I bought a beautiful android phone and I was rocking it very well, every thing was working perfectly until one unfaithful day I was trying to root my phone n I downloaded root master n launch d apps after that my phone restart from that unfaithful day I just had I major problem, (NETWORK) each time I switched to 3g my network tripped off and on but work fine on 2g it only 3g am having problem, I first thought maybe it network issues until the problem continues, I factory reset the phone still not working in short am tired I feel like destroying the phone. pls if anyone gat any help pls help me.

If SU is is installed in the phone, use it to unroot it, go to the SU settings u will see the option, after that, do a factory reset, and reboot the phone.