How can I downgrade from 4.3 to 4.1.2 tmobile

bcifer · Feb 22, 2014

How can I downgrade from 4.3 to 4.1.2 Galaxy S3 TMobile, I keep on trying but I cant. I keep getting the errors below ...

<ID:0/010> Added!!
<ID:0/010> Removed!!
<ID:0/012> Added!!
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> root66_TMO_T999LUVAMB7.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/012> Odin v.3 engine (ID:12)..
<ID:0/012> File analysis..
<ID:0/012> SetupConnection..
<ID:0/012> Initialzation..
<ID:0/012> Get PIT for mapping..
<ID:0/012> Firmware update start..
<ID:0/012> aboot.mbn
<ID:0/012> NAND Write Start!!
<ID:0/012> FAIL! (Auth)
<OSM> All threads completed. (succeed 0 / failed 1)

thetolsonator · Feb 22, 2014

If you updated via Ota or Odin, you're hosed AFAIK. Unless you used doc's ROM and special kernel setup, that's not possible to go back

Sent from my SGH-T999L using Tapatalk

bcifer · Feb 22, 2014

I used this from Doc's (T999NUVUBMK7_T999NTMBBMK7_T999NUVUBMK7_HOME.tar) ... So there is no way to go back?

thetolsonator said:
If you updated via Ota or Odin, you're hosed AFAIK. Unless you used doc's ROM and special kernel setup, that's not possible to go back

Sent from my SGH-T999L using Tapatalk

serio22 · Feb 22, 2014

You can only downgrade by flashing a 4.1.2 rom with custom recovery.. And your warranty bit will get tripped

Sent from my SGH-M919 using Tapatalk

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How can I downgrade from 4.3 to 4.1.2 tmobile

bcifer

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bcifer

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