Hi, i get a global vr of this phone, the phone come by global ROM of hyperos 1.0.6.0 UNRMIXM but after update to 1.0.12.0 UNRMIXM. I lost my mobile signal, i can't swicht to 5, 4, 3 or 2G band and i can't search mobile carriers in my country.
I ve thinking to rollback to hyperos 1.0.6.0 but my...