Originally Posted by tallman43
Their are other methods but they require root...You could try flashing a stock rom with odin but that's if your friend will let you plus i'm not 100% sure it would work (Because your problem is caused by a efs issue) I had same problem as you last year and fixed it with Adb but that also requires root...
Okay I finally rooted the device. Do you recommend flashing a stock rom ?
What adb procedure did you follow ?
I modified the factorymode file but that didn't do the trick.
Unlocked | S-OFF
Rom : Elegancia [Kit Kat 4.4]
Phone history :
Nokia 5200 -> Nokia 5610 -> Nokia N95 -> HTC Desire -> Sony Xperia Play -> HTC HD7 -> HTC One X -> HTC One -> Samsung Galaxy S5 + Gear Fit (stock for now)