Database Info

[Completed] Android Tablet Stuck in Bootloop

Good evening,
I have recently acquired a tablet and it is stuck on the logo screen. It is a Nuvision TM800A510L 8" HD IPS Tablet. According to the website it is supposed to run Android 4.4 kitkat.
Using the Power button and Volume up button, I can get into Droidboot. My options are:
-REBOOT DROIDBOOT
-REBOOT
-RECOVERY
-POWER OFF
At the bottom, it states it can't mount sda1, E:installer device ignored, E:No valid installer medium found, and Could not open /sys/devices/virtual/backlight.
I have selected RECOVERY and when that opens up I have the Red Triangle "No command" Droid. Top to bottom this is what I see:
Android system recovery <3e>
NUVISION_8_INTERNET_TABLET-userdebug 4.4.4 KTU84P user.20150120 release-keys
Volume up/down to move highlight;
power button to select.
-reboot system now
-apply update from ADB
-wipe data/factory reset
-wipe cache partition
---
When I try to use the wide data/factory reset option it erases all the data but that doesn't make my tablet bootable.
Does anyone know where I can find a ROM for this tablet? I have been looking everywhere for one. If not, any suggestions on a compatible custom ROM?
I would use the ADB sideloader but I don't know where to find a update file for this tablet.
Any help is greatly appreciated, thank you very much.

Hello,
Welcome to XDA.
Try posting your question in the forum linked below.
http://forum.xda-developers.com/android/help
The experts there may be able to help. Good luck.

[Completed] [No Root] [No Usb Debugging] [No custom recovery] unlock Gionee E3 without Data loss

Hi,
I'm new to this forum and a beginner to learn about android devices. I have a Gionee E3 android device (Asian version - English) with Android 4.2.1 on it. Unfortunately I have forgot the pattern lock and to make matter worse the following problems are also included -
1) No root - the device is not rooted
2) No USB Debugging
3) No custom recovery (I guess, only (stock recovery), Android system Recovery is displayed when tried pressing volume + and power key combination )
4) No wi-fi or mobile data could be enabled as the lock won't allow even to slide the screen from the top to get quick access to these things.
5) Windows Xp on my pc
I have tried the following -
1) ADB method to delete the gesture.key, but as the device is not rooted, failed with this attempt with several errors.
2) Tried from Cygwin, but the SU command gave error - -bash: su: command not found
3) Tried Aroma file manager zip file from Android system recovery ----> apply update from SD card, returned error - Installation aborted. Tried to resolve by fixing the updater script file through Notepad++ with different versions of Aromafm but nothing works.
4) Tried with several pattern cracking software zip files through Android system recovery ----> apply update from SD card, still getting error - Installation aborted.
Kindly help me to recover my data intact.
Don't want to root the device and there may be the risk of wiping the data off.
I have also tried to backup from Android system recovery ----> backup user data and 300 MB of data has been backup on SD card. Does this include SMS and phone contacts too with whatsapp data also?
Thanks in advance and sorry for long description, just wanted to make sure you guys know all the things I have tried. Your help will be greatly appreciated.
Sam

sam_h said:
Hi,
I'm new to this forum and a beginner to learn about android devices. I have a Gionee E3 android device (Asian version - English) with Android 4.2.1 on it. Unfortunately I have forgot the pattern lock and to make matter worse the following problems are also included -
1) No root - the device is not rooted
2) No USB Debugging
3) No custom recovery (I guess, only (stock recovery), Android system Recovery is displayed when tried pressing volume + and power key combination )
4) No wi-fi or mobile data could be enabled as the lock won't allow even to slide the screen from the top to get quick access to these things.
5) Windows Xp on my pc
I have tried the following -
1) ADB method to delete the gesture.key, but as the device is not rooted, failed with this attempt with several errors.
2) Tried from Cygwin, but the SU command gave error - -bash: su: command not found
3) Tried Aroma file manager zip file from Android system recovery ----> apply update from SD card, returned error - Installation aborted. Tried to resolve by fixing the updater script file through Notepad++ with different versions of Aromafm but nothing works.
4) Tried with several pattern cracking software zip files through Android system recovery ----> apply update from SD card, still getting error - Installation aborted.
Kindly help me to recover my data intact.
Don't want to root the device and there may be the risk of wiping the data off.
I have also tried to backup from Android system recovery ----> backup user data and 300 MB of data has been backup on SD card. Does this include SMS and phone contacts too with whatsapp data also?
Thanks in advance and sorry for long description, just wanted to make sure you guys know all the things I have tried. Your help will be greatly appreciated.
Sam
Click to expand...
Click to collapse
Hello,
Try posting your query here Android Q&A with all relevant details, the experts there maybe able to assist you.
-Vatsal

