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Hey there. I have my Galaxy S II (GT-I9100) for about a month, and since a couple of days ago it has been behaving very weirdly about USB and charging.
First of all, the phone thinks it has USB connected at all times. When I go to the settings menu try to enable mass storage it says USB is already connected, even though it isn't!!!
Sometimes when I start the phone it goes to that USB Kies screen and says "connected", when absolutaly no cables are connected AT ALL!!!
When I turn the cell off, remove the battery and plug it back in, without turning the phone on, the recharging battery icon appears, but blinks with a drained battery icon with a yellow exclamation sign and a thermometer which I sincerely have no idea what that means.
It also takes ages to recognize the power charger or when I really connect the USB cable. And finally, when I take them off, it also takes a while to "perceive" they're off and remove the charging lightning from the battery icons.
PRETTY PLEASE, SOMEONE HELP ME OUT, as I don't have time to take the phone to service, and didn't really want to do that
Thanks!!!
This has also happened to me and loads of other SGS2 users! Although usually it only happens sporadically and not constantly. It seems that it's a bad soldering job or dust/dirt has gathered in the microUSB port. You might be able to fix it, if you're *really* careful.
Quote from another thread;
JaX3RiR said:
Last night my phone wouldn't even start charging, so I decided to take matters into my own hands. With the smallest screwdriver I could find, I carefully 'lifted' the tiny PCB in the USB jack while blowing in at the same time. Sure enough, some sand particles fell out, and I haven't gotten carmode'd in nearly 13 hours now. Previously it would do it once every 15 minutes. So far so good, it seems.
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Thanks for the help... but what is PCB? Is it the connector inside the "hole"?
Tried that and it stopped thinking USB was connected the whole time... on the other hand, it doesn't detect when I connect the USB cable
Lets try keeping 1 thread
Therere are other threads about it.
Read here:
http://forum.xda-developers.com/showthread.php?t=1132588&page=2
StupidIdea said:
Therere are other threads about it.
Read here:
http://forum.xda-developers.com/showthread.php?t=1132588&page=2
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Click to collapse
You can't talk on plural when you only point out one thread. And I've read that, but it isn't the same as my phone doesn't go in "car mode".
My phone's problem only resembled a problem JaX3RiR briefly mentioned in the middle of the thread.
I tried googling it before posting anything anywhere, but couldn't find anything useful.
Please don't try to look like a smartass like that and embarrass yourself. If you got nothing to add to the thread, it's best if you sit out of it. It's much more appreciated when helpful people like JaX3RiR post...
Hi,had the same problem,tried reflashing back to original firmware,but still had the same problem,,the only way i could boot the phone was through recovery mode,(reboot)Had to send phone back for possible repair??cut a long story short they sent me a new phone,,They said they couldnt repair the fault,something to do with the usb charging system,,So i would advise anyone with this specific problem,to send phone back,and get a replacement..hope you get it solved
Thanks mate, I sent mine today as well... I hope they act the same with me, as I'm afraid customer service around here always tries to incriminate the user not to use the warranty...
ghnogueira said:
You can't talk on plural when you only point out one thread. And I've read that, but it isn't the same as my phone doesn't go in "car mode".
My phone's problem only resembled a problem JaX3RiR briefly mentioned in the middle of the thread.
I tried googling it before posting anything anywhere, but couldn't find anything useful.
Please don't try to look like a smartass like that and embarrass yourself. If you got nothing to add to the thread, it's best if you sit out of it. It's much more appreciated when helpful people like JaX3RiR post...
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There is no reason to be angry, I'm just trying to help, and just wanted that we all post in one thread, so it would be easier to track later.
I just posted longest thread. Here is another one if it helps to justify:
http://forum.xda-developers.com/showthread.php?t=1151863
I'm pretty sure you have the same problem. Sometimes Vlingo starts, sometimes phone thinks its charging, when trying to boot it shows battery image and won't boot, can boot only recovery and do restart from there.
Get of the high horse when people are trying to help you.
Are you sure you didn't connect USB cable upside down or bended USB port with the cable?
I have no idea what Vlingo is, and obviously I didn't connect the USB cable upside down. I don't think I bended the port with the cable since it still recognizes the cable for charging or booting and going directly into Kies mode, for example.
I am not on any high horse when people try to help me, as you could see my response towards the guys above. Your post wasn't sounding helpful at all, you were just sounding like "hey, you dumass noobie, don't open a new thread for yourself, check the forums first".
