My Lg g2 have a red flashing led but not start - G2 Q&A, Help & Troubleshooting

Hello everyone,
I'm here because i've a little problem with my d802. Few months ago, i've break my motherboard (i've shorted the capacitors with a screwdriver.. -_-). But now i've buy a new motherboard for my lg g2, she was tested and she work.
I've an idea but not sure if it's the problem : I've don't use my phone and the parts during a long time, may be the battery was drained at 100% and she die ?. anyway, have you got a solution for this problem ?
please help me
Thank you in advance, sorry for my english if it's not 100% understanding but i'm french and don't use english all the time.
Thanks for reading me
edit : the led is blinking, she not stay red.
8 times-pause-8times-pause
I've charge the phone during 5-6hours now
the motherboard have never be rooted
no water damage

May be i've fined the issue
Hello guys,
Hi guys
Today I went to the mobile repair shop to establish a diagnosis.
the guy changed the battery, the phone started , until then, I was happy !
When , just after the boot logo I could see a fabulous " white noise " on my screen .
In my head, I said " if the phone starts, is that it has a charged battery , the problem was not the battery.
Then I remembered this topic: http://forum.xda-developers.com/showpost.php?p=62401112&postcount=13
And I say that it's just me flex cable is dead, what do you think ?
If you think it may be the case this will encourage me to order the part .
To tell a little about my life, I have been fortunate to have the free diagnosis , I did just order the parts myself : p
And voila, if anyone have a problem, that is a way for you.

Related

Hermes totally dead.

