You sit down to watch a movie you already paid for, open the Apple TV app on your Fire TV Stick, and within seconds the app freezes, goes black, or crashes back to the home screen. If you are dealing with this, you are far from alone. One Apple Community thread on this exact problem has over 450 “me too” votes, and Reddit users on r/fireTV report the same issues on a weekly basis.
The Apple TV app crashing on Fire TV Stick is one of the most frustrating streaming problems because it blocks access to content you have already paid for. Whether you are seeing a black screen after pausing a show, a “Video Not Available” error, the app closing on launch, or being forced to log in every single time, the root cause is usually fixable. Our team has tracked forum discussions across Apple Community, Amazon Forum, and Reddit to identify every confirmed fix that actually works for real users.
This guide covers why the Apple TV app keeps crashing on your Fire TV Stick and walks through every solution in order of difficulty. We start with the quickest fixes and move toward advanced options that no other troubleshooting guide covers, including the play history clearing fix, the SD playback mode workaround, and the deregister Amazon account method. By the end, you will have a complete toolkit to get Apple TV running smoothly on your Firestick again.
One important thing to know upfront: this is a known compatibility issue between Apple’s app and Amazon’s Fire OS platform. Neither Apple nor Amazon has released a permanent patch, which is why the same fixes get rediscovered by users over and over. The good news is that the solutions below are repeatable and most take under five minutes.
Table of Contents
Quick Fix Navigation Table: Find Your Solution Fast
Not every fix applies to every situation. Use the table below to jump straight to the solution that matches your specific problem. We have ranked each fix by difficulty so you can start with the easiest option first.
| Fix | Difficulty | Time | Best For |
|---|---|---|---|
| Restart Fire TV Stick | Easy | 2 min | App freezes or crashes randomly |
| Update Fire OS | Easy | 5 min | App stopped working after being fine for months |
| Update Apple TV App | Easy | 3 min | Crashing on launch, new error messages |
| Clear App Cache | Easy | 2 min | Buffering, freezing, “Video Not Available” |
| Clear App Data | Medium | 5 min | Cache clear did not work, persistent crashes |
| Reinstall Apple TV App | Medium | 10 min | App corrupted, will not open at all |
| Disable HDMI CEC | Easy | 2 min | Black screen after pause/resume |
| Check Internet Speed | Easy | 5 min | Buffering, playback errors, loading stuck |
| Fix Date and Time | Easy | 2 min | Verification failed, sign-in errors |
| Check Device Limit | Medium | 10 min | Content will not play on Firestick but works elsewhere |
| Clear Play History | Medium | 5 min | Crashes when playing specific content |
| SD Playback Mode | Easy | 3 min | 4K content crashes but HD works fine |
| Deregister Amazon Account | Hard | 15 min | Nothing else has worked |
| Factory Reset | Hard | 30 min | Last resort before contacting support |
Why Does the Apple TV App Keep Crashing on Fire TV Stick? (Root Causes)
The Apple TV app crashes on Fire TV Stick for a handful of well-documented reasons. Understanding which root cause applies to your situation will help you pick the right fix instead of trying all of them blindly.
1. Outdated Fire OS firmware. Fire OS is the operating system that runs every app on your Fire TV Stick. When Amazon pushes an update and your device has not installed it, the Apple TV app may be running against an incompatible system layer. Multiple Reddit users have confirmed that simply updating Fire OS immediately fixed Apple TV crashes that had persisted for weeks.
2. Corrupted cache or app data. The Apple TV app stores temporary files on your Firestick to speed up loading. Over time, these cached files can become corrupted. When the app tries to read a broken cache file, it crashes. Clearing the cache removes these damaged files and forces the app to rebuild them fresh.
3. HDMI CEC conflicts. HDMI CEC (Consumer Electronics Control) lets your TV and Firestick communicate so one remote can control both devices. But CEC signals can interfere with how the Apple TV app handles video output. This is the specific cause of the widely reported pause/resume black screen issue, where pressing pause and then play causes the screen to go completely black with no audio.
4. Incorrect date and time settings. The Apple TV app authenticates with Apple’s servers using secure connections that rely on accurate date and time. If your Firestick’s clock is off by even a few minutes, the security certificates may be rejected, causing “Verification Failed” errors or preventing the app from loading content.
