First, the Apple mobile phone is deactivated, usually due to system locking caused by entering incorrect passwords multiple times. It is recommended to restore the system.
Second, specific operation methods:
1. Download and install the latest version of itunes software on your computer, and open itunes after installation.
2. Connect the iPhone to the computer with a USB cable, and then you will hear a sound prompt that the computer has been connected successfully.
3. Now please turn off the iPhone first, and then you will hear a prompt sound indicating that the computer has not been connected successfully.
4. Please press and hold the power button and home button at the same time until the 10th second. Please release the power button immediately and continue to hold the home button.
5. At this time, iTunes will automatically start and prompt you to enter recovery mode (the iPhone will remain black screen). Then you can hold down the shift key on the keyboard, click "Restore", and select the corresponding firmware to restore.