Gentleman, my optimus g is showing some really strange behavior. If the battery is fully charged, or above 60%, it works flawless, after it drops below that, there is a chance that the power button will start locking in the pressed down position. After this happens, it is a no come back, the phone keeps bootlooping until the battery goes dry. At first I thought this was a problem with the battery, I got It replaced and the problem persists. I am starting to think this is a problem with the power button flex cable, and I was wandering if anyone knows how to replace it. I've replaced cell phone's screens and such, I have taken the motherboard out and found the flex cable, but I am not sure how to remove it, as it seems that it is firmly glued to the chassis. If anyone could give me some suggestions I would appreciate it, thanks
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My S3 is on stock ROM.
I've been having an issue of endless reboots, so I googled the issue and came upon removing the power button thinking my problem was due to a faulty power button. I did so in removing the power button, but the issue is still present. It doesn't have an endless reboot anymore, but just doesn't stay on once it's unplugged from a charging source (won't even stay on when charging through my computer, only an outlet).
I honestly can't figure out what the real issue could be since removing the power button did not solve it. Battery? Faulty part on the logic board? I am pretty baffled and any help would be appreciated.
So, yesterday, I accidently dropped my phone... again
I noticed minutes after that the power button of my DX wasn't working. I tried to remove the case, and click on the real power button... Was broken too.
I said "ok I'll let the phone charging so the screen will stay on"
Today I tried again to remove the case, to see if I can still try to find a way to click on the power button.
And the battery dropped... again
Now, I'm stuck with this unfonctional Desire X. The phone is totally SHUTDOWN, and I can't boot it without the power button. Is there a solution to this issue since my problem doesn't seems to be rare?
JustElisha said:
So, yesterday, I accidently dropped my phone... again
I noticed minutes after that the power button of my DX wasn't working. I tried to remove the case, and click on the real power button... Was broken too.
I said "ok I'll let the phone charging so the screen will stay on"
Today I tried again to remove the case, to see if I can still try to find a way to click on the power button.
And the battery dropped... again
Now, I'm stuck with this unfonctional Desire X. The phone is totally SHUTDOWN, and I can't boot it without the power button. Is there a solution to this issue since my problem doesn't seems to be rare?
Click to expand...
Click to collapse
I actually tore the felx cable that goes to my power button.
You can buy new flex cable that holds SD and SIM cards and has the power button. Its about 8 dollars on ebay, shipping included.
http://www.ebay.com/itm/Sim-Card-Me...063?pt=LH_DefaultDomain_0&hash=item2a3205911f
In the meantime this is what you can try:
- remove battery and put it on charger. Why on charger insert battery and maybe it turns on. If it does, install and set up Gravity button tool. You can wake your phone with proximity sensor.
- try a nail file to gently scrub the plastic coating off the thin cable that runs to the power button. BE PATIENT! Dont use too much pressure or you will wrip it. You should see 2 copper lines running in parallel. If you see them, use something metallic to short circuit it. (I use the blade of a pocket knife or scissors). Hold it there long for power on, shortly for wake and lock screen. You can easily access the cable by just lifting the power button off the case with a thin blade. Be gentle.
Other thing: anyone has an idea if the flexcable from the dual-sim version would be compatible with the single sim motherboard? I mean, is the only difference between the single sim and dual-sim version that the flex cable is different?
Has anyone seen a dual-sim flex cable for sale online?
Sometimes, especially while playing a game, the tablet will go to a white screen and make a very loud beeping sound until I hold the power button and reset it. Has this happened to anyone else and is there a fix?
Sent from my Nexus 9 using XDA-Developers mobile app
Billabonged said:
Sometimes, especially while playing a game, the tablet will go to a white screen and make a very loud beeping sound until I hold the power button and reset it. Has this happened to anyone else and is there a fix?
Click to expand...
Click to collapse
Battery issue more than likely. Battery probably below 40% or more right? The fix I've found works (had this issue before) was to remove the back cover, disconnect the battery cable, reconnect and reassemble.