5. Router firewall or network restrictions. Some routers block the specific ports Apple’s servers use for streaming authentication. If your router’s firewall is too aggressive, the Apple TV app cannot verify your account, leading to crashes and “Video Not Available” errors even when your internet connection is otherwise working perfectly.
6. Apple TV device limit exceeded. Apple allows a maximum of 6 simultaneous streams per Apple ID. If family members are watching on other devices at the same time, your Firestick stream may be blocked or crash when it cannot secure a streaming slot.
7. Outdated Apple TV app version. Apple updates the TV app regularly to fix bugs and add features. If your app has not updated to the latest version available in the Amazon Appstore, you may be running a build with known crash bugs that have already been patched.
8. Insufficient storage space. Fire TV Sticks have limited internal storage. When the device is nearly full, apps cannot write temporary files and may crash during playback. This is especially common on older Firestick models with less storage.
9. Apple TV+ service outage. Sometimes the problem is not on your end at all. Apple’s servers occasionally experience outages that cause crashes and errors across all devices. Before spending time on fixes, it is worth checking whether Apple TV+ is having a known service disruption.
10. Fire OS update introduced a new bug. Ironically, updating Fire OS can sometimes introduce new bugs before Apple patches the Apple TV app to work with the new version. If your app worked fine before an update and broke immediately after, the update itself may be the cause until Apple releases a compatible app update.
Fix 1: Restart Your Fire TV Stick (Soft Reset)
A simple restart is the most common fix for Apple TV app crashes on Firestick. Restarting clears the device’s temporary memory and reloads all apps from scratch. Reddit users consistently report that this fix works, though some note it may only last a day before the problem returns.
If the issue keeps coming back after a restart, move on to the deeper fixes below. A restart treats the symptom but not the root cause.
Method A: Restart from Settings
Step 1: From the Fire TV home screen, go to Settings (the gear icon at the far right of the top menu).
Step 2: Select My Fire TV (this may appear as “Device” or “System” on older Firesticks).
Step 3: Scroll down and select Restart.
Step 4: Confirm by selecting Restart again when prompted.
Your Firestick will power cycle and return to the home screen within about a minute. Try opening the Apple TV app again.
Method B: Physical Restart (Most Effective)
Unplug the Fire TV Stick’s USB power cable from the wall adapter or TV USB port. Wait at least 30 seconds for all residual charge to drain. Plug it back in and wait for the Firestick to fully boot up. This method is slightly more effective than a software restart because it fully clears the device’s RAM.
Method C: Remote Shortcut
Press and hold the Select button (the circular center button) and the Play/Pause button on your Fire TV remote simultaneously for about 5 seconds. The Firestick will restart automatically.
Fix 2: Update Fire TV System Software (Fire OS)
Outdated Fire OS is one of the most common root causes of Apple TV app crashes. Amazon regularly releases Fire OS updates that fix compatibility issues, and Apple’s app is designed to work with the latest version. One Reddit user reported that updating their Firestick firmware “fixed the problem immediately” after weeks of crashes.
Firesticks usually update automatically, but sometimes an update gets stuck or needs to be triggered manually. Here is how to check and install updates.
Step 1: Go to Settings from the Fire TV home screen.
Step 2: Select My Fire TV.
Step 3: Select About.
Step 4: Scroll down to Check for Updates (or “Install Update” if one is already downloaded).
Step 5: If an update is available, select Install Update and wait for the process to complete. Your Firestick will restart automatically.
If your system says it is up to date, note the Fire OS version number displayed on the About screen. Compare it against Amazon’s latest Fire OS release for your specific Firestick model. Sometimes a staged rollout means the latest version has not reached your device yet.
Important: Some users report that a Fire OS update can temporarily make Apple TV crashes worse before they get better. This happens because the new Fire OS version may have changes that the current Apple TV app build was not designed for. If this happens to you, the fix is usually to also update the Apple TV app itself (see Fix 3) so both pieces of software are on compatible versions.
Fix 3: Update the Apple TV App
Just as Fire OS needs updating, so does the Apple TV app itself. Apple pushes regular updates through the Amazon Appstore to fix bugs, improve stability, and maintain compatibility with new Fire OS versions.
Step 1: Go to the Fire TV home screen and navigate to the Find or Search option.
Step 2: Search for Apple TV.
Step 3: Select the Apple TV app from the search results.