Hello Vatsal,
Thanks for your reply. I have moved it to the appropriate place.
And yes, I like your Iron Man.:good:

[Completed] Installing Android Lollipop 5.1 on Prestigio Multipad Ultra+ (PMT3677_Wi)

I found a ROM over the Internet which purported to be Android Lollipop 5.1. To install it on Prestigio Multipad Ultra+ (PMT3677_Wi), I installed ROM Manager on the device, but it is not able to detect and install the zip that I loaded on the SD card. Also, when I hit "Reboot to recover" option, it reboots the device into a an Android picture lying on its back with a red warning sign on its opened belly. It does nothing and after a few minutes reboots to normal.
Contents of the said Lollipop zip is as follows:
>
boot.img
nandroid.md5
recovery.img
recovery.log
system.ext4.tar
system.ext4.tar.a
I tried to flash recovery.img onto the device after taking it into recovery mode (where the static sick Android picture with red warning appears), but adb does not recognize the tablet, so I can be able to enter the following command:
Code:
fastboot flash recovery recovery.img
which prints "waiting for device". The official way to install stock ROM on this device is to download sun5i-android-a13-a86.img from Prestigio website and burn it (only this file) on SD using PhoenixCard tool, then insert it into the device and reboot, a clicking sound starts along with a progress bar. When clicking sound stops and progress bar completes, the SD should be removed and device rebooted. Tablet is ready for use with new ROM installed. But, this is true for stock ROMs in case device is bricked, but I don't know how to flash the above-mentioned zip for Lollipop on this tablet. Any ideas on how to do this?

Hello,
Try posting your query here Ask any Query Newbie Friendly with all relevant details, the experts there maybe able to assist you.
Kind regards and good luck
Trafalgar Square
XDA Assist

[Completed] Huawei G610 U20 Hard reset loop, problem

Hi everyone,
I´m stuck on rebooting/hard reset my device. Desperately. I´d like to start and saying that I´m not a IT person at all, and maybe my question can sound basic for you. I just need a little bit more clear advices and patience from you. Let´s start:
1) I did a buckup with the app. in the phone, another app start to work bad and I restarted the device normally with the power button and here we go the loop: vibration, logo Huawei, switch off.
2) Vol+ and POWER and I entered in Reboot system-> wipe data-> reboot now-> "[do_cust] do_cust enter" on screen -> reboot now (twice)------> loop
3) download firmware from Huawei Support (http://consumer.huawei.com/pk/mobile-phones/support/downloads/detail/ascend-g610-pk.htm?id=27463) --> format SD with FAT32 --> create the new "dload" folder --> extract the file UPDATE.APP into it --> VOL+ VOL- POWER to go in the download mode (it doesn´t work) --> Reboot mode --> wipe data --> Update from SD (empty, no file UPDATE.APP there) --> trying "reboot now" --> "[do_cust] do_cust enter" on screen --> reboot now (twice)------> loop
I search here and other forums a solution for my problem (like here http://forum.xda-developers.com/general/help/huawei-g610-u20-restart-wont-respond-to-t3375434 or here http://forum.xda-developers.com/chef-central/android/fix-boot-loop-huawei-g610-t2872171 ) but I guess they don´t match with my problem
Thank you a lot for your time!

