Monday, September 7, 2009

root your mytouch3g (tmobile usa htc magic)

****Note: I did not make this guide, use at your own risk and ALL credit goes to the devs!





Thumbs up [How-To] Root and un-root the T-Mobile myTouch 3G

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!!!

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
- 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
Code:
fastboot boot recovery-RAv1.2.0H.img
- Apply the update.zip located on your SD-card

For Daredevils : Perform the following steps only if you want to revert to a 32B based radio and ROM.
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
- 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
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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