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Figure 3-3
5) After upgrade finished, the phone will restart .
B. Forced upgrade (for the phones that cannot be started or the phones
that cannot enter standby state)
1) For a powered-off phone, Press and hold the volume up key and
power key until the phone enters Android recovery. In this mode, the
volume key can be used to select a menu, the power key can be used to
confirm it.
2) Press the Volume down key to select Apply update from SD card,
and press the power key to confirm it. The root directory of the SD card is
opened.
3) Press the Volume down key to select the update.zip file, and press the
power key to confirm it. The phone starts the upgrade process.
4) The phone completes the upgrade process in about 5 minutes. the
screen will be displayed :Install from SD card complete, select reboot
system now and press the power key to confirm it.
4. (Optional) Restoring the Data
If you have backed up data before upgrading your phone, restore the data.
Do not remove the SD card during the restoration process. To avoid data
lost, it is not recommended to cancel the restoration process.
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