Step 4: If an update is available, you will see an Update button instead of an “Open” button. Select it.
If you only see “Open,” the app is already on the latest version. In that case, move on to the next fix.
You can also enable automatic app updates so you never have to check manually. Go to Settings > Applications > Appstore and turn on Automatic Updates. This will keep all your apps, including Apple TV, on the latest version going forward.
Fix 4: Clear the Apple TV App Cache
Clearing the cache is the second most effective fix after a restart, and it is a common recommendation from Amazon Forum support agents. The cache stores temporary files that help the app load faster, but when these files become corrupted, they cause crashes, buffering, and “Video Not Available” errors.
One thing to understand: clearing the cache is a temporary fix for many users. Several Reddit users report that the problem returns within hours or a day after clearing cache. If that happens to you, move on to Fix 5 (Clear App Data) for a more thorough reset.
Step 1: Go to Settings from the Fire TV home screen.
Step 2: Select Applications.
Step 3: Select Manage Installed Applications.
Step 4: Scroll through the list and select Apple TV.
Step 5: Select Force Stop first to fully close the app.
Step 6: Select Clear Cache and confirm.
Step 7: Relaunch the Apple TV app.
Note the difference between “Clear Cache” and “Clear Data” on this screen. Clear Cache only removes temporary files and will not sign you out. Clear Data resets the app completely, which means you will need to sign back in with your Apple ID. Start with Clear Cache first.
Fix 5: Clear App Data (Reset the Apple TV App)
If clearing the cache did not resolve the crashes, clearing the app data goes a step further. This essentially resets the Apple TV app to its original state, removing all stored settings, sign-in tokens, and corrupted data files.
Warning: Clearing data will sign you out of the Apple TV app. You will need to re-enter your Apple ID and password afterward. Have those credentials ready before you proceed.
Follow the same steps as Fix 4, but in Step 6, select Clear Data instead of Clear Cache. Confirm when prompted. Then relaunch the Apple TV app and sign back in.
This fix works because it removes not just the cache but also any corrupted preference files, authentication tokens, and configuration data that may be causing the app to crash on launch or during playback. Think of it as uninstalling and reinstalling the app without actually removing it from your device.
Apple Community users have confirmed that this fix resolved issues where clearing cache alone was not enough. If your app was crashing on launch every time, this is the fix most likely to resolve it.
Fix 6: Reinstall the Apple TV App
If clearing data did not work, the next step is a full reinstall. This removes the app entirely and downloads a fresh copy from the Amazon Appstore, eliminating any corruption that may have occurred in the app’s installation files.
Step 1: Go to Settings > Applications > Manage Installed Applications.
Step 2: Select Apple TV.
Step 3: Select Uninstall and confirm.
Step 4: Return to the home screen and go to the Find or Search option.
Step 5: Search for Apple TV and select Download or Get to reinstall.
Step 6: Once installed, open the app and sign in with your Apple ID.
One Amazon Forum user reported that a support agent did exactly this during a screen share session and it “cleared it up” completely. The reinstall ensures you get the latest version of the app with all system-level integration files rebuilt from scratch.
Fix 7: Disable HDMI CEC (The Pause/Resume Black Screen Fix)
If your specific problem is that the screen goes black when you pause a video and then resume it, HDMI CEC is almost certainly the cause. This fix was recommended directly by an Apple support advisor to a Reddit user on r/fireTV, and it has one of the highest success rates for this specific symptom.
Why HDMI CEC causes the black screen issue:
HDMI CEC (Consumer Electronics Control) is a feature that lets devices connected via HDMI communicate with each other. It allows your TV remote to control your Firestick, and it lets your Firestick turn your TV on and off. However, CEC also sends standby and wake signals between devices every time playback pauses or resumes.
When you press pause in the Apple TV app, the app briefly releases the video output stream. Your TV’s CEC system interprets this as a potential standby signal and begins to negotiate a power state change. When you press play to resume, the CEC handshake gets confused between the old and new video stream requests. The result is a black screen with no audio, even though the Apple TV app is technically still playing the content in the background.
This is why the Apple TV app works fine on phones, tablets, and Apple TV hardware (which do not use HDMI CEC) but specifically breaks on Firestick during pause/resume. The problem is not in Apple’s app code. It is in the CEC negotiation layer between Fire OS and your television.
