useful solution of 1110,1600,2310 insert sim

a useful solution of 1110,1600,2310 insert sim

1)CHECK OR CHANGE BATTERY&SIM CARD----BOTH ITEAMS AFTER CHANGING SAME INSERT SIM PROBLEM?

2)OPEN HANDSET THEN CHECK THIS PARTS

A)BSI VOLTAGE MISSING PHONE SHOW INSERT SIM

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B)CHECK EASY CABLE PORT OR PCB CONTCAT

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C)CHECK VSIM LEG Ohms FIX MULTI METTER TO DIODE CHECKING MODE

a)(DIFFENT VALUE OHMS SHOW ABOVE 500ohms?----(VSIM VOLTAGE PREFECT)

b)(SAME VALUE OHMS SHOW?LIKE 200 Ohms TO 200 Ohms,(VSIM RELATED CAPACITOR SHOTAGE)40%UEM(REMOVE RED MARKED CAPACITOR)

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c)NOT SHOW ANY VALUE Ohms?(UEM NOT GENARATE SIM VOLTAGE 100M PROBLEM)BUT ONE THINK VSIM PRINT MISSING NOT SHOW ohms

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CHECK RED MARKED WAYS
D)REMOVE SIM IC THEN CHECK SIM CONNECTOR TO SIM IC WAYS

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E)CHNAGE OR SHOT SIM IC

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LAST CHECK UEM AND UPP
RESULT
1)SIM,BATTERY,SIM IC,SIMWAYS,CAPACITOR SHOTAGE ETC......65%
2)UEM............................................. ......20&
3)UPP............................................. ......15&