General :: No NAND Partitions On A13 Allwinner
Jul 9, 2013
I recently acquired an A13 tablet and wanting to install CM10 on it I first installed CWM 6.0.2.8 according to the famous manual (if it's relevant I'll post the exact url). Anyway, it got stuck on CWM (doesn't boot normally). Now I figured it can't install since using 'adb shell' and looking at /proc/partitions -- nothing is there!
"""
cat /proc/partitions
major minor #blocks name
179 0 15558144 mmcblk0
179 1 15554048 mmcblk0p1
"""
So I have no internal memory to use -- no internal memory to install to, right?
"""
ls /dev/block
loop0 loop2 loop4 loop6 mmcblk0 nandf ram0
loop1 loop3 loop5 loop7 mmcblk0p1 platform ram1
"""
Seems that only nandf exists, which means I can't cat into nandg and sync and install new img. Right? Or am I missing something? How do I fix this?
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Feb 6, 2013
I have a generic Allwinner A13 7" tablet essentially identical to this one. The internal memory is set so that part of it is seen as internal, and part as a fake SD card mounted on /mnt/sdcard. Actual SD cards get mounted to /mnt/extsd.
I find this very annoying for a number of reasons, and would like all the internal memory to be seen as internal with no fake SD cards, and SD cards to be mounted to /mnt/sdcard. If this were one of those tablets capable of running Linux I'd run gparted and do the job from there, but it isn't.
Is there any way to merge the two internal memory partitions into just one?
I'm aware I can edit vold.fstab and invert the two mount points, and I'll keep it as a fallback solution, but I hate the idea of wasting a gig of useful internal space like that.
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Sep 26, 2013
how to increase size of /system and decrease size of /data? (huawei mediapad)
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Jan 24, 2014
I had an encrypted I9100 on Cyanogenmod 9. After a factory reset I installed Cyanogemod 10.1. Everything runs smoothly, but about 12gb of my internal sd space was misplaced during the installation and is now missing. Only 2 gb is currently available. /sdcard cannot be mounted, something about /sdcard/android_secure
I ran some commands in adb, and the space is still there, but it needs to be replaced / repartitioned somehow.
df -h
Filesystem Size Used Available Use% Mounted on
tmpfs 395.6M 48.0K 395.6M 0% /dev
/dev/block/mmcblk0p7 98.4M 87.0M 11.4M 88% /cache
~ # mount /data
[code]....
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Jun 12, 2013
I want to get a custum recovery because I can't access to my recovery mode it shows a foto of a droid, I tried rebooting from rom manager app, and from the power and Vol+ .. but nothing works you can check the foto in the attachments.
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Apr 19, 2012
Is CWM available for the Eken T01? I have posted this question several times on other boards and never got an answer either way. I just got this tablet and I have rooted it. However I would really like to make backups with CWM like I do with my phone because it has saved my butt more than once
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Dec 9, 2012
Tablet hangs in Bootloop after installed cm9_nightly_20120721 + protab2xxl_compatibility_1.2.0 startet from cwm 6.0.1.0. Noticed that the "/data" partition only has 15MB of Space with 0B Byte free. I wiped the cache after installation with cwm, i am not able to boot to cwm again because key combinations not work on this device.
Got a T15A Generic tablet which has the same Hardware than protab 2 xxl, Goclever A103, Coby 1042 etc..how to get CM9 or CM10 running?
Code:
--------- beginning of /dev/log/main
I/cm ( 70): Welcome to Android 4.0.4 / CyanogenMod-9-20120721-UNOFFICIAL-907
I/cm ( 71): _
I/cm ( 72): __ __ _ ___ _ _ __ ___ __ _ _ _ _ __ __))
I/cm ( 73): ((_ (/'((_( ((( ((_)((_( (('((( ((`1( ((_)((_(
[code]....
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Oct 6, 2012
is it possible to port a cm7 for allwinner a10 tablets??
