[Q] Bug Report Help - Nexus 4 Q&A, Help & Troubleshooting

Hello, I am on the Android L preview and recently had to replace the back cover due to the glass breaking. While I was in there, I pried up in the wrong spot and cut the gsm/3g antenna that is attached to the loud speaker. I replaced that and in the process discovered that the wire antenna as almost falling apart too, so I ordered one and replaced that. I am fairly confident that I did not mess anything else in the process, however, my phone has not been working well since. The phone will be fine, unless I use the 3g connection. SMS and voice do not seem to have any affect, however, if I use the browser for more than 2 min, the phone will randomly cut out my 3g/gsm signal and then it will come back and continue to do this for a few min until the phone shuts off. When I boot into TWM recovery, the only thing strange that I notice is that my battery would go from 80% when the phone was on to 1% in recovery, until the phone will appear to have 0% and not boot on (as if it truly had no battery). The strange thing is, the phone will boot back up if I leave it alone for a little while without putting it back on the charger. I have completely wiped my phone, locked it, restore to stock, re-rooted and unlocked and flashed my rom (5.0 preview). This has not changed anything.
I finally was able to capture a bug report. I have no idea how to read it though. If anyone could help I would really appreciate it.
I have attached the bug report.
Thank you!

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[Q] Frozen phone, 7-vibrate when turned on - Help?

Ok, so here's the full story;
I dropped my phone a month or so back, and the LCD broke, so I bought a new LCD/digitizer on eBay. I've replaced screens on heaps of phones/cameras before, and this wasn't that challenging (HTC actually provide a video tutorial on disassembly/assembly), but now that it's all back together it has some serious problems.
The first time I turned it on it was fine - I went through WM6.5, booted into android no probs, made a call and turned WiFi on to test connections, but after about 15 mins it froze and I had to pull the battery. Now I cannot turn it on. most of the time, I turn it on and it brings up the very first splash screen for the ChuckyDroid ROM I have on it, but stays there. Occasionally it will load further, and VERY occasionally it will get all the way into WM6.5, but 90% of the time, it will turn on, load the first splash screen, then vibrate 7 times before freezing completely.
I've read about this problem on other phones, but haven't seen anyone provide a working solution. I am positive that all the assembly has been done correctly (especially seeing as people are getting it on their stock phones, HD2 included), and would really like any help.
Thanks in advance,
Jason
I think the motherboard has problem when you drop it. The device will vibrate 7 times if NAND error. Usually when the device gets hotter or warmer, NAND become unreadable. This is the error that many users have even myself.
To temporarily solve this, you can take out the battery, and put your phone in the freezer for 5 minutes, then take it out. Put the battery on. Then turn the phone on. It will work normally if the bottom part stay cold. So make sure you have a bag of ice to cool the bottom down while using.
Another way is send the phone to HTC and request a fix... cause this is motherboard problem.
bobuchacha said:
I think the motherboard has problem when you drop it. The device will vibrate 7 times if NAND error. Usually when the device gets hotter or warmer, NAND become unreadable. This is the error that many users have even myself.
To temporarily solve this, you can take out the battery, and put your phone in the freezer for 5 minutes, then take it out. Put the battery on. Then turn the phone on. It will work normally if the bottom part stay cold. So make sure you have a bag of ice to cool the bottom down while using.
Another way is send the phone to HTC and request a fix... cause this is motherboard problem.
Click to expand...
Click to collapse
Like BOBUCHACHA said ... thats nand problems... i also have same problem too... you can try doing some modification ... follow this thread to do so
http://forum.xda-developers.com/showthread.php?t=971783

