[Q] Nexus 4 Red Light Indication - Nexus 4 Q&A, Help & Troubleshooting

Hello, forum
I dropped my Nexus 4 in water. I got a replacement battery to fix it, but it seems the motherboard was screwed too.
Initially, when I connected the charger after drying and cleaning the phone, I was getting a blinking red light. After a while (before battery replacement), it became a static red light. Finally, just before battery replacement, I got a red light for a second before nothingness.
After replacing the battery, there was no light. I then cleaned the motherboard with isopropyl alcohol. After some cleaning, I started getting a solid red light even with the fresh battery.
My questions are:
1. Is there are particular error notification system through the red light?
2. Is it possible that I have fixed my motherboard (just need to charge the phone now), or have I also screwed up the new battery?
Please help.
Regards
Raptor

Jumping in on your question
Similar question here.
I'm getting a red light only when the phone is charging and the screen is off. I was in PA last week and it was super cold and i noticed some slight condensation on my phone, other than that, no water or other damage.
The red light occurs on usb charging, wall charging, and on my qi charger, but again, only when the screen is off, the red light pops up.

Related

Trouble Shooting my Nexus One Issue?

I just picked up a Nexus One in Mint shape. Not a scratch on it anywhere def. has not been dropped in or exposed to water at all I know what to look for. It does respond but I get nothing but lights. Please have a look at my plug in results as listed and give me some input.
1. When I plugged it in last night I got a orange light in the earpiece screen.
2. Today when plugged into the wall or my computer I get a solid green light on the status led.
3. If I pull the battery and plug it in I get a quick orange followed by a quick green light.
The battery also does not get warm nor does it show signs of swelling. I'm trying to narrow it down to a bad logic board or Amoled/super lcd? Normally with a bad lcd in other phones you'll get a back light of sorts where in bright light you can still see the images. Possibly this isn't a characteristic of these. Also if I plug in this device or hold down the power button would it not automatically turn on. If so wouldn't I hear the boot screen or process and wouldn't it vibrate? I've never owned one so I'm not sure.
Nevermind I was told on Nexus forum to go with the old batt pull and it booted. Now onto the research for the cure.
That is the charging light. Green is full , the other color is for charging.
Sent from my Nexus S using XDA App

