How to backup and restore the baseband of dual-card mobile phone?

Baseband This is the hardware and system layer of the mobile phone.

This need not be backed up, if the landlord wants to back up the system.

You can connect your mobile phone to your computer and download a pc version of AppBao software.

Open the software, then turn on the mobile phone USB for debugging, and then use the brush wizard in its toolbox to back up the system after connection.

Or you can use its one-click root to get the permission of the mobile phone first, and then get the permission.

Download titanium backup software and use this software to back up the mobile phone system.

You can use it to back up other data.