My client's itel itei it1353 is stuck on bootloop after trying to renove pattern lock by flashing with the stock rom i downloaded from this site. when i tried to flash, it shows an error "_BKF_NV failed : Operation failed". when i unmark NV and flash the other files, the flashing process completes but the phone doesnt pass the itel inote logo. Please help ASAP, its my client's phone. hez really on top of my head right now. i have flashed with all the versions of research download tool and SPD Upgrade tool, same error.