A followup to the LG V10 smartphone, similar to the LG G5, released on September 29, 2016. The LG V20 can be distinguished by the model numbers F800, H910, H918, H990 DS Dual, H990N Dual, H990T, LS997, US996, and VS995. It is available in titan, pink, or silver with 32/64 GB of storage.

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Bad backlight - chances it's the screen not the main board?

Hi everyone, got a water damaged phone on my hands! Any advice would be awesome! The top backlight still works - as a matter of fact I'm typing this on it! Problem is the main bottom backlight isn't functioning, so it's impossible to use in day light. When the phone was submerged it was powered off. I cleaned the main board with isopropyl, but obviously there was quite a large amount of water underneath the screen that never seemed to dissipate until two weeks. Mainboard doesn't appear to have any serious stand out issues from visual inspection and everything else works fine. So my main question is for all the experienced cell phone repair people out there... How often are backlight issues just the screen itself? There's quite a bit of electronics on the back of it let alone the LEDs. It seems to me from reading that it rarely is, and is probably the main board's fault. The reason I ask is because I can find LG v20 screens with the midframe online for around C$100, but the return policy states unless its defective I can't return it. Should I just do it anyways and return it if doesn't work? I phoned all the cell phone repair shops in my city and none of them carry extra screens, but they can order one and if it works charge $250+ for something so trivial. Is it worth trying? Or is it almost gaurenteed to be the main board? Thanks everyone

Beantwoord! View the answer Dit probleem heb ik ook

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Chances are its the lcd as ive had the same thing on my Iphone 6s and it was the lcd. My phone was also powered off. Go to a cell phone shop and ask for a cracked lg v20 screen to test ur logicboard.

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Just did a full display and mid frame replacement on an LG V20 with the entire backlight out except for the upper right corner. It did NOT solve the issue. Will run board through an ultrasonic cleaner, in case there was some minor water damage. I also noticed some very slight damage on lcd fpc socket on the motherboard. Will report back if I have any success.

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just did my screen replaced and it did not solve the same issue, any luck with yours

door

Hello man,

And? How did it went?

(I have the same problem. Plugged a new screen on my V20 and the backlight is off. Don't know want to fix...)

Tks,

V.

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Hi everyone, OP here. Unfortunately, I could not find any local repair shop with an Lcd to test out. I opted not to order an Lcd primarily because I noticed damage on the fpc connector(bottom right pins looked burned) , there was power issues (over heating & current draw was never below 600ma - system panel 2 told me about 2/3 of the battery usage was unaccounted for), when using the dac the sound was heavily distorted and popping, and the phone hard crashed when it entered deep sleep mode… Haha yep figured the Lcd was not the only issue… could be, but didn't want to risk ordering.. Thought about trying my hand at SMD and replacing the fpc… pretty sure it's just the 54 pin used in other lg phones? Ultimately just bought a cheap huawei… Miss the LG v20 - packed with awesome features(ir blaster, dac, replaceable battery, camera), but man I don't miss the poor battery life - the cheap huawei’s 11hr Sot is awesome compared my LG v20 5-6 hrs. If any one produces a phone with the same features and better sot I'm sold already.

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Warren Marco zal eeuwig dankbaar zijn.
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