Back Up with an External Storage Device
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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).
- Connect the phone to the USB storage device with a USB OTG cable.
- Go to phone and select USB storage on the External storage screen.
- Tap BACK UP, check the data you want to back up, and tap Back up.
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
> Reset password, and follow on-screen instructions to
complete the reset.
The reset password is valid only for subsequent backups, not for previous backups.
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Recover backup data from USB storage devices
Connect the phone to the USB storage device with a USB OTG cable.
Go to phone and select USB storage on the External storage screen.
Select the appropriate backup record entry in the RESTORE FROM BACKUP list and open it.
Select the data you need to recover, tap Restore, follow the prompts to enter the password, and then recover the data.
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Back up data to home NAS devices
When you have a lot of important data, pictures, and large files stored in your phone, you can scan the network to find a NAS (Network Attached Storage, a type of private cloud storage server) storage device in the same network and back up the data into that device in a shared folder.
When the phone finds a NAS storage device on the same network via WLAN scan, tap to access the device and add a shared folder.
Go to phone and select Shared folder on the External storage screen.
Tap BACK UP, check the data you want to back up, and tap Back up.
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 Shared folder backup screen, tap
> Reset password, and follow on-screen instructions to
complete the reset.The reset password is valid only for subsequent backups, not for previous backups.
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Recover backup data from home NAS devices
When the phone finds a NAS storage device on the same network via WLAN scan, tap to access the device and add a shared folder.
Go to phone and select Shared folder on the External storage screen.
Select the appropriate backup record entry in the RESTORE FROM BACKUP list and open it.
Select the data you need to recover, tap Restore, follow the prompts to enter the password, and then recover the data.
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