Huawei Mate 9 - Manual (Page 190)

Restoring factory settings will erase all personal data from your phone, including account
information, downloaded apps, and system settings. Back up important data on your phone
before restoring factory settings. For more information, see
Backing up data to a microSD
card .
1
Open Settings.
2
Touch Advanced settings > Backup & reset.
3
Touch Factory data reset and choose whether to format your internal storage.
Selecting Erase internal storage will delete all files on your internal storage, such as
music and images. Proceed with caution.
4
Touch Reset phone to restore your phone to its factory settings.
OTA updates
Update your phone's system to the latest version to enhance performance.
Ensure that your phone is connected to the Internet before updating. Connect to a Wi-Fi
network before updating to avoid incurring data charges. In addition, ensure that your phone
has sufficient battery power remaining.
l
Using unauthorized third-party software to update your phone may render your phone
unusable or put your personal information at risk. For optimum results, use the OTA
update feature or take your phone to your nearest Huawei service center.
l
Your personal data may be erased during a system update. Always back up important
data before updating your phone.
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When updating, ensure that your phone has at least 20% battery power remaining.
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After updating, you may find that some third-party apps are incompatible with your
system, such as Internet banking applications and games. This is because it takes a while
for third-party application developers to release updates for new Android releases. Please
wait until a new version of the application is released.
Touch Settings > About phone > Build number to view your phone's version number.
1
Open Settings.
2
Touch Updater. Your phone will automatically check for updates.
3
Select the latest version to download the update package.
4
Once the download is complete, touch Update. The update process may take a while to
complete. Do not use your phone before it has finished updating. Your phone will restart
automatically when it has finished updating.
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System Features and Settings
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