(10-10-2017, 06:08 AM)Abhinav343 I just did the factory reset but still signal didn't came
Sent from my LS-4008 using Hovatek Forum
the way i see it, you are going to have to look for another device but same model as yours
then backup NV items using either TWRP or some sort of tool maybe miracle box or cm2spd then restore the backup onto your device