My wife's LG G4 H815 is a stock unrooted Lollipop device. Yesterday it started doing bootloops, not being able to start it at all. It contains some data that is VERY IMPORTANT to my wife, and I am trying everything to recover the data.
After some research it seems to be a known problem with these devices. I have tried the fix disabling the big cores, on the restart followed by that it got further in and started with the "Starting app X of X..". It only got to the third app before it froze and restarted into bootloop again.
I have also tried the freezer trick, putting it in the freezer for about 15 mins. That time it actually booted all the way in, but only for about 2 mins, not enough time to transfer the data to my PC. Tried it a couple of times more, but it did not work, and after some attempts it started to get moist/wet and would not react at all! Fearing it had been water damaged totally. Took out the battery and let it dry out in room temp some hours, before about half an hour in the stove at 45 degrees. It then got to bootloop again some times, but not all the times. After leaving it for the night it seems that it is "itself" againg, with bootloops.
I hoped it maybe could work if I installed TWRP, and somehow transfer data from recovery mode? But is this possible if the phone won't boot? The guides I have seen requires that we enable USB debugging from the phone, which is not the case on this phone. The device don't show up in ADB console.
Any tips? All help is appreciated!
After some research it seems to be a known problem with these devices. I have tried the fix disabling the big cores, on the restart followed by that it got further in and started with the "Starting app X of X..". It only got to the third app before it froze and restarted into bootloop again.
I have also tried the freezer trick, putting it in the freezer for about 15 mins. That time it actually booted all the way in, but only for about 2 mins, not enough time to transfer the data to my PC. Tried it a couple of times more, but it did not work, and after some attempts it started to get moist/wet and would not react at all! Fearing it had been water damaged totally. Took out the battery and let it dry out in room temp some hours, before about half an hour in the stove at 45 degrees. It then got to bootloop again some times, but not all the times. After leaving it for the night it seems that it is "itself" againg, with bootloops.
I hoped it maybe could work if I installed TWRP, and somehow transfer data from recovery mode? But is this possible if the phone won't boot? The guides I have seen requires that we enable USB debugging from the phone, which is not the case on this phone. The device don't show up in ADB console.
Any tips? All help is appreciated!
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