Since I brought my jasjam it hasnt had a good life. It has been bashed around a bit too much and I only have myself to blame. This unfortunatly has cause the white screen of death getting worse and worse. Taking apart and reseating the ribbon cable to the board appeared to help but it would soon start getting worse again. The short term fix was a thump accros the palm of my hand. Unfortunatly today this back fired in me and now the phone is totally dead. I am fortunate enough to have another Jasjam that i was sorting out a few problems for a friend and this gave me the ability to swap out batteries chargers etc to try and get mine to fire up. No good.
I have taken it apart and checked all cables to no avail. pluggin in usb or charger have no affect. no lights no responce of anysort.
Any suggestions would be a great help
Thanks
Shane
shane11r said:
Since I brought my jasjam it hasnt had a good life. It has been bashed around a bit too much and I only have myself to blame. This unfortunatly has cause the white screen of death getting worse and worse. Taking apart and reseating the ribbon cable to the board appeared to help but it would soon start getting worse again. The short term fix was a thump accros the palm of my hand. Unfortunatly today this back fired in me and now the phone is totally dead. I am fortunate enough to have another Jasjam that i was sorting out a few problems for a friend and this gave me the ability to swap out batteries chargers etc to try and get mine to fire up. No good.
I have taken it apart and checked all cables to no avail. pluggin in usb or charger have no affect. no lights no responce of anysort.
Any suggestions would be a great help
Thanks
Shane
Click to expand...
Click to collapse
That's too much of a challenge to answer - could be any number of things. Without testing it with a multimeter I couldn't say.
What surprises me is that your friend lets you anywhere near his phone - and does he know you use his bits to test out your poor maltreated Hermes
I assume you have looked through the service manual to seek any clues?
Get it at the web link in my signature.
Mike
Thanks f0r you reply Mike
Im sure what he doesnt know wont hurt him anyway its only battery and charger.
Had a look thriough the service manual nothing jumps up and pokes me in the eye. I guess its fairly safe to say the main board has had it.
I cant seem to find anywhere to buy a replacment board and more importantly how much they are so i can see if its viable.
any suggestions
Thanks
Shane
shane11r said:
Thanks f0r you reply Mike
Im sure what he doesnt know wont hurt him anyway its only battery and charger.
Had a look thriough the service manual nothing jumps up and pokes me in the eye. I guess its fairly safe to say the main board has had it.
I cant seem to find anywhere to buy a replacment board and more importantly how much they are so i can see if its viable.
any suggestions
Thanks
Shane
Click to expand...
Click to collapse
From my experience, you can only get motherboards from HTC or their repair outlets - this will cost lot$. Maybe if you're shelling out $$$ why not wait for the Kaiser?
please help my mate's dead Hermes
hi, this is to anyone who can help mainly prof and mikechannon. basically, i was trying to use my mates BRAND NEW hermes to repair my WLAN (Tmobile Hermes). it was working perfectly well until ran the RUU programme. i selected the 1.04SPL so that i could flash the hermes with the new NBH file i created. it flashed a 100% and it turned off and now its not coming back on. i plugged it into the charger, but no luck.i am afraid if i send it back to HTC, they might want to charge me for it. i love this phone badly, but sadly,i have given my mate mine. i dont mind sending this phone o anyone in the UK who can fix it. PLEASE HELP
shelay said:
hi, this is to anyone who can help mainly prof and mikechannon. basically, i was trying to use my mates BRAND NEW hermes to repair my WLAN (Tmobile Hermes). it was working perfectly well until ran the RUU programme. i selected the 1.04SPL so that i could flash the hermes with the new NBH file i created. it flashed a 100% and it turned off and now its not coming back on. i plugged it into the charger, but no luck.i am afraid if i send it back to HTC, they might want to charge me for it. i love this phone badly, but sadly,i have given my mate mine. i dont mind sending this phone o anyone in the UK who can fix it. PLEASE HELP
Click to expand...
Click to collapse
I am not a flashing expert, so POF might be the first person to contact even if it's just to see if this is some recognised thing that can happen despite getting to 100%.
Can we assume the phone is completely dead? ie NO LEDs lit at all even when on charger?
Mike
reply for hermes (mikechannon)
yes it is totally dead. the LED only comes on RED when i take out the battery and stick in the charger.its not responding to anything. i have tried a HARD reset, no luck even a Soft reset too. i am now trying to use microsoft window CE 5 builder software, but i honestly dont think it will work. i really have to fix this phone. it a brand new phone.i tried ringing HTC europe but they are closed today. how can i check if its still under warranty. also, i bought it off some guy on ebay and just had it delivered this morning and now i have managed to brick it
shelay said:
yes it is totally dead. the LED only comes on RED when i take out the battery and stick in the charger.its not responding to anything. i have tried a HARD reset, no luck even a Soft reset too. i am now trying to use microsoft window CE 5 builder software, but i honestly dont think it will work. i really have to fix this phone. it a brand new phone.i tried ringing HTC europe but they are closed today. how can i check if its still under warranty. also, i bought it off some guy on ebay and just had it delivered this morning and now i have managed to brick it
Click to expand...
Click to collapse
Well I think you need to get a reply here or speak to one of the ROM gurus to see if this is a kniwn result of a faulty flash (seems odd to be but I'm no expert)
The phone is not completely dead if the RED led lights when the battey is out. It is meant to do this. Normally if the battey is faulty the LED will also go red when the battery is inserted.
Are you saying that when you put the battery in the Red LED goes out and no LEDs then show?
Mike
I had the same problem as well.
Red LED w/o battery, and NOTHING else.
Battery IN + charger : no LED
Anything else : no LED
Phone wouldnt boot
So I bought from eBay a broken 8525 that was reported to power up, but the screen was broken and some buttons were malfunctioning before the screen broke.
Swapped the motherboards and now I got a functional 8525.