[Q] HD2 won't turn on — short vibration and black screen

Hi everyone,
I would really appreciate it if you could give me an advice for my TMOUS HD2 P81120, that won't turn on.
I bought it with some firmware problems, spent plenty of time flashing it and finally managed to install a stock ROM from SDCARD using a fridge (it couldn't install w/o such cooling).
After that, it booted to white splashscreen with pink logo (smth like "Bringing happinness", don't remember the text) and stuck on it. I rebooted, flashed HSPL 2.08 successfully.
After that the device won't turn on at all. When I hold the Power button, all I get a barely sensible short vibration, but the screen stays completely black, no signs of life. I kept it on AC charger overnight — nothing has changed. When I hook it to the charger w/o the battery, and put the battery in, HD2 powers on itself (same short vibration, no other signs of life). Tried removing the sdcard, different combinations of power-ons, still nothing. Tried freezing it again for 5-10 mins — still no luck.
Please let me know what else I can try.
and one more thing — when I plug the USB, the PC doesn't detect any device.
It seems that a JTAG is my last resort, still I'm not sure I can find the hardware for that.
kitjarik said:
and one more thing — when I plug the USB, the PC doesn't detect any device.
It seems that a JTAG is my last resort, still I'm not sure I can find the hardware for that.
Click to expand...
Click to collapse
same sh*t her pall
the problem is that your HD2 are overheating so the only thing thats left in your case is to replace motherboard
BobbyManifesto said:
the problem is that your HD2 are overheating so the only thing thats left in your case is to replace motherboard
Click to expand...
Click to collapse
Good point!
Make sure that none of the three pins on the phone that touch the battery are bent. One of the causes of constant reboot is when one of those pins are not touching the battery. Please let me know if it worked for you...
meb786 said:
Make sure that none of the three pins on the phone that touch the battery are bent. One of the causes of constant reboot is when one of those pins are not touching the battery. Please let me know if it worked for you...
Click to expand...
Click to collapse
That were definitely not the battery pins.
If anyone cares - here's how it ended (or not yet )
I found a JTAG service in my city, they wanted 50$ to restore the device to a working condition. I agreed, they took the phone. After that they've called me and said they have restored the bootloader, but can't make HD2 actually boot (they flashed stock ROM directly through JTAG, but it always got stuck on "Stick Together Screen". Now I understand I have probably flashed the wrong rom/radio — that's what has bricked it. I paid them 7$ for "diagnostics" and got back a phone with a working bootloader.
After that, I used the "fridge" method to flash latest radio for HD2 and some custom Win6.5.3 ROM (10 mins of fridge before each step). Then I cooled it again and put the cold phone on a frozen chicken (still laughing on that). Guess what — it booted into WM6.5, I even managed to make a call, though it rebooted in 3-5 mins. Overheating problems confirmed, at least it's not a complete brick.
What I've done now is found a guy that will try to "reball" the CPU's BGA - sort of "reheat" the chip to get a firm contact of it with the motherboard, and solve the heat problems. He'll call me today and let me know how it went — i'll update this topic.
As a conclusion, I can only say: "Check three times what you're flashing before you actually are flashing". Otherwise, JTAG is a wonderful "resurrection" solution, although a bit pricey (my case is pure luck).

Phone instantly reboots?

