У вашего броузера проблема в совместимости с HTML5
At first turn off the cell phone,
Then press the Volume Up + Power button and hold until you see Adnroid logo on your screen,
Afterwards select using the Volume button option wipe data/factory reset, and confirm with Power button,
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Please watch: "LG G3 Hard Reset? by ?TOPinTOWN Tech?"
https://www.youtube.com/watch?v=Nn_c0Awt4bc
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