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Dec 24, 2013
I cannot find out how to add drivers to a ROM
I don't have a backup of the stock ROM, however i have a ROM in which everything apart from WiFi works ( 5 point touch screen, all hardware buttons, sound, screen)
This Q88 ROM is downloaded from [URL] .....
I tried the cyanogenmod ROM from ANONFBI [URL] ..... and nothing works apart from the wifi driver no touch, no volume buttons
I would like to extract the drivers from the q88 rom and add them to the cyanogenmod rom.
I've never been able to get the camera working its the single front camera it doesn't bother me its not very good
I tried this thread [URL] .....
However when i load a driver the ported PORTED JB-4.1.1 rom doesn't boot up
I see it has camera drivers but i dont know how to install them
I have attached a LSMOD from the q88 rom
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Jun 26, 2013
I am trying to use my cheap virtually unbrickable tablet to learn more about kernel development and eventually ROM building.
I have extracted the manufacturers (WoPad) LiveSuit image and used split_bootimg.pl to break up the boot image.
I extracted the config file from the kernel image using extract-ikconfig and it created a config file. I didn't see the config in /proc.
So, I have the factory ramdisk and the factory kernel config.
I have downloaded several kernel sources (lichee-3.0.8, ChritianTroy's 3.0.36, and another one from linux-sunxi 3.0.72). I can successfully compile all of them without errors and they all generate zImages, uImages, etc using the factory config as well as the sun4i_crane configs they come with.
When I repack the boot.img with the newly created kernel and install it on nandc it wont' boot past the android icon (u-boot). When I compare my boot.img to the factory one, they both have the same offset where the kernel starts (0x00000800). I have also ensured I'm replacing the kernel modules when I'm changing kernel versions.
Here is the line I'm using to repack the boot.img
Code:
mkbootimg --base 0x40000000 --pagesize 2048 --kernel zImage --ramdisk ramdisk-repack.cpio.gz --board sun4i --cmdline "console=ttyS0,115200 rw init=/init loglevel=8" -o boot.img
[Code]...
Also, I'm building on Ubuntu 13.04 with Google GCC 4.6 from the ndk. I have built kernels for other devices without issues.
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Feb 8, 2014
My phone has 4gig of internal storage, but the system seems to be using only 3 500mb partitions... /system, /cache, and /data... and a couple of other small partitions.
At the end of mmcblk0 is p6 that is about 2GIG and NOT MOUNTED! Is that space needed for something, or can I add it to /data (p5)? or create a mount point for it? and if so, HOW?
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Oct 18, 2012
Is a nandroid backup creating new partitions when it is flashed?
What happenes, if a Nandroid backup was created from a 2 GB SD card and is flashed onto a 8 GB SD card? - size mismatch error?
€dit:My Phone has an internal SD Card - normally not accessible.
I changed it from 2 GB to 8 GB - phone is working properly.But what about existing Nandroid Backups?
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Oct 20, 2013
caused & am now stuck in a recovery boot loop.
- bought a Thomson QM734-8G tablet (Allwinner A13b clone), running Jellybean 4.2.2;
- PC interface worked fine in MTP and large storage modes;
- setup Android SDK & Java JDK on PC and communicate with tablet via ADB;
All OK so far..After a couple of days, I decided to replace stock recovery with ClockworkMod Recovery, so I could start messing about with the tablet.
I found the CWM 6.0.2.8 mod supposed to work with these tablets and, following instructions, determined it was indeed running on sun5i hardware and had 10 partitions (nandj) and downloaded the appropriate version.
I used ADB sideload to install CWM and everything appeared to work OK ... until I rebooted and found myself stuck in a never-ending cycle of CWM-based recovery bootloop.All I get is the CWM recovery console, with a few lines of error & the tablet will go no further.
