Hey people Ok basically I'm running PA at the moment. All was ok until I started playing baldurs gate while using a POGO cable. This made the tablet get VERY hot (105C it registered at one point). I think the battery is toast. It only works while plugged in. Sometimes it says 100% battery and will work without the charger but once you do anything load intensive it just flickers and dies. Would a new battery fix this or have I fried some circuitry. Apparently some capacitors dry up easily? Thanks guys
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I have a strange phenomenon. My battery only lasts a day so I plug it in every night. Yesterday, it was completely dead and I needed to use the black and red wire trick from a cut USB cord to charge the battery.
Everything was fine when I reinserted the battery and last night when I plugged it in the amber light came on ie it was charging and the little battery indicator said it was charging too. I turned the screen off, amber light was still on and I went to bed. This morning, I came downstairs to find the phone absolutely dead again.
I noticed the middle pin was bent forwards and have seen posts saying that this can be an issue, but I have not taken my battery out for at least a week so I am wondering if the middle pin really is the problem? I have straightened the middle pin and will try again.
Does anybody know if it could be anything else?
possibly as simple as a dead cell? ?? seeing as youve had to resort to the usb trick.
What kind of charger are you using? Usually when i use a non htc charger it doesnt work because it doesnt have enough current to charge it while its on. Maybe its the charger?
cmacia06 - its the standard HTC charger that came in the box. Also, which ICS Rom are you running and is it fully functional and worth un upgrade to yet?
Your might also want to check the pins to the battery compartment and make sure that they makeing good contact. Im running spartstars ics 1.4. It seems to be very smooth and little buggs. I guess the only real issue is thr camera not working. But other than that the rom is great. Just no flash player or youtube yet.
So yesterday, my old car's voltage regulator went haywire, and blew the car's main fuses after a couple of seconds.
I was charging my N4 during this incident with a cigarette lighter thingy and was holding aprox. 10% batttery charge.
The N4 is now 100% unresponsive. No amount of pressing any key combination for any amount of time does anything at all.
I have also tried charging it with a generic USB charger for a couple of hours, to no effect.
After that, I tried charging it with my computer's USB3 port for a couple of hours. This warmed up the phone a bit on the back, so it seems the ingoing current is doing something in there.
I am not getting a red LED indicator as most other people seem to be getting.
i fear something important was simply fried inside the phone, but I don't want to give up yet!
- Does anyone have any ideas what else I could try out?
- Are there maybe some small fuses inside the N4 that might be burned due to the voltage spike? Could I maybe replace or bridge them?
- could replacing the battery maybe revive the phone? If so, how could I test if getting a replacement battery will be worth it? Maybe temporarily wiring a compatible voltage to board?
http://www.reddit.com/r/nexus4/comments/29gkfj/usb_power_surge_killed_nexus_4/
Does this help?
LooieENG said:
http://www.reddit.com/r/nexus4/comments/29gkfj/usb_power_surge_killed_nexus_4/
Does this help?
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Cool! I must have missed that the USB charging stuff is on a seperate board when i stepped through the N4 teardown!
Do you know if wireless charging goes through this board, too, or would it be using a separate circuit - i.e. should I head over to a friend's and test if I get SOME reaction from the phone when wirelessly charging?
Also: what worries me is that, as i mentioned, the phone's back is getting quite warm when charging it via USB3, so I am afraid that the charge is actually getting to the battery (vs. being stopped at a burnt fuse)
Hi. My phone got wet in my jacket pocket while riding my motorbike. It was probably wet for an hour or so before I got home and started attending to it. Obviously as it was in my pocket it didn't get submerged or anything, but i still found water residue inside. I took it apart, submerged the motherboard in isopropyl alcohol for a couple of hours and then left it to dry. Today it is booting up however I have noticed a couple of problems.
The phone will not start up unless it is connected to a power source when I try to start it. It will stay on if i unplug it.
It won't charge. First time I booted it it said 41%. As soon as I restarted it had dropped to 17% and is now falling even when plugged in. It does claim to be charging when connected however.
The front camera looks like one of those face-morphing apps (Is there's water around the lens or something?).
It also feels quite hot around the top of the phone when it isn't doing anything.
The loud speaker is not working (fine, I'm guessing that's just a case of swapping it out).
Could the first two just be the battery or some sort of issue with the USB interface? Any ideas how to fix these issues? Thanks!
Clean your usb port. I sometimes clean it with 99% alcohol and a toothbrush when I got some moister damage.
When you charge it, check battery stats and see if it says that it's usb connected.
If so, then you might need to flash a custom kernel (I used Ktoonz for it) and raise the charging stream true usb.
Because your usb port got wet, it thinks you are charging true usb. When charging true usb it will charge way slower. It's als probably the cause for your phone getting hot for no reason.
Lennyz1988 said:
Clean your usb port. I sometimes clean it with 99% alcohol and a toothbrush when I got some moister damage.
