LG K7 X210 Sim Card Ways Insert Sim Card Problem Jumper Solution
The solution below shows the connection line paths of the LG K7 X210 SIM card pin connector which can be used as a guide for easy and quick tracing and repair procedures. You may just trace each of corresponding pin connection line paths to a corresponding components being connected to it.
Here’s the LG K7 X210 solution for insert SIM card problem . This solution might help fix and solved if the device unable to detect or accept any working sim card being inserted to it.
If your phone is water damaged and if you find any green carbons on Sim card terminal contact pads, you must clean them.
Note: make sure that sim terminals are perfectly connect with contact pads.
Then, check the fuse resistor and filers using muti-meter, change them if it shows short or damage. then check the two contact pads of sim card are connected to fuse-resistor and filters.
If it not connected, you should put two jumpers to fuse-resistor and filters from the terminal contact pads.
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