[Q] Help! Can't even use NV Flash! - G Tablet Q&A, Help & Troubleshooting

Used NVflash last night to install CM. Almost immediately there were problems. I was able to boot in CM recovery only once. After that, I could only get to apx mode. Tried to flash again this morning using NVflash and now my tablet won't connect to the PC at all even in apx. Can anyone help? I can't even get the PC to read the tablet at all so I can't transfer files or anything.
EDIT: Finally got into CM Recovery. Did a factory wipe and still can't connect to my PC. Please help!!!

Some severe APX loop problems can look like a completely dead tablet. The screen might not light up at all but you might still be in APX mode. Check to see if your charge light comes on when it's plugged in. If that works then hook it up to your computer and check to see if it's in APX. If it's not press the power key for 2-3 seconds and check it again. You might find that it's just being stubborn.

Related

Help...Won't Power On After Boot Looping

Hi,
My device started boot looping while trying to restore to stock ROM to update to a new ROM.
I wen't through the nvflash process successfully (meaning nvflash wrote the images to the device) but it continue with the loop.
Eventually, it powered down and now it will not power up at all. Battery is fully charged.
Any ideas?
Thanks.
OK, so I figured out that the device was stuck in APX mode.
nvflash doesn't seem to be fixing the problem, so I'm trying adb. It doesn't seem to see the device at all. I'm sure I'm missing step on how to work with adb.
Can anyone point me in the right direction for getting adb connected properly?
Thanks.
I'm trying to get adb working following this guide:
http://forum.xda-developers.com/showthread.php?t=902860
but it cannot see the device. The drive is installed fine but the device does not show up.
I know that if I can get into the device I can put it in debug mode, but I'm not sure how to do this now. I'm thinking this could be my problem, that the device is not in the correct "mode"
Any ideas?
Thanks.
did you get this resolved? i'm having the same problem.
williec30 said:
did you get this resolved? i'm having the same problem.
Click to expand...
Click to collapse
Nope, still playing with nvflash.
Trying this now:
http://forum.xda-developers.com/showthread.php?t=974422
pgonza02 said:
Nope, still playing with nvflash.
Trying this now:
http://forum.xda-developers.com/showthread.php?t=974422
Click to expand...
Click to collapse
i was able to get the device back into apx mode and run the nvflash utility again.
williec30 said:
i was able to get the device back into apx mode and run the nvflash utility again.
Click to expand...
Click to collapse
I've been able to do that a couple of times, but after nvflash completes, just get into a TapNTap logo loop and eventually just powers down. When I am able to turn it back on, it goes straight into APX mode.
http://forum.xda-developers.com/showpost.php?p=12089833&postcount=92
kostyamat said:
http://forum.xda-developers.com/showpost.php?p=12089833&postcount=92
Click to expand...
Click to collapse
Do you mean to install CW from external micro SD?
Thanks.
This is Where I Stand
1. nvflash from TNT lite post
2. Completes and reboots, goes into GTab screen, no Viewsonic screen
3. TapNTap screen and then to n animation
4. Reboot and go to #3. Haven't counted but at some point it just powers off.
I have tried installing CW from the external SD card but cannot get to it.
Have tried adb but cannot get it to connect.
I'm totally out of ideas...I'm thinking that if I just let it sit there, it'll just work
This is Where I Stand
1. nvflash from TNT lite post
2. Completes and reboots, goes into GTab screen, no Viewsonic screen
3. TapNTap screen and then to n animation
4. Reboot and go to #3. Haven't counted but at some point it just powers off.
I have tried installing CW from the external SD card but cannot get to it.
Have tried adb but cannot get it to connect.
I'm totally out of ideas...I'm thinking that if I just let it sit there, it'll just work
Finally Worked
I have no idea what made it work.
I decided to just take a break and left the tablet connected to the computer through USB but powered down. Came back a couple of hours later and when I turned it back on, I got the Viewsonic screen.
After that, I was able to reboot and go into CW and do a factory reset, which put it in a really old version. It was all easy from there.
pgonza02:
As I understand, you can now power off and reboot you GTab.
Can you recall what were your steps to get to this point?
I'm stuck in APX mode for almost a month! I don't know what else to try...
Thanks in advance.
I tried many things, including:
Install CW by replacing the image for partition 9 with the update.zip for CW (basically rename update.zip to whatever the img file is called)
Add CW to external SD card and attempt to reboot.
Eventually I just left the tablet alone and when I came back I turned it on I saw the Viewsonic birds (this seemed to be the key, when it was not working I never saw it)
I read a thread somewhere that mentioned that nvflash has the ability to redirect output through the HDMI out so you would not see it in the main screen. My guess is that what's happening is that the output of something, that is taking time to complete, is going out that way and I just could not see it. By leaving it alone, whatever it was, completed. This is just a guess, maybe someone with more knowledge can confirm.
Sorry I couldn't give you more details.
Boot loop and black screen
I'm having the same problem. In fact, I'm unable to boot into APX mode.
I have the cover off and read about a hardware reset button. I tried pushing the
reset button (k2) but nothing happened. I also read that I can disconnect
the batter. But, I don't see where the battery wire can be just disconnected
without soldering.
Any ideas?

