Before you replace or repair the sim card connector sim card make sure the connector is really problematic and indeed should you replace or repair, please carefully sim card connector LG MS323, when it is positive in trouble, please correct if they can in repair, if it can no longer be repaired you please replace new sim card connector, do the replacement sim card connector LG Optimus MS323 well, you can just take it off just using a blower, and for inserting the sim card can only be in done using solder, because if you use the blower can not, why not? Because under the PCB connector sim card too much Capacitor or resistor ic, which most likely will fall out if you are forced to put the sim card connector by means of a blower under the PCB, when inserting the sim card by way of addressing the blower from top or side of the sim card connector would be futile, after completion plug your sim card connector plug is also broken, so the only way is to install the sim card connector via solder.
- Check the voltage on the line as shown above and make sure everything produce voltage.
- If there is one line does not produce voltage then you have to make a jumper as shown above.
- If the four lines has produced a voltage then please try to insert sim card and turn on the cell phone.
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