[Q] LG G2 Red Light No Power

Hi All
My friend recently gave me his LG G2 as it had a problem.
What happens is currently if you try and turn on the phone nothing happens. When you plug the phone into the charger the red led blinks and nothing else happens. He told me that he got the phone brand new off eBay and that the problem started after he left the phone plugged in overnight. No software modifications have been done to the phone prior to the red light issue.
After some investigation into the issue i found nothing except another eBay listing with a LG G2 D802 where the guy got water into his phone and it has the exact problem where the phone does not turn on and a red light comes on when attempting to charge the phone. The eBay listing also says that the phone was seen by a service technician who said the circuit board was damaged but is repairable
Before i spend any money buying spare parts does anyone have any idea on what the problem is and whether its worth fixing?
Thanks
Could it be that the motherboard got damaged?
I don't think the mother board got damaged. I had the same problem with both my G2's. (D800 and LS980)
I had changed the motherboard from ls980 to the d800, I connect everything, LCD, digitizer, battery,front and back camera ..etc..
I go to try and power the phone up but nothing happens..
I go to plug in the phone.(Nothing happens)
I use another charger(nothing happens.)
My phone wasn't water damaged though. In your case you could open up your phone and disconnect the battery connector, After about 1-3 minutes connect it back & leave phone alone.(don't try to power up)
I had a problem with one of the phones not having the red LED light coming up to tell nevit was charging. I switch the battery to another bezel & motherboard & it shows 40% battery level.
It definitely worth a try to open your phone & disconnect and connect the battery if the phone was charging one night.. I remember seeing a forum on here that the phone might be still on charging mode or something.
Sent from my LG-D800 using XDA Premium 4 mobile app
Hi,
I have the same problem, the only sign of life is a red flashing led when I try to charge it up.
My lg g2 (D802) did get water damaged tho, however I don't think it has been damaged that bad. When I found it in the watery environment it still worked, but it was quite warm. First hour or so I put in in a towel, because I wasnt home. When I got home I discovered it was dead. Then I put it in rice for two days, but now this problem occurred.
I reconnected the battery (twice) but it didnt change a thing, and now it still won't boot up...
Hopefully someone can help me (or sees this at all),
Thanks in advance
I have the same problem with my G2. I changed the motherboard after it got water damage but nothing else changed. what should i do?
Solution for blinking red error
Hello Guys,
I have the same problem like you others. 8 times red blinks, phone won't charge, PC won't recognize it, dead at all. But I found the solution. There is a short circuit on the moterboard. That can be LCD, digitizer, buttons or anything other. I have unpluged digitizer connector and BOoM!, connected it to charger and turn on with power button. So you guys can test what's making problem on your MB, it can be anythinhg. I hope that will help to someone.
Sorry for bad English.
same thing here
I have an LG G2 that I recently replaced the batter (ordered from ebay). After the install, the phone just blinks the red indicator light. When I hold the power button, it blinks 8 times, pauses then starts over again blinking 8 times and pausing. Please help.
Lore4321nz said:
I have an LG G2 that I recently replaced the batter (ordered from ebay). After the install, the phone just blinks the red indicator light. When I hold the power button, it blinks 8 times, pauses then starts over again blinking 8 times and pausing. Please help.
Click to expand...
Click to collapse
I have the exact same problem. recently bought a new battery, because my original one is increasing in size (very strange) and decreasing in power.
When i put in the new battery the phone doesnt work if i try to turn it on. When i connect the battery to the charger its just the blinking red light...
OrtizG33R44d0 said:
I don't think the mother board got damaged. I had the same problem with both my G2's. (D800 and LS980)
I had changed the motherboard from ls980 to the d800, I connect everything, LCD, digitizer, battery,front and back camera ..etc..
I go to try and power the phone up but nothing happens..
I go to plug in the phone.(Nothing happens)
I use another charger(nothing happens.)
My phone wasn't water damaged though. In your case you could open up your phone and disconnect the battery connector, After about 1-3 minutes connect it back & leave phone alone.(don't try to power up)
I had a problem with one of the phones not having the red LED light coming up to tell nevit was charging. I switch the battery to another bezel & motherboard & it shows 40% battery level.
It definitely worth a try to open your phone & disconnect and connect the battery if the phone was charging one night.. I remember seeing a forum on here that the phone might be still on charging mode or something.
Sent from my LG-D800 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I'm having the exact same problem...working ls980 phone using to restore my D801 motherboard....but have no power.
When I plug the ls980 board back in it works again. Last time my D801 board red led blinked 2x but wouldn't startup with its own battery. How did you fix it?
It is the battery. either the cable is ripped or the battery is at 0 volts I've just tested this on my LS980 using my analyzer to fully charge a battery externally to 100% made it work fine, please check the battery cable its very thin and very easy to rip without knowing it. (I work at a battery store) Hope this helps some of you!
A solution for 8 Red blinks:
If you have 8 Red blinks when you change the screen the Solution is:
The two metal joints from two small boards (besides volume and power button) that connect to the motherboard they should be completely attached to the connector.

[Q] Red light after screen replacement

Hi Guys,
Read a lot of posts about the red light of death but not had any joy as yet.
So screen cracked, I got a replacement and changed it, got the flashing red light and after quite a few hours of changing that would randomly stop the phone started up fine and I got everything working. Phone was still on about 75% change after some usage so that night I left it connected to wall charger and when I woke up in the morning it had the solid red light of death. I have since opened it up and disconnected batt for a few seconds and connected it back up without the screws (some posts suggested it was too tight with the screws?) and still nothing, only other thing I can think is the back cover has a slight gap on the top left hand corner. I know it is supposed to be flush but I didnt think such a small gap would cause red light of death?
I'm not sure if it is bad battery (did take a very long time to charge when I did get it up and running after screen replacement) or if it is back cover. Any suggestions on how to diagnose the problem?
Cheers
Seenan

[Q] N4 Steady Red Light despite new Battery - Data recoverable?

Heyas guys,
I had my N4 on charge overnight, woke up to the alarm i set but as soon as i touched my phone it turned off and wouldn't turn on again.
on charge it showed a steady red LED. i realised that the charging cable had its D+ and V+ (Green and Red wires) broken so i assumed the battery had just reversed its flow of current and drained.
I tried all the button combos to no avail, so i ordered a NEW battery and replaced it just then.
still no boot, steady red LED on charge.
Any Solutions? (i've searched)
and any way of getting the data off somehow?
thanks!