When you charge it, check battery stats and see if it says that it's usb connected.
If so, then you might need to flash a custom kernel (I used Ktoonz for it) and raise the charging stream true usb.
Because your usb port got wet, it thinks you are charging true usb. When charging true usb it will charge way slower. It's als probably the cause for your phone getting hot for no reason.
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I will try that now! Any idea why it won't start unless connected? I've just not a new battery, no change on that issue.
EDIT: It's now starting fine. I'm waiting for a replacement USB connector to hopefully fix the charging issues. It's still getting hot when it's just sitting on the table and the battery is draining at light speed.
icedragon999 said:
I will try that now! Any idea why it won't start unless connected? I've just not a new battery, no change on that issue.
EDIT: It's now starting fine. I'm waiting for a replacement USB connector to hopefully fix the charging issues. It's still getting hot when it's just sitting on the table and the battery is draining at light speed.
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Good to hear it's booting again. From my experience these issues are temporarily and will disappear over time. The kernel and changing the charging speed fixed the same issues for me. I'm now running my normal kernel without any tweaks. So you might try it before swapping the connector. But that's up to you.
Lennyz1988 said:
Good to hear it's booting again. From my experience these issues are temporarily and will disappear over time. The kernel and changing the charging speed fixed the same issues for me. I'm now running my normal kernel without any tweaks. So you might try it before swapping the connector. But that's up to you.
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I had already ordered the bits and they were only cheap so went ahead and swapped them out. New USB connector flex and new speaker. Frustratingly I still have no sound. It's charging fine but the battery is still dropping off a cliff (like half an hour from fully charged) and it's still getting hot. I even gave the motherboard and connectors a good clean with high purity alcohol and some cotton swabs. Could the board have suffered permanent damage potentially?
Strangely, none of the water indicator stickers have triggered and it's still in warranty so if worst comes to worst I guess I can go down that avenue.
My wife loves our N10 but it obviously doesn't charge fast enough. She started playing with the mUSB plugged in and it still dies. I buy the "andbanyan" brand Pogo charger stand and it charges great for a while. My wife gets inpatient and starts to use it on her lap so she can keep playing CoC. Eventually, she comes to me that it is no longer charging. I checked the charger with DMM and it's getting voltage out. On pin 1 & 6, gnd; pin 2 & 5 to gnd, 150mV; pin 3 & 4, 5.15 V. I tried checking my pings on the connector socket on the N10 but got only infinite resistance. Did the socket it blow? Has anyone else had issues with this?
laserboy6 said:
My wife loves our N10 but it obviously doesn't charge fast enough. She started playing with the mUSB plugged in and it still dies. I buy the "andbanyan" brand Pogo charger stand and it charges great for a while. My wife gets inpatient and starts to use it on her lap so she can keep playing CoC. Eventually, she comes to me that it is no longer charging. I checked the charger with DMM and it's getting voltage out. On pin 1 & 6, gnd; pin 2 & 5 to gnd, 150mV; pin 3 & 4, 5.15 V. I tried checking my pings on the connector socket on the N10 but got only infinite resistance. Did the socket it blow? Has anyone else had issues with this?
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Did it completely stop to work? Maybe it just stopped because of overheating. My Nexus S did that when navigating. It got so hot that the charging circuit was interrupted. When back to normal temps everything was fine again.
Does it still charge on mUSB?
I cant believe you blew the pogo port.
TheBadFish said:
Did it completely stop to work? Maybe it just stopped because of overheating. My Nexus S did that when navigating. It got so hot that the charging circuit was interrupted. When back to normal temps everything was fine again.
Does it still charge on mUSB?
I cant believe you blew the pogo port.
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It still charged USB. My wife happened notice that the casing was slightly split and that prevented the Pogo connector from charging. I thought that constant connect and disconnect would have created an arc, blowing the socket.
Thanks for the help!
My Phone overheated couple nights ago while charging. I could not reboot it , and decided to disassemble it and disconnect the battery. No problem with disassembly, checked battery with DMM and it was showing 0V.
Decided to "jumpstart" the battery and I was able to get phone to recognize it and charge it a little, however during regular cable charging it was still very hot to the touch. So I thought I have shorted battery cells when it overheated initially.
Now interesting part - Ordered brand new battery from Amazon, battery came sealed in ESD bag with all proper ZTE signage.
1) Put the new battery in and the 3 or 5 seconds after I connected it , battery was blazing hot to the touch - Phone was in off state.
2) Disconnected motherboard ribbon cable and battery cooled down almost instantly.
It looks like there is some very high current flow even with phone fully off - like something has been shorted out.
Interestingly enough, battery is hot only under the motherboard ribbon cable, and when I say hot I mean hot - to burn yourself in several seconds
Anyone had similar experience?
Sounds like your phone is fooked.
Unfortunately, time to consider what comes next.