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1. On the Settings screen, touch SD card & phone storage >
Software Upgrade > SD card Upgrade.
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 to view the version
information.
Managing Your Mobile Phone
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