LG G4 broken front camera hardware? - G4 Q&A, Help & Troubleshooting

Hello everyone,
I have a LG G4 H815 which was damaged because of a drop. The screen cracked, was replaced and everything works fine except the front camera! The LG does not recognize having one! The camera app works fine and doesn't show any messages, nor will it open the front camera! No other app can access it. I flashed the original kdz with the newest Android version and user data was also deleted during the flash with LGUP. I do have 2 working replacement cameras, but they don't work either. As a last attempt, I resoldered the connector, but still, nothing!
Anyone an idea, where I could start searching? Maybe someone knows an other forum, where I could ask?
Motherboards are pretty rare and expensive, so I would like to fix this one first.
Thanks for your help!

Related

[Q] !!!!!!help I have me problems with the camera of the elf!!!!!!

help I have me problems with the camera of the elf!
Don't work me anymore! must I replace her it, would someone know me to say where to find her it?
And possible to replace the camera with one who has more pixelses? If him where I find her it?
excused to my English not and my fort…. Thanks to all beforetime!
What is the problem first of all?
And no, you can't put in a higher res camera.
ebay may have a replacement part.
the main problem and that the camera does not work me, and I have tried to inform to me in a center of assistance in my city (Trieste - Italy) and they have answered to me that the camera of reciprocation does not have to us and very difficult to reperire. And so me meeting without camera and this gives much annoyance to me being that drawn my Elf with much cure.
and on ebay they aren't successful to find it and for this I wondered if by chance it were possible to mount a camera of an other compatible model HTC with l Elf.?
Was it the HTC service centre that said the camera is broken? Did they mention if it was the detachable camera board, or something more?
All I can really suggest is backup, hard reset, does it work?
If not, well, then I would suggest maybe opening your device and checking how the camera board is seating into the mainboard. If it is all fine, you may need to find a new one. Either a new phone, or a new camera board from a dead elf.

HTC One M8 Camera Callibration

Hello I just had my M8 camera replaced by a local repair center. They charged me $72.80 CAD for it. The camera of the m8 is gorgeous now but there are some times when it says duo camera is blocked when there is nothing blocking it. So...I did some research and they said recallibrating the camera after it has been disconnected from the board would be the best try. So....all of you smart XDA people, could I get some assistance?
Note: tried factory reset and cache wipe
Hello,
have you any experiance on this topic? Is there a solution available?
I have also the problem with blocked duo camera.
THX
kleiner
Hi,
I've recently had the same issues. My camera was broke and I replaced it myself with another one. It works now but gives the message that the dual camera is blocked.
I did some research and found out that with every replacement of the camera, it needs to be calibrated. That is something that has to be done with the proper software (HTC related, and as far as I know, not available on the internet).