By the way, I also took a look at that thread you posted before posting mine, but I have no idea what is "car mode" on my phone...
Sorry if I sounded rough. I thought it is similar issue, so I posted link to longer thread. I had this issue myself.
Peace. Let us know what the service say .
This happened to me one week ago while on holiday....that temp indicator while charging plus the other stuff you mention....
Plus the phone went into flight mode and won't come out....
Got home and did a reset and phone now doesn't recognise sim card...
great phone but I'm a little disappointed
stevee1953 said:
Hi,had the same problem,tried reflashing back to original firmware,but still had the same problem,,the only way i could boot the phone was through recovery mode,(reboot)Had to send phone back for possible repair??cut a long story short they sent me a new phone,,They said they couldnt repair the fault,something to do with the usb charging system,,So i would advise anyone with this specific problem,to send phone back,and get a replacement..hope you get it solved
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Hello,
Had the same problems aswell, only mine had a bunch of other problems aswell:
When I shut down my mobile it restarts itself and then shows a yellow exclamation mark with an tempgage. Only way to turn on my phone is to connect it with the charger, turn of my phone again, remove the charger and then the phone turned itself on again but without the temp gage.
My phone also thinks its charging when it is not, and when I am actually charging it, its not charging.
Also my PC does not recognize my phone so I am not able to update it.
I have also sent my phone for a repair, I will keep you guys posted.
greets from the netherlands
Yep, mine only got fixed by going into service. It got its mainboard warranty switched.
T- Mobile sent me a replacement phone
They seemed to know the symptoms when I explained what was happening
Same fault for me. Mainboard replaced, works fine now.
Sent from my GT-I9100 using XDA App
How did you guys get it fixed? Did you have to ship the phone out somewhere? How long did you have to wait to get it back? What was the process?
Thanks.
Mine is going to be repaired in two weeks.
I was the 8th SGS2 since tuesday which came in the repair center.
The repair guy said it is a manifacturing fault.
The phone gets hots, and outside temperature is cold, so it makes moisture in the phone.
This cause the phones power management to get fu up (SGS2 has a small battery inside of it, and that gets fu up). Only fix is replace hardware, but 9 of 10 times Samsung gives the fault to the customer. They say it has water damage and can't be fixed in warrenty...
I'm going to write a huge article about it, and I hope it will get published by a lot of site's soon. Phones he admitted having the problem: SGS1, SGS2 and SGSN.
I charged my GS2 2x by USB and it's discharged faster than by the sector
The USB power isn't enough for charge up the GS2 correctly
Are you guys suffering from rapid battery discharging, i have all of the above symptons but my battery drains within hours...I`ve even bought a brand new battery off ebay that is exacly the same issues... I`d like to send it back to O2 but i`ve rooted and flashed custom firmware...
I have read all articles on this forum regarding all issues but none seems to have been of any help. My nexus isnt powering up. When i Plug it in to power, it doesnt show any sign of charging but the back gets warm indicating that power is actually going in. I have tried long pressing for over 1minutes and still the same thing. No response of any sort. I was hoping there should be something that can b done to it like re-running the os like i did my LG optimus when it had the same issue. Please i need help. I have tried all the options of pressing on the site and none seems to help.
Did you check my thread...
http://forum.xda-developers.com/showthread.php?p=36493547#post36493547
If not, give it a look.
-bk
billykxda said:
Did you check my thread...
http://forum.xda-developers.com/showthread.php?p=36493547#post36493547
If not, give it a look.
-bk
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Thanks for your response. Really apreciate it. I have checked the battery of my nexus to be sure its well seated and it is. I even changed the battery to a fully charged one and its still the same thing. Since day one it never came on. I have long press for over 2minutes and still nothing. Is there any other thing i can try cus i can send it back to google as my aunt got it for me when she travelled to USA some weeks back and any chance of returning is zero
Sorry if this has been posted before I did a search and was not able to find any threads that offered a fix for my issue. My nexus 7 turned off randomly and won't power on. My computer recognizes it but shows "unknown device" now. I have tried plugging it in overnight and am unable to access recovery or the bootloader. I don't believe it's a screen issue because it used to be recognized by my computer as a nexus 7.
Are there any other fixes I can try? I was thinking of going through ADB but don't know what commands I would run.