How to disable HDMI CEC on Fire TV Stick:
Step 1: Go to Settings from the Fire TV home screen.
Step 2: Select Display & Sounds.
Step 3: Select HDMI CEC Device Control.
Step 4: Turn HDMI CEC OFF.
After disabling CEC, test the Apple TV app by playing a video, pausing it, and resuming. The black screen issue should be resolved. You can also disable CEC from your TV’s settings menu (the option may be called “Anynet+” on Samsung, “Bravia Sync” on Sony, “Simplink” on LG, or “CEC” on Vizio and other brands).
The trade-off is that disabling CEC means you may need to use separate remotes for your TV and Firestick, and your Firestick will no longer be able to turn your TV on and off automatically. Most users find this is a worthwhile trade for reliable Apple TV playback.
Fix 8: Check Your Internet Connection and Speed
The Apple TV app requires a stable internet connection with sufficient bandwidth. If your Wi-Fi signal is weak or your speed is too low, the app may crash or show “Video Not Available” errors during playback.
Apple recommends the following minimum speeds for Apple TV streaming:
- Standard Definition (SD): 1.5 Mbps minimum
- High Definition (HD, 1080p): 8 Mbps minimum
- 4K Ultra HD: 25 Mbps minimum
To check your current speed, use the built-in Fire TV network test or run a speed test app. Go to Settings > Network and press the menu button on your remote to see your connection details and run a diagnostic.
If your speed is below the requirement for the quality you are trying to stream, the app may crash when it cannot buffer content fast enough. Try moving your Firestick closer to your router, switching from 2.4GHz to 5GHz Wi-Fi if available, or using an Ethernet adapter for a wired connection.
Router firewall note: Some routers have firewalls that block ports Apple uses for authentication. If Apple TV works on your phone or tablet on the same Wi-Fi network but crashes on Firestick, check whether your router has a setting for “Apple devices” or streaming services. Disabling the firewall temporarily can confirm whether it is the cause. If disabling it fixes the issue, add an exception for Apple’s servers rather than leaving the firewall off permanently.
Fix 9: Check Date and Time Settings
This is an often-overlooked fix. The Apple TV app authenticates with Apple’s servers using SSL certificates that are time-sensitive. If your Firestick’s date or time is incorrect, even by a few minutes, the security handshake can fail and cause “Verification Failed” errors or prevent the app from loading any content.
Step 1: Go to Settings > Preferences (or “Preferences > Time” on some models).
Step 2: Select Time.
Step 3: Make sure Automatic Time is set to ON.
Step 4: Verify that the correct Time Zone is selected for your location.
If your time zone was wrong or automatic time was disabled, correcting these settings and then restarting the Apple TV app should resolve authentication-related crashes. This fix is particularly relevant if you recently moved, changed time zones, or experienced a power outage that reset your Firestick’s clock.
Fix 10: Check the Apple TV Device Limit (6-Device Cap)
Apple allows a maximum of 6 simultaneous streams per Apple ID across all devices. This limit is rarely mentioned in troubleshooting guides, but it can cause crashes or playback failures on your Firestick if other people in your household are streaming at the same time.
If your Apple TV content plays fine late at night when no one else is watching but crashes during the evening when family members are also streaming, the device limit may be the cause. The Firestick’s stream gets denied a slot and the app may crash or return an error rather than showing a clear “too many devices” message.
How to check and manage your devices:
Step 1: On a phone, tablet, or computer, go to appleid.apple.com and sign in.
Step 2: Navigate to Devices in your Apple ID account page.
Step 3: Review the list of devices associated with your Apple ID.
Step 4: Remove any old or unused devices that no longer need access.
For Apple TV+ specifically, you can also manage streaming limits by signing out of devices you no longer use. If your household regularly exceeds 6 simultaneous streams, you may need to coordinate viewing schedules or consider that the Firestick stream may be the one that gets dropped first since it is often the most recently connected device.
Advanced Fixes Most Guides Miss
The following fixes have been reported by real users in Apple Community forums and Reddit threads but are not covered by any major troubleshooting blog. Our team tracked these down because they solve problems that the standard fixes above do not address.
Clear Your Apple TV Play History
This fix was reported by an Apple Community user who had exhausted every standard solution. The idea is that corrupted entries in your viewing history can cause the app to crash when it tries to load “Up Next” recommendations or resume partially watched content.
