Huawei Mate 9 - Manual (Page 89)

Encrypting a microSD card
Encrypt your microSD card to prevent unauthorized access to your data. You will be prompted to
enter a password when the microSD card is inserted into another phone.
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Not all microSD cards can be encrypted. An error message may be displayed when you
attempt to encrypt or unlock unsupported cards. Remember to back up important data
before encrypting your microSD card.
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Encrypted microSD cards will not be recognized by devices that do not support microSD
card encryption.
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If you forget the microSD card password, you will have to clear all the data on the card.
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Open Settings.
2
Touch Advanced settings > Security. Select Set SD card password and follow the
onscreen instructions to set a password.
Once you have set your password, the following two options will appear in place of Set SD card
password:
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Touch Change SD card password to change the password.
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Touch Clear SD card password to remove the microSD card password and disable
encryption.
Backing up and restoring data
Backing up data to a microSD card
Back up data on your old phone to a microSD card, and then insert the microSD card into your
new phone to import your data.
Security and Backup
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