If your device is asking for the Google PW.Visit online and reset Google pw and try it on your device and if that step doesn’t work. Try these steps to reset the phone(LG Optimus).Reset will erase all info from your device.
a.REMOVE AND RE-INSERT THE BATTERY
b.PRESS AND HOLD THE HOME AND VOLUME DOWN KEY, SHORTLY FOLLOWED BY HOLDING THE POWER BUTTON UNTIL THE BOOT SCREEN APPEARS
c.SELECT FACTORY RESET/WIPE DATA BY SCROLLING DOWN USING THE VOLUME DOWN KEY AND PRESSING THE MENU KEY
d. THEN ONCE AGAIN SELECT DELETE ALL USER DATA BY PRESSING THE MENU KEY
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