LG E400 Sim Card Ways Jumper Problem Solution.
The picture below is how to fix the LG Optimus L3 E400 insert sim card. if your LG is broken at the connector sim then you may try a jumper tricks like the picture above. The first step you need to check the lines as shown. The second step you are trying to replace a component six-legged. I hope this trick can help you. do not hesitate to try.
Insert sim card on the LG E400 is caused by a faulty resistor and pathways. well, on this post i will discuss about insert sim card problem. you might have thought that this sort of thing is difficult to do but if you want to do is very easy and simple. please see the schematic picture above. on track vsim who gives red color that connects to the IC power connector sim are intermediaries only resistor. well before you think IC power is damage you should check it resistor. attention “to the resistor can not be made jumper because it would cause sim card registration failed”. others to track the same way analyze vsim line. hopefully useful.
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