G4 will only boot in USB debug mode

coder82

Member
Jun 15, 2015
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Hi,

I've already had my G4 replaced due to the commonly known boot loop issue, but yesterday, my phone shut off randomly and now won't get past the LG logo on boot. However, I am able to enter USB debug mode and everything works OK (although very slowly). Does anyone have any ideas what could be happening? I tried wiping the cache, and doing a hard reset from the developer menu and also while in USB debug mode from the Settings menu (neither will complete successfully). I also wasn't able to connect to LG Bridge - I read there is an error repair tool built-in.

Thank you very much.
 
Hi,

I've already had my G4 replaced due to the commonly known boot loop issue, but yesterday, my phone shut off randomly and now won't get past the LG logo on boot. However, I am able to enter USB debug mode and everything works OK (although very slowly). Does anyone have any ideas what could be happening? I tried wiping the cache, and doing a hard reset from the developer menu and also while in USB debug mode from the Settings menu (neither will complete successfully). I also wasn't able to connect to LG Bridge - I read there is an error repair tool built-in.

Thank you very much.
Since you are able to get into debugging mode can you then enter Recovery? I would suggest clearing cache - try factory reset if clearing cache doesn't work - and see if that fixes your problem. Otherwise, contacting LG would be the next best step since you got a replacement from them. Hopefully it wasn't that long ago and that they will honor a replacement if you can't get it working.
 

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