Back To T-Mobile G1 RC29 Firmware
Not everybody wants the latest updates for their phones, and users of T-Mobile’s G1 generally prefer the RC29 firmware, mainly for its root access. Thanks to the folks over at xda-developers, G1 users who have accidentally updated to the RC30 firmware will be able download the RC29 firmware which has been uploaded and re-flash the phone back to your beloved RC29 firmware.