E:can't mount /cache/recovery/command
E:cant mount /cache/recovery/log
E:cant open /cache/recovery/log
E:cant mount /cache/recovery/last_log
E:cant open /cache/recovery/last_log
CWM functions work properly and nothing will mount through the 'Mounts and Storage' section, although sideload mode still seems to work.Attempts to use ADB sideload to install a different CWM or other recovery image have all failed, and LiveSuit and PhoenixSuit both have issues detecting the tablet (despite trying various versions of each & following instructions precisely), so I can't flash a replacement ROM to fix things.
At the moment, I just want to rip CWM out and go back to factory recovery mode and have a working tablet again! I think the Bootloader is locked and the tablet is unrooted. Superuser or SuperSU don't want to install properly. However, using ADB, it looks like I can get root access in shell (#).
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Sep 15, 2013
I own a Allwinner A13 7 inch tablet, on which I installed the Cyanogen 10 mod (Due to restrictions I cannot place the link to the mod)
The problem is I probably installed the wrong touchscreen driver, so the tablet boots perfectly into the Mod but I can't do anything. Normally it would be no problem to just put back my backup, but I can't get it to boot into CWM.
In the first place I rebooted into CWM to instal the mod by adding the following command through the "terminal app" before rebooting,
Command: "echo -e 'boot-recovery' > /dev/block/nandf; sync"
Now I cannot use the screen so i cant use the terminal. I also cannot use ADB because USB debugging is standard switched of after flashing a new MOD. Any other way to get into CWM??
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Jul 31, 2013
Basically I ran Livesuit to flash my Chinese Tab, its called a desiretab has an a10 processor. Anyways the first flash was successful, besides the fact that it didn't pick up touch calibration correctly. So, I decided to flash it again with a different firmware image, low and behold it gets about 50% in and just freezes up. Now the Tablet shows no form of screen output, I attempt to flash it repeatedly, nothing works.
When I say I attempt to re flash it and nothing works, I'm saying that it just sticks at zero and the flash command does nothing.
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Jan 13, 2014
I using Onda v975s (chip Allwinner A31s). In Android 4.2.2 i can root it. But when i up to rom Android 4.4.2. It can‛t root.
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Dec 20, 2012
How to replace the default boot splash on an Allwinner A13 tablet? I'm thinking about replacing the rather tacky default image on it, and maybe the battery charge and other bitmaps.
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Feb 2, 2012
I've got a Motorola Flipout, just yesterday night I was copying and moving files to /system/bin (having root).
Lik this:
Code:
cp /sdcard/binaries/iptables-save /system/bin
But then I have did something wrong, typed something like this instead.
Code:
cp /sdcard/binaries/rfkill/system/bin
That throws me an error (normal) but then everything was screewed up.
The files and folders have been dissapeared to `ls` command.
`ls /` shows / doesn't exist.
`ls` shows nothing.
when i enter to accounts it reboots, doesn't detect sdcard partition...I do a rollback with a partial backup from 30 days ago, and still appear nothing.
It's like the partition system have been screewed up.This can solved reflashin again with sbf_flash ?
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Jun 7, 2014
I have an Allwinner A31s based tablet and I can root when i use Android 4.2.2.
Couple of weeks before my tablet producer relase Android Kitkat Rom
Old method for rooting Android 4.2.2, dosen't work on Kitkat.
How can I root my Allwinner A31s based tablet on Android Kitkat?
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Apr 23, 2013
I have compiled cwm for an allwinner a13 tablet I am stuck for in for on recovery but can't do any thing it just reboots to recovery if I select reboot system and can't install backup restore.
Only adb side loading works tried to install another working old cwm it shows successfully installed but it reboots to the same recovery.
I tried to install a custom rom but first I got first error in get prop =build Id
So removed get prop lines in updater script now I am getting installation aborted status 0 error
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Oct 6, 2013
i have a allwinner a13 tablet that has gotten stuck in the process of opening. i had installed clockmodrecovery and uberizer. and was looking for a way to correct root 'permission" that kept coming up when trying to install programs that needed root access. then i messed up.
i was trying to restore factory when it froze. i cannot use buttons to enter recovery mode. i made a back up in uberizer but am unable to find .how to use. also since this is happened i cannot load any driver to recognize the tablet into windoes 7device manager.