Thanks in advance
hoponpop said:
Sorry if this has been posted before I did a search and was not able to find any threads that offered a fix for my issue. My nexus 7 turned off randomly and won't power on. My computer recognizes it but shows "unknown device" now. I have tried plugging it in overnight and am unable to access recovery or the bootloader. I don't believe it's a screen issue because it used to be recognized by my computer as a nexus 7.
Are there any other fixes I can try? I was thinking of going through ADB but don't know what commands I would run.
Thanks in advance
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Click to collapse
Hi, hoponpop...
ADB won't help you unless you can get the device to fully boot.
A few questions....
What was the battery state (ie, percentage wise), before the device 'died'?
When you plug the Nexus 7 into the charger, do you see the WHITE-ON-BLACK battery charging animation?
Have you tried... long pressing the Power Button? (about 20 or 30 seconds or so).
Rrgds,
Ged.
hoponpop said:
Sorry if this has been posted before I did a search and was not able to find any threads that offered a fix for my issue.
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Click to collapse
Really? There is like a hundred posts on this issue. See my post at end & reply.
http://forum.xda-developers.com/showthread.php?p=46006020#post46006020
GedBlake said:
Hi, hoponpop...
ADB won't help you unless you can get the device to fully boot.
Couple of questions....
What was the battery state (ie, percentage wise), before the device 'died'?
When you plug the Nexus 7 into the charger, do you see the WHITE-ON-BLACK battery charging animation?
Rrgds,
Ged.
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Click to collapse
The battery was at about 60% before it stopped responding, and there is no charging icon while plugged in. It doesn't really get hot or anything either
Sent from my Nexus 4 using xda app-developers app
hoponpop said:
The battery was at about 60% before it stopped responding, and there is no charging icon while plugged in. It doesn't really get hot or anything either
Sent from my Nexus 4 using xda app-developers app
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The lack of the WHITE-ON-BLACK battery charging animation does not augur well for your Nexus 7, as this animation is part of the bootloader. If the bootloader is dead, effectively the device is dead (hardbricked)... unfortunately.
Quite why this should happen is anybodies guess... but it seems to happen with tiresome frequency. This sort of thing, for example.
But don't give up hope yet... other than a corrupted bootloader, there are other things that may be the cause of your problem.
Have you taken a look at the link referenced by @OffcerClancy above?... also this link is worth a look.
Hope this is of some use, and you get everything working again soon.
Rgrds,
Ged.
GedBlake said:
The lack of the WHITE-ON-BLACK battery charging animation does not augur well for your Nexus 7, as this animation is part of the bootloader. If the bootloader is dead, effectively the device is dead (hardbricked)... unfortunately.
Quite why this should happen is anybodies guess... but it seems to happen with tiresome frequency. This sort of thing, for example.
But don't give up hope yet... other than a corrupted bootloader, there are other things that may be the cause of your problem.
Have you taken a look at the link referenced by @OffcerClancy above?... also this link is worth a look.
Hope this is of some use, and you get everything working again soon.
Rgrds,
Ged.
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Click to collapse
I tried all those suggestions. I'm considering a warranty return, but am still looking for some other stuff to try. Would there be any way to flash a new bootloader if that is the issue?
hoponpop said:
I tried all those suggestions. I'm considering a warranty return, but am still looking for some other stuff to try. Would there be any way to flash a new bootloader if that is the issue?
Click to expand...
Click to collapse
I opened up the Nexus7, removed the Battery cable, waited 3 seconds then reconnected it, und charged it overnight and it was ok after that, I read this solution on a german website, worked for me...
hoponpop said:
Sorry if this has been posted before I did a search and was not able to find any threads that offered a fix for my issue.
Click to expand...
Click to collapse
Hey - try the #1 sticky at the top of the Troubleshooting forum. Not too hard to find. It directly addresses your issue, and offers the fixes.
Here's a link.
Do yourself a favor and read through, and perform the fixes in the OP. If those don't work, there are a few new "fixes" offered by forumites in the thread that have yet to be proven as repeatable. The fixes in the OP work in almost every case.
Hope this helps!
-bk
Bad USB Port
My device has a loose USB port, which prevents it from charging unless you hold the charging cable in a specific angle. The fix would be to re-solder the connector to the system board, to secure the connection and allow it to charge the battery.