I was listening to an audiobook when my phone suddenly died. It would not start back up, so I removed the battery. When I replaced the battery, the samsung logo would pop up but after about a second it would go black again. It will not start again until I remove/replace the battery, at which point it does the one second shutdown again.
At one point I got the phone to boot (no idea what I did differently) and I noticed that it got very hot around the camera area before going black again. A second time I was able to get into recovery, where I did a factory reset. Booted back up and it seemed to be okay, but then heated up very quickly and shut down.
Now, even if the phone is totally cool, I cant get past that 1 second of samsung logo. I'm really at a loss here, and totally screwed without my phone because I am traveling non-stop for the next 2 weeks. Does anyone know how I might try to troubleshoot this? Thanks
Possibly flash a new ROM and start over. That's what I would do
This EXACT situation happened to me yesterday! I was streaming from Google music, it was on the charger and things were fine. A call came in and the phone started vibrating like crazy and wouldn't stop. The screen went black and it kept vibrating. Finally it went off. On boot it will get to my lock screen and then crash after about 30 seconds. If I take the battery out and try again it lasts another few seconds after boot. If I leave it for a LONG time with the battery out and restart it I can get like 2 mins on the next boot without it crashing. The top part by the camera is getting hot on my phone as well. Recovery mode and download mode start fine and the phone doesn't crash. I have some data on the internal that I want to save so I tried to use Odin to flash the most recent build L720VPUFNG2 as that would just install the OS and not touch the data. On the next reboot things seemed to be working fine and I got maybe 5 mins out of the phone before it crashed again. I still don't have enough time to get the data off so I think I'm just going to say screw it and wipe it completely. You guys know of a way I can backup this app data using Odin or recovery mode? My phone is currently unrooted. I'm new to all this tinkering stuff. Phone is out of warranty now anyway.
Threw on a custom recovery, backed up all my data, did a full wipe, now I am good as new.
It worked for awhile but now it is back to rebooting itself. Any idea what could be the issue? I'm assuming at this point it is hardware related. Why can recovery and download mode run consistently without crashing but when an os is fired up it has issues? If it was a hardware issue shouldn't it not work across the board?
So I had Sprint replace my phone on the 8th. I have been using my same batteries (1 stock 1 Anker) and chargers (some stock some not) without issue the past 5 days. I rooted and installed xposed and some modules (original broken phone was never rooted and was completely stock). Things were going great until tonight when it started reboot looping exactly like the old phone. I switched battery and same proble. After I took the battery out and left it out awhile it fired back up but I'm afraid the problem will return. Is it possible that the battery or charger randomly are causing damage to the phone? I only have 14 day warranty on this replacement and need to figure this out.
I have no idea maybe try just using your stock battery for a couple days. See how that goes then use your other battery for a couple days and see what happens.
i7vSa7vi7y said:
I have no idea maybe try just using your stock battery for a couple days. See how that goes then use your other battery for a couple days and see what happens.
Click to expand...
Click to collapse
I think it was one of the xposed modules causing the issue. I realized the rebooting seemed to happen whenever I pressed the power button. I had installed a power menu module so perhaps it was the cause. I restored from a nandroid and uninstalled that module and things seem to be working now. Hopefully that was the cause and this thing won't start acting up again after the return period.
killerz298 said:
I think it was one of the xposed modules causing the issue. I realized the rebooting seemed to happen whenever I pressed the power button. I had installed a power menu module so perhaps it was the cause. I restored from a nandroid and uninstalled that module and things seem to be working now. Hopefully that was the cause and this thing won't start acting up again after the return period.
Click to expand...
Click to collapse
That makes a lot of sense. Have to be careful with those Xposed modules. Don't get too carried away installing so many at one time and playing with them and then rebooting. You'll have a hard time figuring out which one is causing it. I'm pretty sure you found your problem.
i7vSa7vi7y said:
That makes a lot of sense. Have to be careful with those Xposed modules. Don't get too carried away installing so many at one time and playing with them and then rebooting. You'll have a hard time figuring out which one is causing it. I'm pretty sure you found your problem.
Click to expand...
Click to collapse
That is exactly what I did I installed like 6 at once and things were working well for a few hours then disaster stuck. I think I won't play with this phone anymore as I am upgrading anyway and want to sell it in working order.
So things were going well for awhile and then the reboot loops started up again. I did some digging and read that apparently Samsung phones are notorious for sticking power buttons and the symptoms were exactly what I was experiencing. I watched some videos online how to open the phone and clean out the power button but it didn't make a difference. I then read that squeezing the connector for the power button with a pair of pliers sometimes does the trick. Not for me. So finally since I'm not under warranty, have no insurance, and the phone wasn't working anyway, I just ripped the white plastic part of the power button right off. Well, that seemed to do the trick. Phone immediately fired back up without issue and has been going strong. I glued a small thin piece of plastic where the old one used to be and I am back in action. If my little plastic piece solution eventually fails or breaks off I will consider soldering on a new button but so far so good.
If you have tried everything else, and are looking for last resort, try cleaning the power button with some alcohol, and if that fails, rip off that power button! Here is the video that gave me the idea: https://www.youtube.com/watch?v=3Glllc7bEJs and here are some other power button videos: https://www.youtube.com/results?search_query=s4%20power%20button&search_type=&aq=f&oq=

