please help me anyone I have a case redmi note 5 (whyred) network problem, I have already change Baseband IC SDR660,change IC SKY 77645,Change IC 77912 and also change QET4101, chek and change the antenna, measuring the component there is no leak short and the phone still not get the signal,only no service . IDK what to do anymore , so please can anybody help me,thanx in advance