If a battery is not charged, your USB socket will not proper work and you will fail in this method. How to Frp Reset HONOR 7A (AUM-AL20) in UMT you can easily solve with this method if you are fresher technician or experienced technician in android software related if the error occurs of USB not recognized then your USB is not working. do it at your own risk as we don't take any responsibility if a device is damaged For backup in other devices, you can use another external device like hard drive, SD card or any other suitable devices. we have to do the backup because after a format of a device, all data will be gone and it will not be recovered.
This backup can be done on another device.
Your data is very important for so it is good to do a backup of data it may consist of contact details, important messages, emails or any other important thing which feel to be the backup in a device. If want to Remove HONOR 7A (AUM-AL20) Frp Unlock in UMT You can try to repair it by your self have to charge a battery with any charger and charged it by 90%.