After a lot of trial and error we finally did it! Many thanks to Jrbourque for being a tester with balls (he could have bricked his phone) and Haykuro for all the tips and tricks . Please give them credit where credit is due
Proceed on your own risk, you might brick your phone!!!
This method is written for the original MT3G back in 2009, DONT USE IT on the Fender/MT3G 1.2!!!
CREATE and PREPARE your GOLDCARD
Please start a new thread in the general section if you have issues creating a goldcard, this how-to assumes that you have a working Goldcard.
- Create a Goldcard according to this tutorial (Sandisk SD-cards might not work, I used a Kingston 2GB SD and it worked fine).
- Copy sappimg.zip to your goldcard.
PREPARE your spare SD
- Format a spare SD FAT32 (not your Goldcard! )
- Download the 1.33.2005 hboot, rename it to update.zip and copy it to the root of your spare SD.
FLASH your T-Mobile myTouch 3G
Make sure are using fastboot from the latest SDK (release 3) !
- Power-off your device
- Insert the goldcard
- Power on while holding volume down (of fastboot your device and then press volume down)
- It should pick up the sappimg.zip and you should be able to flash it.
- Once the flashing is FULLY finished power off your device.
- Remove the goldcard and insert the SD (with update.zip)
- Power on while holding back (=fastboot) and connect the USB cable
- Download my RAv1.2.0H recovery and fastboot it :
- Once the recovery is booted wait a while
- Apply the update.zip (you are now flashing the 1.33.2005 SPL)
- Once the SPL is flashed you have to power off your device and boot it again in fastboot mode.
- The SPL should now read 1.33.2005.
- Power off your device and pull out the SD-card
- erase the update.zip on your SD-card (via cardreader)
- Download my RAv1.1.0H 32A based ROM and rename it to update.zip and copy it to the root of your SD-card (via cardreader)
- Insert the SD into your device.
- Power on while holding back (=fastboot) and connect the USB cable
- Apply the update.zip located on your SD-card
Revert to 32B Radio and ROM :
- Download your favorite 32B ROM and copy it to your sdcard
- Download the Ion radio image from the HTC site.
- Extract radio.img from ota-radio-2_22_19_26I.zip using your favorite rar/zip program.
- Download my 32B RAv1.2.0G recovery.
- Fastboot your mobile and connect it via USB :
- press MENU to power off! (do not reboot)
- hold HOME and POWER to boot into recovery mode
- apply update
Original T-Mobile MyTouch 3G Splash Image (Thanks Haykuro)
Download it here
Un-Root your T-mobile MyTouch 3G (and receive back those OTA updates)
- Download this nbh and rename it to sappimg.nbh (MD5 33D958062CC02BB2CEC157F68621D2FF)
- Copy sappimg.nbh to your goldcard (a normal SD might also work if you are using an engineerings SPL, give it a try and let us know ).
- Power-off your device
- Insert the goldcard (or SD)
- Power on while holding volume down (of fastboot your device and then press volume down)
- It should pick up the sappimg.zip and you should be able to flash it.
- Once the flashing is FULLY finished reboot your phone.
Proceed on your own risk, you might brick your phone!!!
This method is written for the original MT3G back in 2009, DONT USE IT on the Fender/MT3G 1.2!!!
CREATE and PREPARE your GOLDCARD
Please start a new thread in the general section if you have issues creating a goldcard, this how-to assumes that you have a working Goldcard.
- Create a Goldcard according to this tutorial (Sandisk SD-cards might not work, I used a Kingston 2GB SD and it worked fine).
- Copy sappimg.zip to your goldcard.
PREPARE your spare SD
- Format a spare SD FAT32 (not your Goldcard! )
- Download the 1.33.2005 hboot, rename it to update.zip and copy it to the root of your spare SD.
FLASH your T-Mobile myTouch 3G
Make sure are using fastboot from the latest SDK (release 3) !
- Power-off your device
- Insert the goldcard
- Power on while holding volume down (of fastboot your device and then press volume down)
- It should pick up the sappimg.zip and you should be able to flash it.
- Once the flashing is FULLY finished power off your device.
- Remove the goldcard and insert the SD (with update.zip)
- Power on while holding back (=fastboot) and connect the USB cable
- Download my RAv1.2.0H recovery and fastboot it :
Code:
fastboot boot recovery-RAv1.2.0H.img
- Apply the update.zip (you are now flashing the 1.33.2005 SPL)
- Once the SPL is flashed you have to power off your device and boot it again in fastboot mode.
- The SPL should now read 1.33.2005.
- Power off your device and pull out the SD-card
- erase the update.zip on your SD-card (via cardreader)
- Download my RAv1.1.0H 32A based ROM and rename it to update.zip and copy it to the root of your SD-card (via cardreader)
- Insert the SD into your device.
- Power on while holding back (=fastboot) and connect the USB cable
Code:
fastboot boot recovery-RAv1.2.0H.img
Revert to 32B Radio and ROM :
- Download your favorite 32B ROM and copy it to your sdcard
- Download the Ion radio image from the HTC site.
- Extract radio.img from ota-radio-2_22_19_26I.zip using your favorite rar/zip program.
- Download my 32B RAv1.2.0G recovery.
- Fastboot your mobile and connect it via USB :
Code:
fastboot flash radio radio.img
fastboot erase system -w
fastboot erase boot
fastboot erase recovery
fastboot flash recovery recovery-RAv1.2.0G.img
- hold HOME and POWER to boot into recovery mode
- apply update
Original T-Mobile MyTouch 3G Splash Image (Thanks Haykuro)
Download it here
Code:
fastboot flash splash1 splash.nb
Un-Root your T-mobile MyTouch 3G (and receive back those OTA updates)
- Download this nbh and rename it to sappimg.nbh (MD5 33D958062CC02BB2CEC157F68621D2FF)
- Copy sappimg.nbh to your goldcard (a normal SD might also work if you are using an engineerings SPL, give it a try and let us know ).
- Power-off your device
- Insert the goldcard (or SD)
- Power on while holding volume down (of fastboot your device and then press volume down)
- It should pick up the sappimg.zip and you should be able to flash it.
- Once the flashing is FULLY finished reboot your phone.
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