Acer
1) Copy update*****.zip to the SD card, then insert the SD card to mobile phone.
2) Press and hold the "down volume key", then press the "power key" till going into
"recovery mode", Press "down volume key" to select "Recovery mode", Press "up
volume key" to into Recovery Mode.
3) Press "volume_up" and "volume_down" to select item "apply update form sdcard",
Press "power key" to enter sdcard/
SERVICE GUIDE
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Page : 23/77
Language :English
Date : 2014-07-02