First make a backup. Don't know, if there is something to backup anymore, but it does not hurt.
Then flash this rom or any other Android 4.2.2 k2_ul rom.
Don't forget to flash the boot.img of the rom with fastbbot.
i follow your procedure but phone is still same restart :/
when flash finish via sd card your rom successfully but give me that massage E:unable to internal storge !
phone keep restarting..............
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