These instructions are for those who have a Bootloader with fastboot enabled. (Hard SPL, Engineering SPL, etc.)
Again these instructions are for those who have a bootloader with fastboot enabled.
THIS WILL WORK ON ALL FIRMWARE VERSIONS WITHOUT HAVING TO REFLASH!
As long as you have fastboot enabled in your SPL you can root any of the OTA update without having to reflash your firmware or downgrade.
1) Download JF Recovery V 1.43
2) Extract recovery.img from the data directory
3) Boot phone into bootloader (power off then power+camera buttons)
4) use fastboot to boot into recovery firmware (this will NOT flash just boot)
# fastboot boot recovery.img
5)wait for firmware to boot and hit Alt+x
6)press enter when it tells you
7)type on your phone
# mount system
8)wait for a new prompt #
9)type on your phone
# cd /system/bin
# cat sh > su
# chmod 4755 su
10) Your phone is now rooted