Service Manual

HTC confidential

III. Select file system and format the SD

card to FAT32 mode.

IV. Copy the image file XXX.nbh to Mini

SD card and rename to

TRINIMG.NBH.

SD Upgrade - 1

V. Turn the device power off and insert

Diagnostic SD card.

VI. Press and hold

Power +Capture

button, and

Reset button to entry

Boot loader mode.

VII. Press power key to start upgrade

procedure.

[Note]: This process will takes 5 mins, please

don’t power off the device.

SD Upgrade - 2

VIII. Take out the SD card.

IX. Cold boot the device.

Now the upgrade is done!

Note: Due to security issue, it is not allowed to re-flash different customer ID.