P40 Pro User Guide-(ELS-NX9,EMUI12.0_01,en)

Restore All Settings
This operation will reset all network settings, your lock screen password, and the home
screen layout. If your phone supports ngerprint or facial recognition, the enrolled
ngerprints and facial data will be deleted as well. Other data or les 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.
Restore Factory Settings
This operation will erase data on your phone, including your accounts, app data and system
settings, installed apps, music, images, all les in the internal storage, security chip contents,
and locally-stored system, app, and personal data related to HUAWEI IDs. Make sure to back
up your data before restoring your phone to its factory settings.
Go to Settings > System & updates > Reset > Reset phone, touch Reset phone, and follow
the onscreen instructions to restore factory settings.
Update Your Phone System Online
When an update is available, your phone will prompt you to download and install the update
package.
• Before updating, make sure that your phone is running an ocial system version.
Otherwise, the update may fail and your phone may experience some issues.
• Back up your user data before the update.
• After an update, third-party apps that aren't compatible with the new system version
may become unavailable. In such cases, it may take some time for a compatible app
version to be released.
• During the update, do not power o or restart your phone, remove the memory card,
or insert a memory card.
1 Go to Settings > System & updates, and touch Software update.
2 When an update is available, you can either manually download and install the update
package, or choose for your phone to be updated automatically overnight.
• Download and install the update package: Go to New version > Download & install.
To avoid data usage, connect your phone to a Wi-Fi network when downloading the
update package.
Your phone will automatically restart once the update is complete.
• Update overnight: Touch or > Settings (this device)(depending on your
device model), and enable Auto-download over Wi-Fi and Update overnight.
Settings
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