Samsung Sgh E590 Keypad Problrm,All Keys Not Working or Hang Problem.                               Solution:- First clean mother board with ctc to clear any fluid on the board and apply normal heat.Also chech charging jeck and clean it, if there is fluid its creates many problems like keypad not works and charging problem.if problem still not solved then remove components as shown in diagram below.

sgh e590 keypad problem

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