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Apr 20, 2014
I received a generic Chinese table. it worked well for about two-and-a-half months. Then, just recently, I discovered rooting and the wonderful things it allowed you to do. I decided to download a system-tweak app, which included a CPU control. I was a little wary of overclocking my CPU, having heard it may decrease its life expectancy, but finally I thought "What the heck?" and in a brilliant stroke of genius cranked my 1Ghz processor up to 1.5Ghz, and it promptly froze, forcing me to power it down. When I turned it back on, I discovered that it had been factory reset. I re-installed my apps, including the system-tweak app, and decided not to touch the CPU controls for a while. Soon after, while at my sister's talent show, I discovered I had about 30% battery life, and I was still supposed to record her. So I figured I'd underclock it to save the battery.
Unfortunately, as my finger touched the slider, my brother bumped my arm and caused me to lower the CPU frequency to its lowest setting. It became extremely sluggish, almost to the point of being unresponsive, and finally I had to shut it down. When I restarted it, it started to boot but then got stuck on the shimmering Android logo, and now that's all it does. I can't even boot into recovery mode, and unfortunately I had just turned off USB debugging that same day.
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Nov 1, 2011
Current issue is that I my phone will boot just fine into regular startup however it will no longer boot into recovery mode.
I have tried the below methods but the main problem that I run into is that when I issue flash_image recovery /sdcard/recovery.img(I have tried multiple img files such as the clockworkmod and SPRecovery) however none of them have worked they are receive the below message.
# flash_image recovery /sdcard/recovery.img
flash_image recovery /sdcard/recovery.img
error scanning partitions
What I need at this point is either a way to get some form of recovery loaded either the out of the box version or clockworkmod version working so I can flash my phone and get gingerbread loaded. Or I need to break the OS to the point where the phone will not load past the boot loader.
Phone information:
Droid 2 Global
System Version 2.4.330.A956.Verizon.en.US
Android Version 2.2
Kernel Version 2.6.32.9-g9e2c63d
What I have looked at so far: [URL] .....
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Aug 15, 2013
I have SONY XPERIA tipo with 803MB Internal Sotrage and 2.20 GB.
I have rooted the phone, and set external 32GB card as the default SD card (i.e. phone thinks its internal memory is 32GB) via changes in /etc/vold.fstab file.
The result is that phone regards the 2.20GB space as external memory.
I can move many applications to 32GB card, however some applications e.g. BusyBox, GCC Toolchain, and Chrome are not movable to Internal storage (32GB) or external storage (2.20GB).
Since the 2.20GB space is of no use for me, and it is mounted under the same device where "phone memory" 803 MB is mounted i.e. :
/dev/block/mmcblk0 = 3909 MB
/dev/block/mmcblk0p11 = 524 MB
/dev/block/mmcblk0p11 = 167 MB
/dev/block/mmcblk0p15 = 803 MB
/dev/block/mmcblk0p16 = 2311 MB
Surely, the last partition "/dev/block/mmcblk0p16 = 2311 MB" is the free storage not being used, and "/dev/block/mmcblk0p15 = 803 MB" is the phone memory, which I want to extend/increase.
My question is: Is it possible to merge the alst 2 partitions (e.g. by formatting 2.2GB space and then merging it with the 803MB space. This way my phone will have its system memory pretty large, and I will be able to install more applets through BusyBox as well as Chrome etc.
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Nov 6, 2011
HTC sensation blackscreen, trying to flash a nand backup. ADB, fastboot and Shell working.
I got into shell, can #ls that directory ok ..#cd sdcard... try to #ls sdcard or any other folder and will not show content. Im not up with linux commands. I believe I am missing a mount command somewhere.
