How can I downgrade from 4.3 to 4.1.2 tmobile
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 ...
<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> Get PIT for mapping..
<ID:0/012> Firmware update start..
<ID:0/012> NAND Write Start!!
<ID:0/012> FAIL! (Auth)
<OSM> All threads completed. (succeed 0 / failed 1)