I noticed it a few more times and it is always when the battery is under 40%. I'll try to disconnect the battery cable. Thanks!
Yes, this is a notorious problem with the N9; there a couple of threads on it. The cause has been narrowed down to either a faulty motherboard or a deteriorating battery (as dictionary mentions). Regardless, its a hardware failure that you'd be hard pressed to fix yourself (I don't think anyone even makes a replacement battery for the N9).
If you can get warranty repair/replacement on your device, do it. Otherwise, follow dictionary's advise.
I've had this problem several times. Previously I had a charging issue, under warranty the mainboard was replaced. A long while after that the problems with scrambled screen and loud noises started. I then disconnected the battery, and reconnected it, and the problem went away for a long time. But it has returned and even returning more often.
So I ordered a replacement battery via ebay (straight from China), and yesterday I finally found some time to replace it. First thing I noticed the tablet is more responsive, snappier.. It hasn't discharged enough to reproduce the problem, but I had trouble lately with updating apps when it wasn't on the powersupply, which convinced me it was a faulty battery. Now it's updating without charger no problem at all.
2,5 weeks after replacing the battery, and the problem did not come back. I'm happy with it.. pretty easy fix..
Hello,
I have been struggling to find a solution for months now. My problem with the LG G5 started when it complained about the bottom cover. Every now and then it would show a screen that the bottom cover is not plugged in correctly. By unplugging and plugging it a few times the screen would go. Eventually, although I am not sure if it is related, the phone stopped turning on. When the USB cable is plugged in I get a screen showing the battery is at 0% and the red LED flashes as well.
I have tried the following:
1) Replaced the battery
2) Replaced the bottom cover
3) Inspected the logic board and cleaned it with a PCB cleaner.
Note that the phone had no contact with water.
I would really appreciate it if someone knows what could be the fault.
Many thanks
S9 plus 64gb
Hi all, was hoping someone could help.
I have recently, last month, changed the battery, so I know it's not the battery. When I plug in a charger the phone is unresponsive, drawing only 0.05amps. if I leave it over night the green led will light up and when I press the power key the screen says 100%. When I try to boot there is no response. I have tried
Power +vol down
Power +vol up
Power +vol up +down
Power and all buttons
For about 30sec but still no boot or anything. I'm thinking maybe fried board, but was hoping software issue. Is there anything i could try to boot it?
Many thanks
Possible that a connector came loose?
Make sure no foreign conductive debris was accidentally introduced... a small loose screw. Check that all screws are in place in the assemblies.
Is the power switch good?
Hi thanks for the reply, I checked there's no loose or foreign object near the charge port. When I assembled the phone all screws were replaced so no loose screws. When the phone is charged ,ie green led I press the power button and the phone activates the screen to display 100%, this tells me the power button is working. Do you have anymore suggestions would be helpful. Many thanks.
charliecheung81 said:
Hi thanks for the reply, I checked there's no loose or foreign object near the charge port. When I assembled the phone all screws were replaced so no loose screws. When the phone is charged ,ie green led I press the power button and the phone activates the screen to display 100%, this tells me the power button is working. Do you have anymore suggestions would be helpful. Many thanks.
Click to expand...
Click to collapse
If it won't go into the boot menu it's not looking good. Try a hard reset.
The subassemblies when out of circuit are susceptible to ESD damage. Handle these like a stick of ram particularly the mobo and display. At the very least raise room humidity to 50% and wear all clothes. In addition a earth grounded ESD mat and wrist strap are recommended as are following ESD protocols.
Otherwise you may or may not get away with it.
Hi thanks for the help. Yh the problem occurred during normal use. How would I do a hard reset if no menus are displaying? Many thanks.
charliecheung81 said:
Hi thanks for the help. Yh the problem occurred during normal use. How would I do a hard reset if no menus are displaying? Many thanks.
Click to expand...
Click to collapse
Pull battery connection.
Recheck all ribbon connectors while you're at it.
Yep done that still the same. No response. Guess the main board maybe fried.