Problem: China All Mtk No Network Problem, Signal Problem.
Solution: Signal problem in any mobile is very strange fault, This fault is not easy to solved, follow the step to solve this problem.

  1. Update mobile software or reinstall mobile software.
  2. Check antena or replace it.
  3. Replace (PA) signal ic or make jumper.
Here is signal ic (pa) jumper diagram, Observe diagram and make jumper like diagram below.
China All Mtk PA Jumper

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