Lg blinking red question mark

[Android Central Question]

My phone suddenly switched off and it started blinking red light it's 4 year old and some times it's comming firmware update and again same it blinking red question mark

 

[B. Diddy]

Welcome to Android Central! That usually means a bad battery, or possibly hardware failure. You'll probably have to bring it to a repair shop. Hopefully you were keeping your important data backed up or synced somewhere on a regular basis.

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