Running (was) a stock rooted N7 v1 on 4.3. Bought a data recovery tool off of the play store to try and recover some photos I had deleted. At some point it rebooted into safe mode, my battery was running low and I shut it off to let it charge. Now it's dead in the water. Stuck in APX mode. I am asking if there is anyway to breathe life back into this tablet.
The tablet does nothing on the screen, period, no matter what you do. When plugged in to a computer it sometimes registers as an unknown device, sometimes APX. None of these get you anywhere. Toolkits on these forums won't recognize the device, installing the android development kit and drivers does nothing, executing commands from the command line is worthless because the device won't register. I do not have any "blobs" and have no clue at this point even what they are or what they could have done for me had I made them.
I've searched this forum and found bits and pieces here and there and wanted to start a thread dealing solely with devices stuck like this and what has or hasn't worked and get others input if warranty service was done and the state your tablet was in when you sent it in (locked/unlocked, rooted etc).
Anyone stuck here will have probably tried the same things as I have but here is is a minor rundown...
1) Every button combo press known to man for short, medium, and extended periods of time.
2) Charging with the Original charger/cable for 1 hour, then button presses then charging for 12 hours.
3) Same as above but with different aftermarket chargers at different amperages.
4) Uninstalling and deleting drivers. Trying different drivers. Getting the Android drivers etc.
5) Trying every toolkit on the forums to no avail because the device won't register.
6) Checking to make sure the battery cables are seated correctly.
7) Screaming and yelling at your new paperweight.
My hope here is that I've missed some important thread about recovery and someone can point me in the right direction. Failing that, if I should get a new mobo or try and send it in for warranty service in the state it's in.
Any help would be much appreciated.
Sent from my Rooted Frameworked SCH-I545 using xda app-developers app
I don't know what you tried before to revive your tablet and what the tool did to get you into this state, but generally APX mode can be left by pushing the power button *only* for about 10-20 sec, as long as there us enough power within your battery and the hardware / software is working / consistent.
Sent from my Nexus 7 using xda app-developers app
I don't think I've ever seen anyone in here describe a situation where they observed the tablet in bootloader mode without seeing *something* on the screen.
And as you found out through your reading, using "nvflash" on the N7 is only useful at this time for folks that made prior disaster recovery preparations. So, APX mode is of no use to you (at this date 12/2013).
So, until you see something happen on that screen, drivers on a PC are of no value to you anyway.
It is really unfortunate that the N7 doesn't have a physical charging indicator - that makes it difficult to distinguish between a tablet which is truly borked vs. one that refuses to boot simply because the battery isn't charged.
Holding down a specific button combo (iirc Pwr+VolUp) during an attempt to get "something, anything" to happen will put the tab into APX mode, so it isn't particularly diagnostic that you have observed APX mode once or twice.
Really about the only way to know if the battery in a non-responsive N7 is charged or not is to put it in another tablet or measure the open-circuit voltage. (About 4.15v fully charged & about 3.5v discharged)
The reason that I mention this is that there have been a few reports from users in similar straits as you that report something like "I don't know what happened, but I tried it a few days later and all of a sudden the tablet booted up". Almost every one of those reports involved mentions of low battery conditions, just as your narrative does.
I don't know what file recovery program you used, but I suspect that is a red herring . It might have to have root privileges in order to read raw partitions, and might even want the tablet in safe mode to minimize write activity by *other apps* while it does it's forensics, but it certainly isn't going to recover files by writing in raw mode on a mounted, live filesystem - it would do all it's writing through normal kernel syscalls. That's the long way of saying that a low battery is more likely to be the original source of your troubles.
So what to do now? I think the first order of business is to figure out if your battery is charged or failing to take a charge. If it really is well charged, then a warranty return is probably in your future.
If you can't find a second N7 or a voltmeter, then you could try just leaving it on the charger for a couple of days... but that really is just a "grope about in the dark, wing & prayer" kind of strategy.
good luck
Button sequences & USB Identifiers (VID/PID pairs):
http://forum.xda-developers.com/showthread.php?t=2133986
You are in the same situation I was in - nothing shows up on screen. I got APX drivers to finally install (had to search all over the internet to find them) and that STILL didn't help. I was never able to get it to come back. Nothing ever showed up on the screen.
No combination of button presses helped. I finally gave up and, since my N7 was still under warranty, I RMA'd it back to ASUS. It took about 3 weeks, but I got it back with a new motherboard installed on it.
