Learning how to update(aka. flash) the radio and spl is very essential to any Android users who wishes to use ROMs - different builds for the Android system that improves functionality and UI. Although most Android devices don't need a radio update, there are some that still require this process. Flashing the radio is the same process as flashing a rom. Download your radio file in this directory and make sure you know the risks for your individual phone when doing this task, as it could brick the phone.
This How-To is for the g1 and myTouch 3g.
Known ways to brick your device
- Check to make sure you have a PVT board(press camera+power key). It should say PVT at the top or DVT. IF YOU HAVE DVT THEN STOP HERE NOW. DO NOT UPGRADE YOUR SPL.
- Do not try to flash the older radio back after you flash the SPL or you WILL BRICK YOUR PHONE
-Incorrectly flashing Radio and SPL are the primary ways of bricking your devices. Do it at your own risk. Make sure you follow step by step.