[Q] NEXUS 4 WATER DAMAGED? PLease Help

Hello everyone,
I was going for a swim in the pool three days ago and have forgotten to put my Nexus 4 in my duffel bag. The phone was submerge along with my swimming short for over 30 seconds :crying:. I dried off the phone, opened it up to removed the battery, and dried it off with a hair blow dryer for five minutes continuously. Then I put my phone in a bowl of rice. Its been two days hoping that the moisture is gone, I plugged it to a wall charger and have gotten the "blinking red light of death". Next, I removed the battery and charge the phone with out it, giving me a boot loader screen with the green android and the Google logo. But putting the battery back and turning it on only giving me that annoying blinking red light. I hope all the phone component is still good. So at this stage can you guys tell me if the battery is dead and would purchasing a new battery resolve this issue? Any input to resolve this red blinking light would be helpful, thank you for reading.
This worked for me:
http://forum.xda-developers.com/nexus-4/general/final-fix-nexus-4-red-light-death-t2250454
tommyga said:
This worked for me:
http://forum.xda-developers.com/nexus-4/general/final-fix-nexus-4-red-light-death-t2250454
Click to expand...
Click to collapse
I have charge twice and installed the battery back and still get the blinking red light. As you have done this before, how did you go about doing it? Was the battery suppose to be "hot" when its being charge? Did you soldered the charging cable "hot and neutral" to the battery positive (+) negative (-) as shown in step 7?
dante510 said:
I have charge twice and installed the battery back and still get the blinking red light. As you have done this before, how did you go about doing it? Was the battery suppose to be "hot" when its being charge? Did you soldered the charging cable "hot and neutral" to the battery positive (+) negative (-) as shown in step 7?
Click to expand...
Click to collapse
I'm not sure the battery was hot during the process #7..
I took some old phone charger, cut the two wires apart (the positive and negative), and just made them touch the relevant spots on the battery (no soldering was made).
Did you wait more than 15 minutes during this charging?
tommyga said:
I'm not sure the battery was hot during the process #7..
I took some old phone charger, cut the two wires apart (the positive and negative), and just made them touch the relevant spots on the battery (no soldering was made).
Did you wait more than 15 minutes during this charging?
Click to expand...
Click to collapse
Thanks for your reply. I also used an old lg charge with the right amount of Voltage ouput. I think it was 5 Volt or something and just split the cable, made it touch the relevant spots and used it electrical tape to secure the the charging charging cable making sure that the wire made contact with the positive and negative spot. Im not sure which cable was positive or negative, so I had to swap cable around and recharge every 15 minutes trial. I know my connection looks messy but thats the best i could do to make sure the make contact at the charging point on the battery. Is this how you do it? lol
[/ATTACH][/ATTACH][/ATTACH]
Basically it seems fine.
There are two more things I recommend trying:
1. Try charging it for 30 minutes.
2. When plugging the battery back, just plug it, and don't screw the two screws of the battery.
Try these two things - and keep updating if the red light still shows
tommyga said:
Basically it seems fine.
There are two more things I recommend trying:
1. Try charging it for 30 minutes.
2. When plugging the battery back, just plug it, and don't screw the two screws of the battery.
Try these two things - and keep updating if the red light still shows
Click to expand...
Click to collapse
I have tried charging twice with 30 minutes cycle on each attempt, and have installed the battery back to the phone without the screw of the battery. I tried turning the phone on by holding down the power button for 10 seconds, but there was no Google logo splash screen. The same thing happen on my second attempt, no Google or boot-loader screen. I plugged in the wall charger and let it sit for over two hour and still cant turn it on, only the blinking red light. Removing the battery, charging directly from the cable, and holding the power volume button down at the same time gave me a boot-loader screen and Google logo but the phone immediately shut off. Any ideas what else I could try? Could you tell me about where my phone is damage base on the picture from my earlier post?
If you see Google's logo, your phone can run fine. The problem is probably the dead battery. Consider replacing it with a new one.
sky0165 said:
If you see Google's logo, your phone can run fine. The problem is probably the dead battery. Consider replacing it with a new one.
Click to expand...
Click to collapse
Thanks i just order a new one yesterday, just thought I give it a shot instead of buying a new phone. Lets hope its as you say. Thanks for your input.
Ordered a new battery, and it booted up fine. The important thing is that the blinking red light of death is gone so far.. thank goodness! Looks like the battery shorted out when my phone was submerge in the water. There is one small yellow streak line on the bottom right of the screen now but I can live with that. Glad nothing else is damage Thank you for all of your help! Cheers!

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