It was borked and your's sounds the same way as mine. Just either register your N7 on the ASUS website and RMA it that way, or call it in over the phone and RMA it that way. Hopefully, you still have the box your N7 came in because you'll need the serial number.
Others have stated you can get it by opening the back, but that will void your warranty. I do believe you MUST have the serial number, so find the box and get it from there.
Also, you'll definitely lose everything that was there, especially if they replace the motherboard. So hopefully, you backed it up. I backed mine up just before it got borked, so I was lucky.
Good luck!
I am wary of trying to do the battery swap. I went and bought a new version after it crashed but I would be voiding both warranties to try the battery swap.
I do have the serial number if I want to try and get service.
I have done some reading about "deep discharge" battery issues and I suspect this may be a part if it but I have tried leaving it plugged in for days and nada.
I don't know if there is a way to "shock" or jump start the charging process and I am going to put the multimeter on it tomorrow and see what I get.
Thanks for everyone's input. I will keep you up to date.
Sent from my Rooted Frameworked Verizon Galaxy S4 on MJ7 using the XDA App.
I've got a Samsung Galaxy S5 and I'm having this issue where several times a day the phone just shuts off. I'll go to pick it up and it's not on, and it won't turn on until I plug it in to power and wait for it to show the battery charge display.
I've taken the battery out and put it back in several times, and I followed some guide to clear the cache... EDIT 1: I have also done a factory reset as well.
If I remember correctly this issue only started after updating to 6.0.1 and didn't actually happen on 5.
My first thought is to try and roll back, however is there anything that I should try before this...?
Appreciate any input!
PS: Complete newb with Android.
Kalyori said:
I've got a Samsung Galaxy S5 and I'm having this issue where several times a day the phone just shuts off......
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Click to collapse
I've never had this issue with my personal devices but, I had helped a few individuals with their devices spontaneously shutting off without warning.
I've found that 90% +/- of these problems ultimately stems from either one of the following.
1) The Power Button going bad by being worn out, loose or just plain sticking within itself or a worn bezel.
2) The battery beginning to go bad. The batteries going bad doesn't always reflect on the charge itself but, there's actually a small circuit board within them that talks to the device as well.
Out of the 2 above, I've run into more of the battery being the culprit than the power button.
I can't guarantee anything without physically looking at the device but, this is just my view as to my experiences.
Regarding this happening around the time you had updated your firmware, I believe that this is just pure coincidence. It's extremely rare for this to be tied to your Firmware without any firmware issues also being experienced.
I hope that this helps you out and I wish you the best of luck!
~~~~~~~~~~~~~~~
I DO NOT provide support via PM unless asked/requested by myself. PLEASE keep it in the threads where everyone can share.
Thanks a lot for your reply!
I'm no expert whatsoever but the power button seems OK from what I can see and feel. It presses in and makes a noticeable click and then pops back out.
I think the battery may be the culprit here. When it shuts down, I can't turn it back on -- removing and re-adding the battery doesn't help. Only connecting power helps.
I think I'll opt to purchase a replacement battery. I have no experience with this whatsoever -- what price should one expect to pay and do you recommend avoiding eBay? I don't want to buy a dodgy battery.
Kalyori said:
Thanks a lot for your reply!
I'm no expert whatsoever but the power button seems OK from what I can see and feel. It presses in and makes a noticeable click and then pops back out.
I think the battery may be the culprit here. When it shuts down, I can't turn it back on -- removing and re-adding the battery doesn't help. Only connecting power helps.
I think I'll opt to purchase a replacement battery. I have no experience with this whatsoever -- what price should one expect to pay and do you recommend avoiding eBay? I don't want to buy a dodgy battery.
Click to expand...
Click to collapse
I have very good experience with this battery, I have three of them and they have a very good capacity:
https://www.amazon.de/GadFull-EB-BG...Batterie-Grün-Weiß/dp/B01B80ZWXU?ref=ast_p_ep
Thanks for your replies guys.
I finally got around to replacing the battery (spent $50 AU on it so not a cheapie)... however the issue still persists.
Any ideas what it could be? The issue still occurs even when safe mode is on.
I have rolled back to 5.0. Hopefully this will fix the issue. If not, I'm going to try to root it with a new version.
Any thoughts on what kind of diagnostics I could run to try and figure out the culprit?
(Assuming the issue will persist.)