Step 1: Open the Apple TV app on your Firestick (or on another device where the app is working).
Step 2: Go to Settings within the Apple TV app.
Step 3: Look for Play History or Clear Play History.
Step 4: Confirm the action to clear all viewing history.
After clearing your play history, the “Up Next” queue will be empty and the app will need to rebuild your recommendations from scratch. This removes any corrupted history entries that may have been triggering crashes when the app loaded your personalized content.
Note that this fix is most effective for crashes that happen when the app first loads or when you browse content, rather than crashes that happen mid-playback.
Switch to SD Playback Mode
This is a 2025 forum discovery that zero competitor guides cover. Some Fire TV Stick models, particularly older ones or those connected to TVs with specific HDMI handshake quirks, struggle to maintain stable 4K or HD streams through the Apple TV app. The app crashes when it cannot sustain the higher bandwidth and resolution negotiation.
The workaround is to force the Apple TV app to stream in Standard Definition only. While this reduces video quality, it eliminates the crashes and lets you actually watch your content.
Step 1: Open the Apple TV app on your Firestick.
Step 2: Go to Settings within the app.
Step 3: Look for Playback or Video Quality settings.
Step 4: Change the playback quality from Auto or HD to SD or Standard Definition.
One Reddit user on r/fireTV reported that this setting “finally resolved the issue” after months of crashes on a Fire TV Stick 4K connected to a 4K TV. The root cause appears to be an HDCP (copy protection) negotiation issue between the Firestick and certain TV models that only manifests during HD and 4K playback.
If this fix works for you, it confirms the problem is HDCP or bandwidth-related. You can experiment with re-enabling HD later, but SD mode provides a reliable fallback.
Deregister and Re-register Your Amazon Account
This is the most aggressive software fix before a factory reset. It involves deregistering your Amazon account from the Firestick and then registering it again. This refreshes the entire account-level authentication layer that the Apple TV app relies on for Appstore access and content licensing.
Step 1: Go to Settings on your Fire TV.
Step 2: Select My Account (or “Your Account”).
Step 3: Select Deregister and confirm.
Step 4: Your Firestick will reset to the registration screen. Enter your Amazon account credentials to re-register.
Step 5: After re-registering, download the Apple TV app again and sign in.
Warning: Deregistering your account will remove all downloaded apps, purchased content stored locally, and saved Wi-Fi passwords. It is essentially a factory reset for your Amazon account without wiping the entire system. Only try this if nothing else has worked.
This fix addresses deep-level account authentication issues that can cause the Apple TV app to fail license verification. Forum users who were passed between Apple and Amazon support reported that this method eventually resolved their persistent crashes when no other fix did.
Still Not Working? Factory Reset and Support Options
If none of the fixes above have resolved your Apple TV crashing issue, you have two remaining options: a factory reset or contacting support directly.
Factory Reset (Last Resort):
A factory reset wipes your Fire TV Stick completely and restores it to the state it was in when you first unboxed it. This removes all apps, settings, account information, and saved data. Go to Settings > My Fire TV > Reset to Factory Defaults and confirm.
After the reset, you will need to set up your Firestick from scratch, reinstall the Apple TV app, and sign in. This fix works because it eliminates every possible source of corruption or conflict on the device. If Apple TV still crashes after a factory reset, the issue is likely a compatibility bug between your specific Firestick model and the current Apple TV app version.
Check for Apple TV+ Service Outages:
Before contacting support, check whether Apple TV+ is experiencing a service outage. Visit apple.com/support/systemstatus to see the current status of all Apple services. If Apple TV+ shows an outage, the crashes are caused by server-side issues and will resolve on their own once Apple fixes the problem.
You can also check downdetector.com/status/appletv to see if other users are reporting similar issues. If there is a spike in reports, the problem is widespread and likely not specific to your device.
Contact Support:
If you have tried everything and the app still crashes, contact both Apple Support and Amazon Support. Be prepared for the possibility of being passed between the two companies, as both tend to blame the other for compatibility issues. Reddit users report this is a common frustration.
When you contact support, have the following information ready: your Fire TV Stick model and generation, your Fire OS version number, the Apple TV app version number, and a description of exactly when the crash occurs (on launch, during playback, after pausing, etc.). This helps the support agent diagnose the issue faster.