[Q] Please help save my seemingly bricked, Galaxy 10.1...i've tried it all...

I'm pretty sure i have attempted every solution on here (XDA) and elsewhere to troubleshoot my problem. I am hoping it is obvious, but i've put hours into this and i could really use some help!
My tablet is (or was) a Verizon 4G LTE Galaxy 10.1
I had successfully rooted it when i first got it using Odin...i flashed a ROM...can;t remember which one (obviously a wrong one) and ever since it has been rather temperamental.
Over the course of the past week i have been to APX and back... Heimdall (which i am pretty sure i am not doing correctly) to attempting to flash firmware..stock roms etc...
I don;t know whether it is a driver issue, or if i need a stock rom or to flash firmware....but here is where i am at now.
If i try to power up normally...the Samsung galaxy tab logo bootlader flashes for a sec or two...the screen then either goes black...and repeats a few times...or sometimes it flashes the logo and the backlight stays on until i turn it off.
(Seems to be a fairly common problem)
If i hold the volume up and power together...i can get to the Odin download screen with the flashing droid and the midget droid that appears to be walking away from a trash can.
HOWEVER, when i plug the tab into my laptop (windows 7 x64) (i also have access to a (windows 7 x86) and my girlfriends xp machine. I've tried on all mostly on my x64 machine.
Heres the thing.
When i power down...sometimes just pressing the power button once or twice...sometimes, while off i hold the volume down button for a few sec..and all of a sudden the comp reads the device and i can get open ODIN...get the yellow COM thing...but never seem i always get the same error message...can not open/find com/port...
so i can get into odin on my comp with a black screen on my device...or i can get to download mode on my device and my machine wont recognize it.
I seem to have inherited a little bit of everyones problems on here...
Please tell me that there is hope for my tablet...please help? I'm sure you can imagine my frustration. TY.
joshualectric said:
I'm pretty sure i have attempted every solution on here (XDA) and elsewhere to troubleshoot my problem. I am hoping it is obvious, but i've put hours into this and i could really use some help!
My tablet is (or was) a Verizon 4G LTE Galaxy 10.1
I had successfully rooted it when i first got it using Odin...i flashed a ROM...can;t remember which one (obviously a wrong one) and ever since it has been rather temperamental.
Over the course of the past week i have been to APX and back... Heimdall (which i am pretty sure i am not doing correctly) to attempting to flash firmware..stock roms etc...
I don;t know whether it is a driver issue, or if i need a stock rom or to flash firmware....but here is where i am at now.
If i try to power up normally...the Samsung galaxy tab logo bootlader flashes for a sec or two...the screen then either goes black...and repeats a few times...or sometimes it flashes the logo and the backlight stays on until i turn it off.
(Seems to be a fairly common problem)
If i hold the volume up and power together...i can get to the Odin download screen with the flashing droid and the midget droid that appears to be walking away from a trash can.
HOWEVER, when i plug the tab into my laptop (windows 7 x64) (i also have access to a (windows 7 x86) and my girlfriends xp machine. I've tried on all mostly on my x64 machine.
Heres the thing.
When i power down...sometimes just pressing the power button once or twice...sometimes, while off i hold the volume down button for a few sec..and all of a sudden the comp reads the device and i can get open ODIN...get the yellow COM thing...but never seem i always get the same error message...can not open/find com/port...
