Huawei Honor 3C LTE H30-L02 User Guide - Manual (Page 54)

Backup, restoration, and update
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accounts, your system and application settings, and downloaded
applications. Back up important data on your phone before you restore
factory settings.
1. On the home screen, touch .
2. Under All , touch Backup & reset .
3. Touch Factory data reset > Reset phone > Reset phone . The phone will
restore its factory settings and restart.
Online update
Once in a while, new updates for your phone will be available online. You will
receive a notification when updates are available. Before updating, make sure
your phone has enough storage space for the update package.
•
Using unauthorized third-party software to update your phone may
damage your phone or put your personal information at risk. It is
recommended that you update through your phone's online update
feature or download official update packages from Huawei's official
website.
•
All your data may be erased during a system update. It is
recommended that you back up important data before updating your
phone.
To update your phone manually, go to the home screen, touch > Updates
> System updates > Online update to check for updates, and follow the
onscreen instructions to update your phone online.