If you are the owners of the LG Optimus Sol E730, you need to prepare two required things, one is the User Manual，the other is usb driver. You can learn more how to use your device through the user guide for the LG Optimus Sol E730, also When you meet some problem, firstly you can ask for help from the pdf manual.
Well, I have shared the quick download link for LG Optimus Sol E7 below, take it!
LG Optimus Sol E730 User Manual / Guide Download:
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lge 730. ka update version downloding hona chahe yeeeee