Thanx for the post!
I used force shut down and then flash the 254 rom, and did all those things, and the problem occured again.
does the recovery software have to be the touch recovery? I use CWM v6 that enables with volume +.
and i use SuperSU fix.zip rather than superUser.zip and generally i flash rom, supersu fix.zip and wifi fix.zip. i flashed those three, before first booting, do i have to boot first before flashing wifi fix.zip?
I think you need to flash 12.1.A.0.266 instead of 12.0.A.2.254 after flashing ROM. You could also wipe data, cache and dalvik cache, reflash eXistenZ ROM and SuperSU fix (or SuperUser but SuperSU should be ok), shut down the phone with the option in recovery and then flash the 12.1.A.0.266 with FlashTool.
It doesn't matter which recovery you take. Use the one you like best. I'm not quite sure, but to go sure, please flash the wifi fiz.zip after first boot up!
i flashed the 266 kernel before the first boot, and the rom runs correctly,
but ive got some new problems:
1. performance, when i click on performance, it closes unexpectedly and says it has stopped.
2. i used go backup for backing up from data in 4.1, but in this rom i restored my apps,the apps installed correctly but goBackup says the data restoring successfully finished , but the data didnt restored, by the way at the time i backed up from my apps&data, i swapped memories with that linux code that this forum did.