LG G3 (LS990) Rear-Facing Camera Glitch/Failure

I've had my G3 for two years now, and decided I was happy enough with it to keep it past the contract period. My device is rooted, and for a time I'd just been using Xposed on the stock ROM. However, within the last month, I started using different ROMs - Fulmics 5.3 most recently. After some time, my rear-facing camera stopped working. It started as odd glitches, and then progressed (very quickly) to the camera app crashing immediately. I can only get the front facing camera to work now.
First, I tried flashing the backup of the factory ROM - no luck. I wiped the cache through recovery - no luck. Different camera apps either crashed upon trying to access the front camera, or simply showed a black screen. Thinking it was a hardware issue, I ordered a replacement camera and installed it. Nope. I still have the same issue, however now, whenever the camera decides to work for a matter of seconds, it's blurry, but that's another issue.
Here you can see the effects I am receiving.
Image_1
Image_2
At this point, I'm not sure exactly what I should try aside from buy a new phone, however I'd really like to avoid that since this is the only issue I'm having with this device. I'd appreciate any input on this. Thanks!
Hey, I'm experiencing the same issue? Did you solve the problem? I have the same effects you show but on the back camera. Please help!!!
Chiri2230 said:
Hey, I'm experiencing the same issue? Did you solve the problem? I have the same effects you show but on the back camera. Please help!!!
Click to expand...
Click to collapse
Unfortunately, I still haven't found a resolution to this problem. I still can't find any info on this issue, and nothing I've tried has worked. I may just end up buying a new device. It really is unfortunate. I wanted to keep this device for much longer, and I am buying a new one simply due to a camera malfunction.
I've the same problem. I look for solutions in nets and nothing since two weeks. Will The maybe experienced user XDA help?
j959 said:
I've the same problem. I look for solutions in nets and nothing since two weeks. Will The maybe experienced user XDA help?
Click to expand...
Click to collapse
It's surprising that no one here has experienced this and found a resolution to the problem. If anyone who has posted here finds a fix here or elsewhere, please post the fix or a link for the rest of us. It would be much appreciated.
Information for all which they want, can and be able to help.
Telephone LG G3 (D855, F400), system stock MM 6.0, not root.
They don't have the influence on introduced by the colleague above problems: hard, soft resets (after soft reset sometimes camera starts some once, but only once. Then as above), cleaning the memory, reinstalls the system, installing different camera applications, micro sdxc or sdhc: sams'g., adata, kinst., goodram, others. PLEASE HELP !!! Is this software or hardware problem? PLEASE HELP !!! LG G3 is the perfect telephone and the loss to throw out him. PLEASE HELP !!!
XDA ended. All experts, specialists went on the meadow, to sunbathe. Who does not have to help. That is why I will help myself. I will prompt all as the novice which they have the problem as was described higher. Above mentioned symptoms are lack of point of the contact on slat sticking the tape of the camera in main board LG G3 in version F400. The pin which unequatly clamps the point of the contact stands from the laser plate over the connector of the camera. Sticking on connector or the single board of the laser of foam about the thickness approx. 1,5 mm. It fixs the matter at me. The apparatus works as he should. I greet all with problems with the cameras. And also experts and willing helping. I greet the novices.

Change LG G4 motherboard h815 to h818

Hello everyone,
A friend of mine had an issue with his G4, the Cpu pin melting problem, so his phone got stuck in an infinite bootloop and after trying everything to resolve it the only way out was to change the motherboard.
Now my question is, knowing the h815 still got this probelm, we found a cheap h818 MB, will it fit correctelly in a phone designed for the h815? Like will it work and perfom the same?
Thanks in advance for your answers .
I tried to replace the H815 board with H818P board (screen cracked), but the display of the original H815 didn't work (no backlight) ...
Thanks for replying, anyone else can relate?
I am upping this.
Please anyone i really need to know before buying one !
lol ! this is a forum full of developers, not mechanics !!!
also h818 has only a few support, only the single sim g4 has big support.
And who can say for sure YES ?
And if the motherboard has any issues ? Then what ? you are gonna log back in here and spit on us ? haha
Anyway, ask this an experienced mechanic.
Chill dude wtf?
Posting bull**** like this really wont help, stop playing the smarty around the forum, someone may have been trought the same case as me and could have the answer so whats wrong asking? Coming back spitinf if it dosent work? Thats your kind, not me.
I have tried twice swapping LG H810 (single SIM) board with LG H818P (Dual sim). But none of them work, LED just blinking green, screen off. It will charge to full, but with dead screen. Suddenly, the phone ringing and buzzing by itself.
I think they're not compatible.
The problem could be lies in the daughter board I guess, well i havent tried swapping the lower parts of the backside cover where the daughterboard is
The H818 is one of the only LG G4 boards that cannot be bootloader unlocked officially or unofficially (it can be unlocked with steadfasterX's UsU method but the screen touch function is lost, rendering the phone useless except as a fancy paper weight). So if being able to have a custom recovery like TWRP or being able to install a custom rom like LineageOS is important, it's not a good option whatsoever. Recommend you pass on it.

Camera (stopped working) issues (H815 europe)

