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The LG Optimus L90 is a smart phone from the third generation of the "Optimus L" series of phones manufactured by LG Electronics.

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Why is my phone not allowing me to do anything?

For some reason, my phone started acting up. It factory reset itself, and I can no longer do much. The back screen won’t change, and no matter what I do I can’t get a lock screen to actually turn on. Along with that, there’s no longer a bar across the top of the screen, meaning I don’t have access of seeing anything. I can’t access any previously opened apps either.

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You have to hard reset the phone,This actually happen some application causes crash the system.So if factory reset is not working at all you have to firmware upgrade.

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I’ve already done a factory reset. Is there anything else I can do?

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Aurora Gilbert 님은 대단히 고마워 할 것입니다.
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