2.
Before the upgrade, the system of your mobile phone automatically checks the battery level
and the upgrade version. If the version you have downloaded does not meet the upgrade
requirements, the upgrade will not work.
3.
When the next message appears, touch Confirm.
4.
Touch Upgrade.
5.
Your mobile phone restarts and the upgrade screen is displayed.
6.
After the upgrade is complete, your mobile phone automatically restarts and will switch on
again.
7.
Touch
About phone > Build number
12.8.2 Online Update
Your mobile phone has pre-installed the online update function. When there is new software
available, the version information appears and prompts you to update. You can also touch
Settings
>
About phone
1.
Back up you personal information. All personal information will be removed after the update.
2.
Make sure that your microSD card has sufficient space to store the new software version.
3.
Perform the online update following the on-screen instructions.
to view the version information.
>
Online update
to check whether the new software is available.
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