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Back up data to USB storage devices
When the phone is low on storage space, you should regularly back up large files or
important data to a USB storage device (e.g., USB flash drive, card reader).
1
Connect the phone to the USB storage device with a USB OTG cable.
2
Go to phone Settings > System & updates > Backup & restore > Data backup >
External storage and select USB storage on the External storage screen.
3
Tap BACK UP, check the data you want to back up, and tap Back up.
4
When backing up for the first time, follow the on-screen instructions to set the
password and password hint. The data will be encrypted when backing up. Please
remember the backup password: After the backup password is set, you do not need to
enter the password for later backups, but you need to enter it for verification to recover
files.
To reset the password, go to the USB storage backup screen, tap
password, and follow on-screen instructions to complete the reset.
The reset password is valid only for subsequent backups, not for previous backups.
Recover backup data from USB storage devices
1
Connect the phone to the USB storage device with a USB OTG cable.
2
Go to phone Settings > System & updates > Backup & restore > Data backup >
External storage and select USB storage on the External storage screen.
3
Select the appropriate backup record entry in the RESTORE FROM BACKUP list and
open it.
4
Select the data you need to recover, tap Restore, follow the prompts to enter the
password, and then recover the data.
Restore Your Phone to Default Settings or Factory Settings
Reset Network Settings
This operation will reset your Wi-Fi , mobile data network, and Bluetooth settings. It will
not change any other settings on your phone or delete any data.
Go to Settings > System & updates > Reset, touch Reset network settings, then follow
the onscreen instructions to reset network settings.
Restore All Settings
This operation will reset all network settings, your lock screen password, and the home
screen layout. If your phone supports fingerprint or facial recognition, the enrolled
fingerprints and facial data will be deleted as well. Other data or files will not be deleted
from your phone. This operation does not restore the settings of Find Device, Users &
accounts, Device administrators, or app settings either.
Go to Settings > System & updates > Reset, touch Reset all settings, and follow the
onscreen instructions to complete the operation.
Settings
> Reset
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