I'm having some rather annoying issues with my G4, the camera barely works, sometimes it opens but i get a black screen, like my finger is on the lens, but it's not. Sometimes that results in an error message "Unfortunately, camera has stopped" or "camera unavailable", sometimes it just stays black and sometimes the phone reboots.
And now lately i can't use the flashlight anymore, says it's already being used.
The camera works again after i reboot, but most of the times i have to reboot multiple times.
I read quite a few forums and even threads here and tried pretty much everything (clearing cache, uninstalling LG Smartworld or something like that, removing the battery, etc.) and nothing really worked, so yesterday i finally decided it was time for more drastic measures and i unlocked the bootloader, installed TWRP and then installed Imperium ROM v14 and it seemed fine but today i get a black screen again. I didn't restore any of my previous apps and settings on purpose, to see if they were causing the problem.
Someone here suggested (to someone else) to try flashing KDZ or something like that, i and probably the other guy, have no idea what KDZ is or where to get it.
I bought this phone used almost 2 years ago, so i have no warranty. Didn't have any issues until about 6-9 months ago and they seem to be getting worse, battery life isn't what it used to be either.
My only options are to try a non-stock rom like CM, to go back to an android 5.0 based rom, or to sell the phone as a semi-defective product, maybe i can get a used S5 for it.
This is very frustrating and somewhat ironic, since i bought this phone because it had the best camera at the time and i barely use it for anything else than taking pictures.
I'm never buying LG again.
This is a fairly common issue, maybe common enough that it should be a sticky.
Got the same issue after display repair. Camera got broken. I always needed to reboot phone so camera gets working again. Only fix was to send it to repair. They replaced camera, after that it worked again normal.
For me it was guarantee because before display repair I didn't have issue like that.
You can replace your camera, I don't think it's so difficult.
It's also not that expensive:
http://www.ebay.com/itm/OEM-Rear-Ma...949757?hash=item2a7e1545bd:g:r-IAAOSwB-1Y4yFb
about 20-30€
JoeGP said:
I'm having some rather annoying issues with my G4, the camera barely works, sometimes it opens but i get a black screen, like my finger is on the lens, but it's not. Sometimes that results in an error message "Unfortunately, camera has stopped" or "camera unavailable", sometimes it just stays black and sometimes the phone reboots.
And now lately i can't use the flashlight anymore, says it's already being used.
The camera works again after i reboot, but most of the times i have to reboot multiple times.
I read quite a few forums and even threads here and tried pretty much everything (clearing cache, uninstalling LG Smartworld or something like that, removing the battery, etc.) and nothing really worked, so yesterday i finally decided it was time for more drastic measures and i unlocked the bootloader, installed TWRP and then installed Imperium ROM v14 and it seemed fine but today i get a black screen again. I didn't restore any of my previous apps and settings on purpose, to see if they were causing the problem.
Someone here suggested (to someone else) to try flashing KDZ or something like that, i and probably the other guy, have no idea what KDZ is or where to get it.
I bought this phone used almost 2 years ago, so i have no warranty. Didn't have any issues until about 6-9 months ago and they seem to be getting worse, battery life isn't what it used to be either.
My only options are to try a non-stock rom like CM, to go back to an android 5.0 based rom, or to sell the phone as a semi-defective product, maybe i can get a used S5 for it.
This is very frustrating and somewhat ironic, since i bought this phone because it had the best camera at the time and i barely use it for anything else than taking pictures.
I'm never buying LG again.
This is a fairly common issue, maybe common enough that it should be a sticky.
Click to expand...
Click to collapse
yea replacing the camera is very easy and isnt worth sending it in for shouldnt take more thn 10 or 15 min even quiker if uve been inside the g4 before its one of the most simple phones to copletly tear down
TheMadScientist420 said:
yea replacing the camera is very easy and isnt worth sending it in for shouldnt take more thn 10 or 15 min even quiker if uve been inside the g4 before its one of the most simple phones to copletly tear down
Click to expand...
Click to collapse
OK, that's something i didn't even think of, so it's definitely a hardware issue ?
I read up on this KDZ thing and it seems to be a firmware updater for LG phones, would using that help ? and/or is the risk of bricking he phone too great ?
JoeGP said:
OK, that's something i didn't even think of, so it's definitely a hardware issue ?
I read up on this KDZ thing and it seems to be a firmware updater for LG phones, would using that help ? and/or is the risk of bricking he phone too great ?
Click to expand...
Click to collapse
