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? About GB ROMS

Discussion in 'Android Devices' started by rexdog1888, May 21, 2011.

  1. rexdog1888

    rexdog1888 Android Enthusiast
    Thread Starter

    If i deciede not to use a GB ROM after flashing it and the new radio will a nandroid backup restore the old radio or do i just need to flash the old radio from hboot?
     



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  2. WormDoes

    WormDoes Android Expert

    Flashing a froyo backup WILL NOT change the GB radio to froyo. You will have to do the same thing you did to get the GB radio. So, flash the froyo radio in HBOOT, adb reboot recovery, restore your froyo back up. If you're not comfortable with adb (you should be at this point) flash radio in HBOOT, but instead of rebooting, pull battery, then hold vol down and power to boot into recovery and flash your backup. Repeat process for froyo to GB
     
    rexdog1888 likes this.
  3. ska.t73

    ska.t73 Android Expert

    Also, and I can't stress this enough, after flashing any radio is hboot always remove the file from the root of your sd card. This is the first thing I do after I flash anything in hboot. It will come in handy if you ever find yourself in a bootloop where you have to battery pull and boot into recovery.
     
  4. scotty85

    scotty85 Extreme Android User

    i think you mean flash the backup in recovery,then pull the battery and power on/vol - into hboot,then flash the radio(this is how we did it from from froyo to GB).

    if you flash the radio in hboot,pull the batter,and power on/vol -,youll just enter hboot again,and i do not think there is an option to go to recovery if you choose no to update,only to reboot the phone.

    seems ska.t73 and i determined this in another thread. youll have to get the PG05IMG file off the sd card before you can get to reccovery via hboot without updating.


    if i remember correctly,you could:
    -move PG05IMG file to sd card
    -power off
    -go to hboot and flash radio(power on/vol -)
    -yes to update
    -chose no to reboot after update then i think it will let you go to recovery
    -restore froyo backup

    i dont need to flash anything in hboot right now,but i may go back to cm7 tonight or tomorow. if i do,i will double check and see if that works since ill need to flash back the stock radio :)

    at any rate,i do not believe it will be a big deal to flash the radio first,instead of second,as recomended in the original GB RUU thread. i saw a couple of instances in the ruu thread where people restored a backup and booted it with the GB radio. only thing that happened was the phone didnt work :eek: but going back and flashing the froyo radio after the fact fixed things with no apparent prollems.
     
    WormDoes likes this.
  5. scotty85

    scotty85 Extreme Android User

    one other option would be to just flash the mr1 RUU in hboot. as per this thread: Reverting from Gingerbread leak to Froyo - xda-developers

    that should put the old radio back,and take you to the 1.13.607.7 firmware. you could set it up and run it,or go to recovery and restore a backup after it flashes.

    personally,i think i just flash your choice of radios,then restore a backup or flash a froyo rom.

    installing full RUUs in hboot takes awhile and is a lil scary ;)
     

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