How to Prevent Apple TV App Crashes in the Future
Once you have fixed the issue, a few habits can help prevent it from coming back. These recommendations come from patterns we identified across hundreds of forum reports.
Enable automatic updates for both Fire OS and apps. Most crashes are caused by outdated software. Go to Settings > Applications > Appstore and turn on Automatic Updates. Also ensure Fire OS auto-updates are enabled in Settings > My Fire TV > About > Check for Updates.
Restart your Firestick weekly. Even if you do not experience crashes, a weekly restart clears accumulated memory and prevents the gradual slowdown that leads to app instability. Set a reminder or make it part of your routine.
Keep at least 1 GB of free storage. Firesticks with full storage are more prone to app crashes. Go to Settings > My Fire TV > About > Storage to check available space. Uninstall apps you no longer use and clear cache periodically to keep storage healthy.
Keep HDMI CEC disabled if you experienced the pause/resume issue. If disabling CEC fixed your black screen problem, leave it off. Re-enabling it will likely bring the issue back.
Do not clear cache unless necessary. Some users develop a habit of clearing cache daily as a workaround, which masks the real problem. If you find yourself clearing cache frequently, it means the underlying issue has not been resolved. Go back through the fixes and look for the root cause.
Monitor your device count. If your household has many Apple devices, keep an eye on the 6-stream limit. Too many simultaneous streams can cause the Firestick to be denied playback, which sometimes manifests as a crash rather than a clear error message.
FAQs
Why is my Apple TV app not working on Firestick?
The Apple TV app stops working on Firestick due to outdated Fire OS firmware, corrupted cache data, HDMI CEC conflicts, incorrect date and time settings, router firewall restrictions, or exceeding Apple’s 6-device streaming limit. The most common fixes are restarting the Firestick, updating Fire OS, clearing the Apple TV app cache, and disabling HDMI CEC.
Why does the Apple TV app keep crashing?
The Apple TV app keeps crashing because of corrupted cache files, an outdated app or Fire OS version, HDMI CEC interference with video output, insufficient storage space, or network authentication failures. Clearing the cache, updating both Fire OS and the Apple TV app, and disabling HDMI CEC resolve the majority of persistent crashes.
Why do my apps keep crashing on Firestick?
Apps crash on Firestick when the device runs low on storage, has outdated Fire OS firmware, or accumulates corrupted cache data over time. Fire TV Sticks have limited memory, so running too many apps simultaneously or leaving the device running for days without a restart causes instability. Regular restarts, cache clearing, and software updates prevent most crashes.
Why do I have to log in to Apple TV every time on Firestick?
You have to log in repeatedly because the Apple TV app’s authentication token is being cleared. This happens when you clear app data, when Fire OS clears background processes to save memory, or when the date and time settings are incorrect and the authentication certificate fails. Fixing the date and time settings to automatic and avoiding unnecessary cache or data clears usually resolves this.
How do I fix Apple TV crashing on Fire TV Stick?
Fix Apple TV crashing on Fire TV Stick by following these steps in order: 1) Restart the Firestick, 2) Update Fire OS, 3) Update the Apple TV app, 4) Clear the app cache, 5) Clear app data, 6) Reinstall the Apple TV app, 7) Disable HDMI CEC, 8) Check your internet speed, 9) Verify date and time settings, and 10) Clear your play history or switch to SD playback mode.
How do I clear Apple TV cache on Firestick?
To clear the Apple TV cache on Firestick, go to Settings u0026gt; Applications u0026gt; Manage Installed Applications, select Apple TV, choose Force Stop to close the app, then select Clear Cache and confirm. This removes temporary files without signing you out. For a deeper reset, select Clear Data instead, but note that this will require you to sign back in with your Apple ID.
Conclusion
The Apple TV app keeps crashing on your Fire TV Stick because of a combination of outdated firmware, corrupted cache, HDMI CEC conflicts, or authentication issues. The fixes in this guide, drawn from hundreds of verified forum reports, cover everything from a simple restart to advanced solutions like clearing play history, switching to SD playback mode, and deregistering your Amazon account.
Start with the quick fixes (restart, update, clear cache) and work your way down the list. Most users find their solution within the first three or four steps. If you are dealing with the specific pause/resume black screen issue, go straight to Fix 7 and disable HDMI CEC. And if nothing works, check for Apple TV+ service outages before contacting support, since the problem may be on Apple’s end rather than your Firestick.