It is hardware issue. I had exact same issue. I was in stock. Didn't modify anything. After display repair they completely reflashed it. Of course you can try other firmware, but really had the same issue.
I didn't spend so much time on it, therefore don't remember exactly if i got force closes.
I only remember that the camera worked, later i got black screen, i could see the buttons, but no pic. After restart it worked again.
I also thought software issue because after restart it worked. Tried really everything which was possible without unlocked bootloader, but didn't worked.
I can't say it is definitive, could be also a motherboard issue. Or an other part of the camera (flash light, ir sensor), I only tell you what was replaced on my phone.
I would try it, camera is not so expensive.
yener90 said:
I would try it, camera is not so expensive.
Click to expand...
Click to collapse
You convinced me, i just ordered a used one, it will be here be thursday i think, the guy also said it could be a motherboard issue, i imagine that isn't very cheap or easy to replace ?
Also lately i have been getting flashlight issues too, says it's already in use, so maybe the flashlight is broken too or the camera is causing that too.
JoeGP said:
You convinced me, i just ordered a used one, it will be here be thursday i think, the guy also said it could be a motherboard issue, i imagine that isn't very cheap or easy to replace ?
Also lately i have been getting flashlight issues too, says it's already in use, so maybe the flashlight is broken too or the camera is causing that too.
Click to expand...
Click to collapse
Flashlight is camera related. I believe i had the same issue with flash light.
I think I tried to use other camera apps, i always got the message, that it is in use.
If it is mainboard, you should buy a new phone. Mainboard is too expensive.
But I don't believe in it, mainboard issue your phone wouldn't start anymore as we know how sensitive G4 is.
Flashlight would only freeze camera while making photos. You can check ir sensor, use an other camera and check out if there comes light from sensor.
I don't think that would be the reason to stop the camera from working.
So if the back camera is broken then why doesn't the front one work ? is it because they both run in 1 app and are kinda tied together ?
The replacement back camera should be arriving in 1-2 days.
JoeGP said:
So if the back camera is broken then why doesn't the front one work ? is it because they both run in 1 app and are kinda tied together ?
The replacement back camera should be arriving in 1-2 days.
Click to expand...
Click to collapse
I have had it where there camera crashed out the box
Back on my g2. It was a refurb. And ended up being corrupted firmware and or kernel. After a reflash of firmware worked great. Ures sounds firmware related if the front aint working either. Have u tried any 3rd party camera apps to see if same results
TheMadScientist420 said:
Ures sounds firmware related if the front aint working either. Have u tried any 3rd party camera apps to see if same results
Click to expand...
Click to collapse
Strange way to write 'yours', so using KDZ to update or reflash the firmware might help ? is it risky ?
I haven't tried it since i installed the Imperium Rom, but with the stock rom any and all apps that used the camera wouldn't work.
This all started after i sideloaded the google camera app (to take VR photos), which was not supported by the G4, i wonder if doing that is what caused all this.
JoeGP said:
Strange way to write 'yours', so using KDZ to update or reflash the firmware might help ? is it risky ?
I haven't tried it since i installed the Imperium Rom, but with the stock rom any and all apps that used the camera wouldn't work.
This all started after i sideloaded the google camera app (to take VR photos), which was not supported by the G4, i wonder if doing that is what caused all this.
Click to expand...
Click to collapse
There havebeen a few camera failures and a good majority have been hardware related.
As long as u dont downgrade ure firmware not risky. And yes if thats when ure issues started i would safely say that is the issue. U may just try reflashing the rom ure on clean wipe all but ext sd. And start over and see if it persists
TheMadScientist420 said:
U may just try reflashing the rom ure on clean wipe all but ext sd. And start over and see if it persists
Click to expand...
Click to collapse
Well i just went from stock to Imperium and while unlocking the phone everything was wiped anyway so doing that again won't change anything, unless there is some cache or something i don't know about.
Anyway, i ordered this new camera so i'll wait for it and if that doesn't work then i'll try reflashing the firmware.
Are newer LG flagships (G5, G6) just as poorly built ? cuz i'm pretty sure i'm going back to samsung after this.
JoeGP said:
Well i just went from stock to Imperium and while unlocking the phone everything was wiped anyway so doing that again won't change anything, unless there is some cache or something i don't know about.
Anyway, i ordered this new camera so i'll wait for it and if that doesn't work then i'll try reflashing the firmware.
Are newer LG flagships (G5, G6) just as poorly built ? cuz i'm pretty sure i'm going back to samsung after this.
Click to expand...
