SD card Install Download SOP
1.
Put OTA image file on SD card
2.
Fast key enter to recovery mode.
Press “Power” and “Volume up” key together(over 3 sec)
release “Power” key, but keep pressing the
“volume up” key, until recovery mode display popup.
3.
Select “ apply update from external storage, then press “power”key
4.
Select the OTA image file, the press “power key” to start
5.
When finish, select “reboot system now” item.
6.
Factory rest, then SD card download image procedure complete.
Summary of Contents for B1-820
Page 1: ...Service Guide 2014 4 25 ...
Page 3: ...Conventions The following conventions are used in this manual ...
Page 12: ...b Product six view and description ...
Page 13: ...c Block Diagram ...
Page 36: ...Step 11 Base on direction to assembly back cover and make sure the well locking with device ...
Page 45: ... Rear CCD Front CCD Battery Main board ...
Page 46: ...Chapter 6 a Exploded Diagram and Description ...
Page 47: ......
Page 48: ...b SPL List ...
