During iPhone usage, users often encounter issues like iTunes connection problems, Apple Watch glitches, and call interruptions...

Here are some rescue tips for iPhone when facing these issues:
1. Unable to connect to iTunes:

Troubleshooting:
Install the latest iTunes version from Apple (For Windows, it requires Windows 7, and for Mac, it requires OS X 10.8.5).
If the issue persists, you might try restoring the device to its factory settings (Note: Remember to back up your data before performing a factory reset).
2. Unable to Connect to Apple Watch:

Troubleshooting:
Keep iPhone and Apple Watch close > Turn off Airplane mode > Enable Wifi, Bluetooth, then try reconnecting.
Update iPhone to the latest iOS version.
Check if your Apple Watch is currently connected to another iPhone; if so, disconnect and try again. To disconnect, go to the Watch app > 'My Watch' > 'Apple Watch' > 'Unpair Apple Watch' > then proceed to reconnect.
3. Audio Glitch (Distorted or Unclear Sound) with Bluetooth Headphones:

How to Resolve: Update your device to the latest iOS version to fix the issue.
4. Call Dropping:

How to Troubleshoot:
Connect iPhone to the Internet in 'Settings' > 'General' > 'About'. The device will notify you if there are updates for network settings.
Turn on Airplane mode for about 5s and then turn it off. Also, enable 'Do Not Disturb' mode in 'Settings' > 'Do Not Disturb'.
Power off the phone > Remove and reinsert the SIM card.
Backup and restore to factory settings.
5. Rapid Battery Drain:

How to Resolve:
Update your device to the latest iOS version.
Go to 'Settings' > 'Battery' > 'Battery Usage' > check which apps are consuming the most battery > if any, set them to not run in the background or uninstall unnecessary apps.
Bật Chế độ nguồn điện thấp trong "Cài đặt" > "Pin".
Nếu không cần tới định vị GPS và Bluetooth, bạn có thể tắt chúng đi trong phần "Cài đặt" > "Quyền riêng tư".
Sao lưu và khôi phục cài đặt gốc cho máy.
6. Device Frequently Overheating:

How to Resolve:
You can find troubleshooting steps in the article 'Guide to Fixing iPhone Overheating Issues.'
Here, I've provided you with some tips for rescuing your iPhone. Hope it proves helpful for you.
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