I am about to go crazy with this evil phone. j320a variant with complete stock firm

Ok, so this all started about a week ago. My dad has had this phone and for the most part has enjoyed it. The other day he calls (from the house phone) to let me know that his phone doesn't work. I was expecting the typical black screen so hold all the buttons to force a reboot and boom hero for the day.
God no. This phone would suddenly not boot properly at all. I mean I had trouble getting stock Recovery mode to even come up or download mode. I bought a new battery thinking it could help. Twice now I have managed to use ODIN to reflash stock firmware of 7.1.1 . Both times the phone would be fine and suddenly it would turn off and bam the same thing over again. Firmware screwed and it doesn't want to turn on reliably. Recovery mode would display all sorts of errors with mounting /efs and dm verity errors....
This must be a hardware problem right? I don't know what else to think at this point. Is it possible the restore of his backup from sammy cloud is corrupting it? I am willing to try this one more time and not restore any of his files or is it hopeless? Is there something fried?
And just for the record, I am not new to ODIN/Rooting/Custom Roms/ etc but at no point EVER has this damn phone been attempted to be rooted or anything. I hope someone has something positive to share or just put me out of my misery so I can destroy this f******* phone into a thousand pieces.
Has anyone ever had an issue where the plastic back cover is somehow causing the phone to short out or overload which makes it freeze or turn off? I swear this back cover is the cause of all of this. Last night i reflashed everything and really just forgot to put the cover on. It stayed on all night without a single issue. I rebooted and powered down multiple times and it turned right back on. Then I put the back cover on and what do you know, difficulties with powering on and freezing.
On the top right above the sim/microsd slot there is that spot with metal looking conduction material or something and it is also at the bottom near the charge port. What are those things? At this point the phone has become a pet project and I just have to have the answer. My dad already got a new phone lol. Any ideas?

TMobile S8 works fine, except the screen won't turn on

My brothers TMobile S8 screen randomly stopped working. It has no signs of damage anywhere as well. Weirdly, I managed to get the screen to go on one time by pressing some button combos to try to follow a guide to get it into recovery to factory reset it. Upon the phone booting, the battery had 3% and when I went to show him, it was dead. Now after letting it charge, the screen does not work once again and I can't seem to get it to come on in the same way it did before, the bright blue recovery screen.
Is there any software I can use to just attach the phone to it and factory reset it? I mean, I've seen bad phone screens before that have still had images show up on them, even if heavily damaged physically or it no longer responding to touch and showing dim lights. But this one simply doesn't turn on, except the one random time it did, and it was perfectly fine, showed no sign of damage. Any thoughts would be greatly helpful
Is the battery known to be good?
If not replace it. The system will not boot if there's not enough current. It takes a fair amount of power to boot up. A charger can't provide enough to do so...
It boots up fine, I can hear the initial TMobile boot audio as well as the notification sound the phone makes when it gets to the lock screen. I also had it stop charging @80% not too long after buying the phone on release, with some custom ROM I installed. Ofc its a possibility its battery related, since I can't see anything on it, but it was taken care than the average person I am sure
With a custom rom all bets are off. Makes troubleshooting much harder. Possible rootkit.
Firmware and malware aside if it's booting but no display, possible loose ribbon connector, failed display or mobo. That's assuming the battery is good...
Well I did disable/uninstall Superuser from the phone, and I used it for a couple years before giving it to my brother to use. That is a good point about the cable, I will search for images, maybe I can squeeze a few spots to just see what happens
moccor said:
Well I did disable/uninstall Superuser from the phone, and I used it for a couple years before giving it to my brother to use. That is a good point about the cable, I will search for images, maybe I can squeeze a few spots to just see what happens
Click to expand...
Click to collapse
Sometimes just reseting a connector is all it takes. Those are low voltage lines and a perfect contact is needed.
If the battery is more then 2-3 yo it's probably at the end of its usable service life.
Thanks for the input, I will open it up if nothing else works and I will report back if it helps

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