No Service solution in China Android phone 100% tested
Here Im Posting Some Stuff I think Many Pepole Don't Know This Solution And This Solution May Help Our Fourm Member. Android China Phone No Service Solution like Micromax, Lava, Iball, Lenova etc. So Many Time After Write Wrong Firmware We Lost Network because NV file Corrupted. So U No Need Any Box Just Using SPTOOl Your Problem Will B Solved.
Open SPTOOL select specified Fimware Any Which You Want Write NV file
In Our Case Lenovo S8501.Press ALT+CTRL+V For Go Advance Mode.
2.Open Scatter file And Search nv File address.
3.Copy NV Address And Past On SPTOOL Nv Address And Write. (see below image)
Download Lenovo S850 NV file here
Read NV file Procedure
If use latest sptool then only need beging address and select nv file don't use this nv address otherwise you phone will be dead because this nv address is only for lenova s850 all phone have diffrent nv address. (see below image)
Tutorial by : Naushad Ali