User manual

Table Of Contents

• Before updating, make sure your phone is running an official system version. Otherwise, the

update may fail and your phone may experience unknown 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 some cases, it may take some time for a compatible app version to be released.

• During the update, do not power off 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 update your phone automatically overnight.

• Download and install the update package: Go to New version > DOWNLOAD AND

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 , and enable Auto-download over Wi-Fi and Update

overnight.

Your phone will automatically update and restart between 02:00 – 04:00.

To ensure a successful overnight update, make sure that your phone is powered on, the

screen is locked, there are no alarms set for this period of time, and the battery level

remains higher than 35%. Connect your phone to a charger if necessary.

To disable automatic updates, touch

on the Software update screen, then disable Auto-

download over Wi-Fi.

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