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Manual Firmware Update on T-Mobile G1 Discovered

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While most of the T-Mobile G1 users have got notified on the new Android firmware update (version RC29) on their G1, some users have not receive the OTA update notification and choose to upgrade the firmware manually through a method discovered on xda-developers forum.

Firmware Update on T-Mobile G1
Note that it is not entirely guarantee that your T-Mobile G1 will be safe from the manual firmware update, some users have also reported failed update until they change to a new microSD card from the stock 1GB microSD card.

What you need to do is first download the file here, rename the file to “” and put it to the root of your microSD card. Turn off your T-Mobile G1 and hold the home key when you turn it back on. Till you see a triangle with an exclamation mark on the screen, open your G1 keyboard and press ALT+L to get a menu. You can now press ALT+S to start the firmware update. When it says upgrade complete you can follow the instruction to restart your phone.

Make sure you go through the thread here before you do the upgrade.


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