dead hermes
yes, mikechannon, thats excatly what i am saying. when the battery is out and the charger is in, the RED LED comes on. but when the battery and the charger is in, nothing happens
shelay said:
yes, mikechannon, thats excatly what i am saying. when the battery is out and the charger is in, the RED LED comes on. but when the battery and the charger is in, nothing happens
Click to expand...
Click to collapse
I would have been tempted to say to check with another battery in case it was therefore a battery fault. BUT given what alkizmo says above it suggests the issue is as likely to be a blown component on the m/board. The Service Manual Hermes or Wizard ( I forget which) refers to a fuse. However nobody so far has identified a fuse as such. It may be another component (resistor perhaps) that is used to blow if current is exceeded. At present though we do not have sufficient info to either identify this component or bypass it.
Still think it's worth a casual inquiry to the ROM gurus to hear their view on whether this is hard or software related.
Mike
Hermes Dead Battery ??
The Red Light Will Not Work If The Charge Is More Than 50 Per Cent
So Try To Shutdown Your Hermes And Put The Usb Charger Then Reboot Your Hermes
May Be It Will Work
mikechannon said:
Still think it's worth a casual inquiry to the ROM gurus to hear their view on whether this is hard or software related.
Mike
Click to expand...
Click to collapse
Having experienced blown motherboards on a laptop, a desktop and now a cellphone, I can attest to this : If NOTHING powers on at ALL, it is a hardware fault. Before you speak out for laptop/deskop, don't forget about the BIOS, if the BIOS is fried, the motherboard will still power up (fans spinning, lights turning on).
However, maybe that something in the software CAUSED the hardware issue. However, once the damage is done, no changes to the software (even if you could change the software without turning on the phone) would make a difference.
SETOUF said:
The Red Light Will Not Work If The Charge Is More Than 50 Per Cent
So Try To Shutdown Your Hermes And Put The Usb Charger Then Reboot Your Hermes
May Be It Will Work
Click to expand...
Click to collapse
The red light shows when there is no battery as well and the charger is plugged, if there is no battery and the red light doesnt show, you got a problem.
And, shutting down/rebooting is not an option here. The guy's phone won't even light up. It's fried.
Last suggestion of hope : remove the battery and leave the phone unplugged for a whole day. Then put back the battery and do a hard reset attempt.
If this doesnt work, then I got nothing else, as I said, I resulted in replacing the motherboard.
if you cant get it working i will buy the back speaker off you
ok, i am an optimistic person so i will surely try your approach. one question though, as the phone is brand new, do you reckon if i send it back to HTC europe, can they fix it as it is still under warranty?
thanks a lot for your reply. i am an Optimist so i will surely give your method a try. one question though: do you reckon if i send it back to HTC europe, will they fix it as the phone is brand new and still under warranty.although, i bought the phone on ebay brand new from a seller for my mate.its a vodafone branded HTC. cheers
Authorized Dealer?
shelay said:
thanks a lot for your reply. i am an Optimist so i will surely give your method a try. one question though: do you reckon if i send it back to HTC europe, will they fix it as the phone is brand new and still under warranty.although, i bought the phone on ebay brand new from a seller for my mate.its a vodafone branded HTC. cheers
Click to expand...
Click to collapse
Usually, most companies only warranty items from authorized dealers. If the seller was an authorized dealer you are ok. If not, they "might" fix it. Call to make sure before sending it in.
Dead Hermes
My VPA Compact III v1605 seems to have the same type of problem - it only shows red lite when it is plugged in and battery is off, but... but I can also (hardly) recognise 4-colour bootloader-type screen, which blinks once and reappears every time I reset the device.
It doesn't communicate with computer, MTTY says "USB port can not open"...
The difference between usual bootloader screen and this one is that I can't recognise any characters (like IPL/SPL), or maybe because it's hardly seen, I can not see characters?..
Is there any chance to have this device repaired?
Ok, not sure I can help here, but first can we clarify something -
You say the red LED shows with the batter "off". Do you mean with the battery out of the phone?
Mike
Some suggestions...
Hi there,
i messed around a lot with the hermes hardware the last few weeks.
There's a lot of stuff in those mobile that could go wrong
@shane11r
I have taken it apart and checked all cables to no avail. pluggin in usb or charger have no affect. no lights no responce of anysort.
Any suggestions would be a great help
Click to expand...
Click to collapse
Seems like there's some part messed up in hardware.
If you dropped it some times, maybe some component got damaged.
Please check the voltages on board firmly after pressing the power on button with battery inserted. Just like mikeshannon suggested
There have to 3.15V, 1.8v, and ~1.2V around the board.
I will take a picture from the mainboard with testpoints if you like.
Anyway you need some electric skills
Otherwise give to a service center or buy a new mainboard.
@shelay
hi, this is to anyone who can help mainly prof and mikechannon. basically, i was trying to use my mates BRAND NEW hermes to repair my WLAN (Tmobile Hermes). it was working perfectly well until ran the RUU programme. i selected the 1.04SPL so that i could flash the hermes with the new NBH file i created. it flashed a 100% and it turned off and now its not coming back on. i plugged it into the charger, but no luck.
Click to expand...
Click to collapse
This is very similar to what happened to my device. After downgrading from olipro's hard-spl something went wrong. After flashing succeeded with 100% the device got restarted and there it was... nothing!!
What i found out in the meantime is that the IPL was not flashed correctly.
While trying to reflash the device with JTAG debugger, i examined that the NAND write protect signal sticks to GND right after reset.
Maybe this also a hardware issue. I'll find out soon
The bricked IPL-bootloader could also be the cause.
At least if the red light turns on, the DC-DC converter on the hermes is doing well. This means the unit is partially working but not booting.
....nearly forgot to say, that there is also a fuse on the hermes mainboard.
should do some pix
Cheers,
scholbert

