Before you begin, make a note of all your Wi-Fi passwords, as you will need to re-enter them later. Once you're finished, follow these steps to reset your iPhone 8's network settings:
- Open the Settings app by tapping.
- Select General.
- Scroll down to Reset and tap it.
- Select the Reset Network Settings option.
- To proceed, enter your device's passcode if prompted.
- Wait for your iPhone to reset its network settings and then restart on its own.
Set up your Wi-Fi networks, activate Bluetooth, and then scan for and restart Bluetooth pairing.