If your POCO X7 Pro is having trouble connecting to your wireless earbuds, car, or speaker, it can be incredibly frustrating. Bluetooth issues on HyperOS 2 are usually software glitches that you can fix yourself. I'd start with the quick toggles and restarts, as they solve the majority of these problems.
Toggle Bluetooth and Restart Your Phone
First, pull down the notification shade and tap the Bluetooth icon to turn it off. Wait about ten seconds, then tap it again to turn it back on. This simple refresh can clear up a temporary connection error.
If that doesn't work, give your POCO X7 Pro a full restart. Press and hold the power button, then tap restart. For a more thorough reset, use the force restart method: press and hold the power button for 15 seconds or more until you feel it vibrate and the POCO logo appears.
Check Your Device and Forget Old Connections
Make sure the device you're trying to connect to is in pairing mode and has enough battery. Also, check that your phone's Bluetooth is actually discoverable. Go to Settings > Bluetooth & device connection and ensure "Available devices" is showing.
Sometimes, old or corrupted pairing data causes conflicts. It's a good idea to clean your Bluetooth list. Go to Settings > Bluetooth & device connection, tap the device name you're having issues with, and select "Forget". Try pairing it again from scratch.
Clear the Bluetooth System Cache
Corrupted temporary files can break Bluetooth functionality. Clearing the cache for the Bluetooth system app is a safe, effective fix that doesn't delete your paired devices.
Open Settings > Apps > Manage apps. Tap the search icon and type "Bluetooth". Select the "Bluetooth" app (it's a system app). Tap on "Storage usage" at the bottom, then hit "Clear cache". Restart your phone and test the connection again.
Reset Your Network Settings
This is a more comprehensive step that resets all wireless radios, including Wi-Fi and mobile networks, back to their default state. It will forget all your saved Wi-Fi networks and Bluetooth pairings, so be prepared to re-enter those passwords.
To do this, navigate to Settings > Additional settings > Backup & reset > Reset phone. Here, tap on "Reset network settings" and confirm. Your phone will reboot, and you can attempt to pair your Bluetooth device fresh.
Check for a Software Update
Xiaomi frequently releases updates for HyperOS that include bug fixes for connectivity issues. An outdated system could be the root of your Bluetooth troubles.
Go to Settings > About phone > HyperOS version. Tap on the "Check for updates" button. If an update is available, install it. It's also wise to check if your Bluetooth accessory has a firmware update available through its own companion app.
Boot Into Safe Mode
If a recently installed third-party app is interfering with Bluetooth, Safe Mode will help you find it. This mode disables all apps you downloaded from the Play Store.
Press and hold the power button until the power menu appears. Then, tap and hold the "Power off" option on your screen. You'll get a prompt to reboot to Safe Mode. Tap "OK". Once booted, try your Bluetooth. If it works perfectly in Safe Mode, a third-party app is the culprit. Restart normally and try uninstalling recent apps one by one.
Address Specific Connection Problems
For car Bluetooth issues, the most reliable method is to delete the pairing from both sides. Remove your POCO X7 Pro from your car's infotainment system, and forget the car from your phone's Bluetooth list. Then, initiate the pairing process from your car's menu, not your phone.
If Bluetooth simply won't turn on at all, the combination of a force restart followed by clearing the Bluetooth cache (as described earlier) usually resolves it. The large 6000mAh battery in the X7 Pro means you'll rarely be low on power, but if you are, plug it into a 90W HyperCharge adapter for a quick boost before troubleshooting.
Consider a Factory Reset
If you've tried every step here and Bluetooth is still broken, a factory reset is the last software solution. This will erase all data on your phone, so you must back up everything important first.
You can find the option at Settings > Additional settings > Backup & reset > Erase all data (factory reset). After the reset is complete, set up your phone as new and test Bluetooth immediately before restoring your apps, to see if the issue is truly gone.