so i can get into odin on my comp with a black screen on my device...or i can get to download mode on my device and my machine wont recognize it.
I seem to have inherited a little bit of everyones problems on here...
Please tell me that there is hope for my tablet...please help? I'm sure you can imagine my frustration. TY.
Click to expand...
Click to collapse
Have you tried rhis method
http://rootzwiki.com/topic/7718-romleakodineg01-factory-stock-odin-image-vzw-lte-tab-101/
Sent from my GT-P7510 using Tapatalk
...
Thanks for the quick reply. I think i did try this at one point...the problem still stands...when i am in odin dl mode on my tab...the com tab wont turn yellow and comp wont read my device.
If i do it the other way....with a black screen...it wont be able to communicate or find the port. ...but ill try again right now.
Nope....epic fail. There has to be a solution, right?
As long as you can get into download mode you should be able to fix it. Most likely the issue is not your tab but the drivers on your computer.
I spent the better part of a day frustrated trying to go from the leaked 3.2 to official 3.2 having issues similar to you with Odin. Funny thing is for me the PC somehow ended up not recognizing the tab on the USB port I used to flash on but would on others so I simply swapped Ports and continued. Little did I realize that although things seemed okay that issue was a symptom and Odin was now flashing corrupted info onto the tablet.
A simple reboot of the PC fixed things for me. That you have tried other machines though is worrisome. Still there's a chance it still is a driver issue so I would check drivers on the PC and perhaps install kies if you don't have it to see if the drivers with kies help.
Since you're on the Verizon tab flash back to stock 3.1 and flash stock recovery. Then let all the OTA updates run. After that all you need to do is flash cwm and Pershoots kernel along with superuser to be rooted. There is no better ROM for our Verizon tab than this and all wifi ROMs are incompatible with it.
Still, no luck. When i am in download mode on my tab....my computer doesn't recognize it. When I just power up and and plus it in, the screen goes black but the computer sees the device as well as ODIN. However sometimes it is recognized as APX and sometimes it is recognized as a Samsung android device... usually with one or two driver errors.
So, it seems obvious that it would be a driver issue... i've tries kies, and as many variations of drivers i can find.,.. when in APX mode i try to flash using the nvflash method in cmd or heimdall, otherwise i try ODIN and it seems to be successful until the "setup connection" point.
Is there a way (if it is even something i should do ) to get drivers on my device in its current state?
Im at a loss...i know this thing can be resurrected...everything just seems so backwards. Any thoughts?
I know that this is a very basic question, but do you have USB Debugging enabled?
George
No way to check now, as he says the tablet doesn't boot any more.
It sounds like a driver issue for sure, and to be clear here the ONLY requirement that I know of when flashing with odin on the TABLET end is for it to be in download mode waiting for usb BEFORE being plugged in. So when I say driver issue Im talking about on the PC side here. Have kies installed just to get the drivers, fire up odin and get the tab into download mode while unplugged. Plug it in and watch odin to see if the com port status lights up. If not swap usb port and repeat. Do not use a hub and ypu may want to remove unnecessary usb devices too just to see.