What Im after is the location of backup folder so I can see the filename of the nand backup to restore in fastboot. And the commands necessary to restore a nand backup via adb, shell or fastboot.
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Mar 23, 2014
I have an Allwinner A20 tv box, I trying to use it on a device with an old, low res, 4:3, 5" screen. It works but I have a few problems - firstly the box has "pal" and ntsc" settings for use with AV out, but when connected the picture is squashed inwards so circles are represented as ovals. I ve tried to mod the aspect ratio/resolution but nothing works, the picture is always distorted.
On top of that everything is too small for the screen, it is readable but things really need to appear bigger, so I also played about with the dpi, this does make things bigger and a better match for the screen, even though the device doesnt actually have a screen itself.
I ve done both these mods with several apps and modding the build prop and I always get "sorry systemGUI has stopped", constantly - when you close it, it opens again straight away. Clearly settings doesnt like these mods, so I m trying to work what I need to change so it DOES accept them.
How I can successfully mod the setting.db and get this working at the correct aspect ratio and a dpi that is suitable for use on a low res screen ?
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Jun 9, 2013
I am on twrp recovery version 2.1.3 and to upgrade to 2.5.0.0 I used the Google .im app but even after the message showing that recovery was flashed successfully, when I reboot into recovery I still see the 2.1.3 twrp only..So I tried flashing it with terminal emulator but it didn't work.This error shows up every time failed scanning partitions failed with error : - 1
I tried putting the .img file in the root folder as well but it didn't work..I tried naming the root of sd card as storage/emulated/legacy, storage/ emulated / 0, /sdcard, etc but it keeps on giving this error every single time!
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Jun 29, 2012
I have an HD2 with Paranoid Android (1.4a CM9 NAND), along with Supercharger V6 and Mounts2sd 4.5.0.
I'm experiencing some phone audio issues that pop up and then mysteriously go away again. Specifically I cannot hear the audio from the other caller and the only way to have the conversation is by turning on speakerphone (which always works but is quite inconvenient). The other party can always hear me alright.
Here's some debug log info:
2012-06-28 15:58:46.045 W 722/AudioPolicyManager: getDeviceForStrategy() unknown strategy: 4
2012-06-28 15:58:46.175 E 1191/PrivacyPersistenceAdapter: getSettings - failed to get settings for package: com.csipsimple
[Code] .......
and so I need to enable speakerphone to hear the audio
2012-06-28 16:01:15.755 I 722/AudioHardwareQSD: Routing audio to Speakerphone
2012-06-28 16:01:15.755 D 722/AudioHardwareQSD: Switching audio device to
2012-06-28 16:01:15.755 D 722/AudioHardwareQSD: Speakerphone
[Code] .....
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Jan 23, 2014
I have a phone called Y9190 that suddenly turned off and will not turn back on. I tried to flash it with flashtool, but the program sends me this error:
"Boot Loader does not exist on NAND / eMMC flash! Please download bootloader first."
At this point, I do not know how to go forward. The flashtool drivers are installed correctly and the rom is the right one.
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May 26, 2014
I have an Allwinner A10 clone (Kurio 7), it is designed for kids but otherwise a standard android tablet. After hours of googling I rooted and installed CWM & Gapps (not included in the stock ROM). So far so good. The stock ROM was causing issues with some apps, it needed to go.
I flashed CM10 and it worked but no touch screen. It needed a compatibility flash to make it work. You can guess what's coming. I picked the wrong one and now the device does the following:
Reboot loop
Black screen (backlight though)
PWR+Vol up no longer gets to recovery
Vibrates constantly between reboots (due to wrong patch I'm guessing)
ADB picks up the device for a split second between reboots but "adb reboot recovery" does nothing. Even when using wait command. Tried "fastboot flash recovery cwm.img" after wait command, no luck. Is there anything else I can try?
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