This provides a solution for Samsung S5750 trouble SIM card insertion or if the device does not detect any SIM card that is inserted to work it. This problem has occurred or sometimes happens if the device suffered wet or water damaged or oxidation accumulate through the connector pin SIM card and the corresponding circuit components. This solution then gives some tips on how to fix this device.
If such a problem occurs, you may first clean the PIN SIM card connectors environment possible for dirt accumulation and oxidation.
See the solution below if the problem still exists and shows "NO SIM CARD" and locate some of the components listed and highlighted particular board PCB GT-S5750, and then do some check up procedures.
Solution Hardware:
Samsung S5750 Sim Card Ways solutions, Jumper, Line Tennis Sim Connector Ways
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