1)CHECK ANTENNA
2)CHECK OR CLEAN ANTENNA CONNECTOR
3)CHECK PA POWER INPUT WAYS
4)REMOVE PA THEN MAKE JUMPER LIKE THIS PICTURE
AFTER FIX THIS JUMBER!PHONE SHOW SAME NET NO ACCESS PROBLEM?
5)JUST CHANGE RED MARKED RX FILTER OR RESISTER(TX CONTROLL)
LAST TRY TO CHANGE RF IC
ONE THINK UEM OR UPP MAKE NETWORK PROBLEM
65%PROBLEM SOLVED THIS METHOD
20%UEM
15%UPP
PA JUMPER NOT PERMANENT SOLUTION CHANGING IS BETTER
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