Flashed lollipop onto Xperia z c6606 using the 6616 build 10.6.A.0.454 and it did well. GPS was way off (by about 1/2 a mile) and would get 0/12 satellites in view. Tried to go back to kitkat and nearly bricked it. So reflashed lollipop and now data doesnt work. WIFI is fine, but no...