HELP with Trinity- No Switch

Dear Forum
I have a HTC P3600. . Recently I faced a problem to switch on the device. Accidentally the battery has been replaced with another Nokia battery and perhaps the poles are changed and then a red light has appeared for a while. After that moment I can not switch on the device.
There is no Garantie more...
I would kindly ask somebody from the Forum for any idea, about my Problem?...
It's like throwing your device into a bowl of water!
You may have damaged your mainboard...which can't be repared!

[Q] x10i wont turn on

Hi, need some help my girlfriend through my x10 at me and cracked the touchscreen digitizer which i replaced with a genuine one.The thing is when i went to turn it on nothing happened so i charged it for about a day when eventually the red battery led started flashing sometimes but still the phone wont turn on.with more charging and disconnecting the battery etc i got the green led to come and when i turned the phone on i got a short vibration and green led but nothing else.so tried updating with seus and finally it seen my phone and told me my software was up to date so i tried to re-install but kept getting errors so still phone wont turn on and now green led does nothing.so cut a long story short i took apart the phone again and noticed the lcd had a line down the middle which seems like its cracked also.My question now is if the lcd is cracked would that be why the phone wont turn on i would of thought it would have came on but just had colours splurted all over the screen.Oh and just so you know battery is sitting at 3.7v so is well charged,im thginking the motherboard is gone,please advise me what to do next.
did she throw the phone at you coz you wrote her a letter without paragraphs?
lol,can you help me
lol not really
but it does sound like the motherboard is screwed. not sure how the 2nd screen got cracked tho.
Why haven't you taken the phone in yet? is it not on contract?
O.k., I agonised myself throug you post....
PLEASE make your first post easier to read, as there are several non-native english speakers here. (Like me ).
Can you please write something about what happened to the phone?
- Did it work fine before you repaired the touch module?
- Why was the old module defective (Did the phone fall down or did anybody sit on it).
- Is there some waterdamage?
The more information, the better....

Replaced the digitizer, Smartphone only boots when not in housing

Hi guys,
hopefully somebody can help me with the problem I have with my beloved HD2. I've successfully replaced the digitizer within my HD2. My problem is though, that the phone only boots when it's not in its housing. When I take the mainboard out of the phone's housing, the phone boots just like it should. But as soon as I put the mainboard back in, the phone doesn't boot, it only vibrates and then shows a black screen (with the backlight turned on).
Any ideas on this? I'm kinda desparate right now . Any help is highly appreciated.
Thanks in advance
propably bad used screen without scratches! happened same.. just digitizer dont working when in housing..
HD2
HD2 the best of the best
May a bad cable connection be the reason?
Or a slack joint?
- Discover "Bosnian Pyramids" on you smartphone and tablet devices;
hi
hi i too have the same problem i spent 3k to change its display and touch pad and now he sasys theres a problem with a strip and demanding 1k . now i feel like thrashing the phone . dies any body know the solution for this ... it boots magldr and then showsup android logo and restarts this is what it happens continuosly

samsung j5-00f shows charging but it doesn't ...

Hi folks,I am using samsung j5-00f model.
I am facing the following problems
1.mobile not charging (although it shows charging)
2.As I was saying "It shows charging".. it behaves strange.. it controls iself
...now as I remove/unplug the cable .. it still behaves strange(controls itself)...( untill I restart the device)
3.I have formatted the mobile... yet not charging
4.I have tested with a new battery ( yet it just shows charging but it doesn't) .. confirms that battery works good
5.tried different cables and chargers ( includuing original and trubo )
someone please help me ... I recently have had my mobile motherboard changed ... so I am kinda worried if that
happens again .... ( please let me know how far would this issue cost go if I submit it to a service centre...
do I really have to change its motherboard or might it just get fixed by changing the connector or port or ic
something like that..) ... additionally,using an extenal battery charger I came to know that the battery is working
fine...
please help me ... Thanks in advance...
guys , please help me ... let me know if some one faced the same problem and got it successfully repaired .... I am really worried that I might have to change my mobiles motherboard once again

Categories

Resources