Bluetooth connection (to non-apple devices) keeps droppin!

“Bluetooth connection (to non-apple devices) keeps droppin!: this issue is driving me crazy. i have 3 different iPhones (12, 13, 14pro) all have the same issue: i have bunch of tracker and health devices, smartwatches like amazfit,mibro, xiaomi .i have to stick my iphone to them to have them connected! they just instantly disconnect! i have an old ipad air 2 , that has not such problem .[…]“

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Troubleshooting iPhone Bluetooth:

A. Visit these Links:

• Set Up and Use Bluetooth Accessories on iPhone - Apple Support

• Pair a Third-Party Bluetooth Qccessory with your iPhone, iPad, or iPod touch - Apple Support

• If you can't Connect a Bluetooth Accessory to your iPhone, iPad, or iPod touch - Apple Support

B. Reset All Network Settings to Default:

Example of items that will be reset: (Wi-Fi Passwords, VPN Connections, etc). IMPORTANT: Take a screenshot of your login credentials. That way, you can have something to gather them from when reading them back.

1. Go To: Settings
2. Tap: General
3. Tap: Reset
4. Tap: Reset Network Settings.
5. Enter: [Your Passcode]

C. Clear the Caches:

Clear the storage named "System Data" (formerly called "Other"). It basically contains unnecessary files such as caches that are used for system ease of use - all of which gather over time. Use my User Tip: How to Clear "System Data" in your iPhone’s Storage - User Tip - Apple Community