Click to collapse
I think they are. Dont know forst hand. I love my note 5. My battery xied in it the other day so im waitin on a bettery hopefully it works. Im been so fed up with lg.
got the new camera but haven't installed it yet since my phone has other issues right now, like freezing, random restarts, the quick toggles are gone, my wallpapers seems to have been removed, etc. and now it's stuck on booting (not bootlooping though)
I would like to reflash the firmware (KDZ) but the get the right one i need my IMEI number (the one underneath the battery seems to not be the one) or to see what software version the phone is running, i would need a working phone for both.
Would reflashing the Imperium rom fix this ?
The imperium rom is v20P, but there is no kdz firmware like that only V20D or V20G
Have that for months
That freakin camera issue is haunting me for months. I have tried reflashing EVERY freaking rom(stock,cm,everything) and it doesnt change anything. I have teardown my g4 to parts,plug them in and still the same.Sometimes works for a week,sometimes doesnt work for 1 month. I don;t get it. Finally someone with my problem! Man can you replace the camera module and tell me if that works so i order mine?
ntelas said:
That freakin camera issue is haunting me for months. I have tried reflashing EVERY freaking rom(stock,cm,everything) and it doesnt change anything. I have teardown my g4 to parts,plug them in and still the same.Sometimes works for a week,sometimes doesnt work for 1 month. I don;t get it. Finally someone with my problem! Man can you replace the camera module and tell me if that works so i order mine?
Click to expand...
Click to collapse
Did you try reflashing the firmware ? (the KDZ thing)
Also no, i can't try that for you right now, like i wrote previously i got bigger problems, also i got my camera locally for like $15, if you tried everything else that is not a lot of money to spend, and if it doesn't fix your problem then you can just resell the camera. Now go do it.
JoeGP said:
Did you try reflashing the firmware ? (the KDZ thing)
Also no, i can't try that for you right now, like i wrote previously i got bigger problems, also i got my camera locally for like $15, if you tried everything else that is not a lot of money to spend, and if it doesn't fix your problem then you can just resell the camera. Now go do it.
Click to expand...
Click to collapse
i reflash using kdz and other programs. To give you the prespective that even deletes the twrp and fully wipes all phones data and flashes the new ones.If you flash yours it sould be fine because i have flashed nearly all the letters (ex. v20d,e etc). Flash it see that the camera is not fixed and then change the module to tell me..in greece new camera costs 30 euros so it's not that cheap for me to spend and then does not fix nothing
ntelas said:
in greece new camera costs 30 euros so it's not that cheap for me to spend and then does not fix nothing
Click to expand...
Click to collapse
Well i didn't buy a new one, i bought a used one from local listings site (like craigslist in the USA or Kijiji in Canada, every country has their own) and if the new camera doesn't work you can sell it for the exact same amount, all it will cost you is shipping and time.
If i can fix the booting issue and i still have camera issues i will install the new camera, but don't wait for me, it could take weeks, or i could just get angry and buy a used Samsung Galaxy S5 and throw this in the trash (or most likely sell it for parts)
JoeGP said:
Well i didn't buy a new one, i bought a used one from local listings site (like craigslist in the USA or Kijiji in Canada, every country has their own) and if the new camera doesn't work you can sell it for the exact same amount, all it will cost you is shipping and time.
If i can fix the booting issue and i still have camera issues i will install the new camera, but don't wait for me, it could take weeks, or i could just get angry and buy a used Samsung Galaxy S5 and throw this in the trash (or most likely sell it for parts)
Click to expand...
Click to collapse
Ok..well there are no that kind of shops here that sell used cameras etc. only used phones. So if myne breaks again for sure then i ll buy one and ill se..But even if that doesnt work then there is nowere to sell it! In greece there are no that kind of shops
ntelas said:
Ok..well there are no that kind of shops here that sell used cameras etc. only used phones. So if myne breaks again for sure then i ll buy one and ill se..But even if that doesnt work then there is nowere to sell it! In greece there are no that kind of shops
Click to expand...
Click to collapse
It's not a shop, it's a website like ebay, anyone can sell anything there, you have many sites like that i'm sure, every country does. 99% of things sold there are by regular people like you and me.
Google "used lg g4 camera for sale" (in your language) and the first 5 websites will probably be what you are looking for.
This is what ours looks like https://www.olx.ro/oferte/q-lg-g4/, there are at least 10-20 smaller sites, there are even facebook groups, where people post the stuff they don't want anymore.
You're saying you have none of these ?

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