Hi massino82
Thank you for using XDA Assist
As we do not have an specific forum dedicated for your device yet, our experts at the below forum should be able to help you. Please be welcome to ask in there.
Android Q&A, Help & Troubleshooting
Nice regards and good luck.
.
massino82 said:
Hi everyone,
I´m stuck on rebooting/hard reset my device. Desperately. I´d like to start and saying that I´m not a IT person at all, and maybe my question can sound basic for you. I just need a little bit more clear advices and patience from you. Let´s start:
1) I did a buckup with the app. in the phone, another app start to work bad and I restarted the device normally with the power button and here we go the loop: vibration, logo Huawei, switch off.
2) Vol+ and POWER and I entered in Reboot system-> wipe data-> reboot now-> "[do_cust] do_cust enter" on screen -> reboot now (twice)------> loop
3) download firmware from Huawei Support (http://consumer.huawei.com/pk/mobile-phones/support/downloads/detail/ascend-g610-pk.htm?id=27463) --> format SD with FAT32 --> create the new "dload" folder --> extract the file UPDATE.APP into it --> VOL+ VOL- POWER to go in the download mode (it doesn´t work) --> Reboot mode --> wipe data --> Update from SD (empty, no file UPDATE.APP there) --> trying "reboot now" --> "[do_cust] do_cust enter" on screen --> reboot now (twice)------> loop
I search here and other forums a solution for my problem (like here http://forum.xda-developers.com/general/help/huawei-g610-u20-restart-wont-respond-to-t3375434 or here http://forum.xda-developers.com/chef-central/android/fix-boot-loop-huawei-g610-t2872171 ) but I guess they don´t match with my problem
Thank you a lot for your time!
Click to expand...
Click to collapse

Kdio said:
Hi massino82
Thank you for using XDA Assist
As we do not have an specific forum dedicated for your device yet, our experts at the below forum should be able to help you. Please be welcome to ask in there.
Android Q&A, Help & Troubleshooting
Nice regards and good luck.
.
Click to expand...
Click to collapse
thanks, i post it now in the correct forum

[Completed] Android (Maxwest Tablet) - Bypass Unlock (Pin # Code) without factory reset and...

Summary: I need to access the files on relatively old model of a Maxwest tablet using Android OS and do not have the unlock pin code #. It belonged to someone special who used it for pictures, but it also contains important files that our family and I wish to access; however, we cannot determine the pin code # and we are limited on available recovery options.
The details regarding the current situation and "requirements" are as follows:
- #1 requirement is to not delete the existing files, which means no factory reset please
- There is no email associated to it meaning:
1) I am unable to use a "Forgot my Password" feature
2) I am unable to Android Device Manager
- USB debugging is Off and I'm unable to access it when plugged from laptop to tablet
- I've attempted to use .zip files from multiple sources including ones from the hyperlinks below when using the Android System Recovery option to "Apply Update from External Storage"
1) http://forum.xda-developers.com/showthread.php?t=2227103
2)https://sourceforge.net/projects/androidpatternunlocker/?source=typ_redirect
When I restart up the device under the Android System Recovery screen, I see the following information (it is condensed a little bit)
"Android System Recover <3e>
rk312x-eng 4.4.4 KTU84Q eng.lq.20150808.124117 test-keys"
...
"reboot system now
apply update from ADB
apply update from external storage"
...
"Recover system v4.4.2"
After trying to use the "apply update from external storage" with a microSD card containing the zip files from the links above, I receive the following error message:
"-- Install /mnt/external_sd ...
Finding update package...
Opening update package...
Verifying update package...
E:footer is wrong
E:signature verification failed
Installation aborted."
Please Help!!

Hi there and welcome to assist,
Unfortunately there is nothing about your question/device on XDA forum. Try a Google search first.
You'll have to create an account to post in the main forums if you have any other questions.
Good luck