Galaxy Tab 10.1 Wifi P7510 stuck on battery screen

Hi
I used the factory reset function on my tab a couple days ago to delete all apps and such and upon reboot it was stuck at the slowly flashing Samsung logo and would proceed no further. I left it for a good hour and a half in that state before I tried hard resetting it but no dice. I've had it do this before when I first rooted it, but unlike that time it doesn't replay the whole boot animation, just the logo part at the end of the animation. I managed to get it in clockwork mod or bootloader whatever that function is and cleared all the caches and did a reboot recovery (i believe thats what it was called) but upon reboot it did the same exact thing. So after that I gave up and went to bed, but the next day when I went back at it again it wouldn't even turn on. After messing around with the power button and volume button trying to get into recovery mode it finally turned on but went to the battery screen with no other actions. I've tried several times to get it into recovery mode but it either wont turn on or it just goes to the battery screen. I have it plugged into my pc at the moment and apparently it is in recovery mode or something because Odin recognizes it. Says [0:COM3] and the box is yellow, but the screen never turns on though when holding the power button and volume button while it's plugged into a pc, the pc recognizes something plugged into the USB slot. My pc is only recognizing it as a modem and will do nothing else with it.
I have the Starburst rom and the overclocked kernel installed and would like to either revert it to stock rom or perhaps the AOKP rom, milestone 6. Is there any way to do this if I can't boot it into a state where I can access the SD card on my pc? All the guides I've found always require I put files on the sd card to flash in clockwork recovery mod. Thanks for any assistance
Edit: Solved it myself, feel free to delete this post. Thanks!

[Q] Lenovo phone bricked itself?

Hi,
I've got Lenovo s650, rooted with a custom rom (MIUI). All was perfect for weeks but few days ago it started randomly going off. Then I noticed that sometimes when I listen to music it crashes (making the music freeze and repeat same note for like 10secs) and shuts down. I thought it could be related to some apps but since I was very busy I didn't do anything about it.
Now today I noticed that my phone suddenly lost network coverage (in area where I always use it). I tried airplane mode on/off but didn't help, so I powered off and thought I will do hard reset when I get back home. However since then the phone is completely dead. Can't get into recovery, if I plug into USB nothing happens, if I take out the battery the red light turns and it goes to "META" mode for few secs (as it's intended to) but I can't download anything into it as I get some DRAM error in Upgrade /flash/ tool.
Funny thing that somehow I was trying all the combinations Volume up/down/both + power and at some point I randomly managed to turn it on so I was gonna make a backup of my stuff but it froze and shut down again. Now nothing works......
Any ideas what happened? :/
Some additional info:
I've got TWRP recovery (however I am unable to re-download it again via flashtool because of DRAM error).
I tried getting into adb but I am not sure if it's possible when the phone is off (tried volume button combinations with battery in and out but nothing).
Also when my phone is with battery and I put it into USB, pc recognizes it as "MTK USB Port", but it keeps disconnecting and reconnecting every 5 seconds. Tried to replace it with adb USB driver but didn't work.
Not having a phone I'll probably give a "Format all" option a shot in flash tool... either gonna brick it forever or fix it..
Edit1: Can't even format due to DRAM error....... :/
Edit2: This is so bizarre... I managed to connect my phone a couple of times in Mediatek preloader mode so the flash tool started flashing the rom, but stopped in a few mins unable to format something because it's protected.
I also managed to turn on the phone a couple of times and tried connecting via adb, but once I grant root permissions, adb shell on my pc cannot find device anymore.
It seems like either a hardware or kernel problem but I know nothing about either of them..
Edit3: I don't know how but I fixed it. Phone seems to be fine for now
Edit4: After 1 hour of working the phone died in exactly the same way.... And so this 6-week old phone will be going to rubbish bin. End of my blog.

Q88 bricked itself

Hello,
I have a tablet that looks similar to Q88 A13. CPU is wm8801, OS - Android 4.1. So I had stopped using it and left it sit for like 1 year. Now I charged it and tried to turn on, but it wouldn't get past first logo(the one that appears first, not the os loading one) and would attempt to go into recovery itself, but then the android with exclamation mark would appear for a while and then device would reboot and so on and so on...
Then I triggered a hard reset with a button combo, but it didn't really help. Tablet stopped trying to go into recovery and simply kept getting stuck at logo.
I can't access recovery, and neither ADB nor fastboot is working. PC with win 7 reports it as unrecognized device and other PC with win xp doesn't even see that anything is connected to it.
I've tried unsoldering the battery, completely discharging tablet without it, soldered it back on, but didn't help.
Help?
bump
Try Livesuit 1.11.
I've used it to load several ROM's
I'm currently running FaaastJB v2.5 found at http://forum.xda-developers.com/showthread.php?t=2447819

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