yashsingh1/xdaforums huggingface dataset:
[Miscellaneous Android Development] OtVang:
Any body help me please!

I faced the same with my A1-811:(

I need the file for recovery from sd card so have not link to download.

any body help provide me, please!

Thanks!
[Miscellaneous Android Development] :
Can you boot into Recovery or is it completely dead?

If you can get into Recovery try loading this file below from an SD Card.

Here's the WW GEN1 firmware ZIP for A1-811:

http://global-download.acer.com/GDF...&Step3=A1-811&OS=ALL&LC=en&BC=ACER&SC=EMEA_27

Other firmware releases can be found on - http://www.acer.co.uk/ac/en/GB/content/drivers
[Miscellaneous Android Development] OtVang:
Thanks so much,

I will be download and try - this tablet boot loop only, can boot in Recovery mode.

Thanks!!!

Tried - this file bring back my tab life - Thanks so much!

One more - can you provide me the link other version file? this version cannot root as warning in first post.

and this link for drivers only: http://www.acer.co.uk/ac/en/GB/content/drivers

Thanks!
[Miscellaneous Android Development] DiiKanaix96:
hi there guys, i've recently bough a iconia b1-720 but i removed ofc the bloatware with root, but i guess i've done something wrong and can't access now the developers options because when i click on: about tablet, settings crash, can somebody help me out ? i've already done a factory reset and this still is on the same thing, reply ASAP

(i've searched on the support website and i couldn't find the original stock rom :/ )
[Miscellaneous Android Development] AmjadNaz:
Guys big help neeeded please!!!!!!

Hi guys i have an iconia b1-a71 rv04rc05 (chinese version)

i tried to root it with the tool kit and now its stuck on boot-loop

can anyone give me some advice on how to fix this

thank you in advance

please help me guys im trying to go through the whole thread

to see if i can find any solution
[Miscellaneous Android Development] :
From that Acer link you have to select these from the 3 boxes: Tablet > Iconia A > A1-811

Then select the "O.S." tab for the firmwares, but I'm not sure you can flash just any firmware, it has to match your region and there is only one file per region that is available.
[Miscellaneous Android Development] AmjadNaz:
help me to Root from scratch (Unix only) my b1-a71 rv04rc05 (chinese version)

can anyone please help me to Root from scratch (Unix only) my b1-a71 rv04rc05 (chinese version)

i have a unix os runnig on vmware PLEASE!! thankx

---------- Post added at 04:42 PM ---------- Previous post was at 04:13 PM ----------

Does anyone have a backup of their b1-a71 rv04rc05 (chinese version) so i could use it to restore my bootlooped device

please if anyone can make me a backup file, i'd be eternally greatfull
[Miscellaneous Android Development] Optimissimus99:
You can make one your self. There is a point like "pull system.IMG" in the toolkit, if you select it, you'll get your system.img.gz ;) to root it just select root from scratch :)
[Miscellaneous Android Development] AmjadNaz:
Nope i cant do that my tab is already in root-loop i cant start it, and the software does not work when the tab is in boot loop
[Miscellaneous Android Development] Optimissimus99:
Oh ok i understand... But Sorry, i have the A1 ;)
[Miscellaneous Android Development] AmjadNaz:
Ahh no problem mate, thanx anyway!
[Miscellaneous Android Development] AmjadNaz:
YES YES YES!!!!!!!!!!! IT WORKED!!!!!!!!!!!!!!!!!!!!!!!!! i had the damned RV04RC05. chinese version and it got stuck at boot-loop and after i tried installing the RV05RC05 it stuck halfway but when i reebooted it worked!!!!!!!!!!!!!!!!!!!!!!!! Thanks for the tip bro!!!!!!
[Miscellaneous Android Development] OtVang:
Thanks for your help, :good:

But seem be have only one the last version showed- even clicked in all buton.:silly:

Untill have no solution for this now - that is the best for me:laugh:
[Miscellaneous Android Development] Optimissimus99:
As you know, Acer has confirmed A1 810 4.4 Update again yesterday. We must find a good root solution for that. When the update rolls out I can help with logs and more. I think it will be unrootable with this tool then like the 811 JB and the 830
[Miscellaneous Android Development] Shooting Star Max:
What about Towelroot? Do you guys think it will be able to root this supposed Kitkat update?
[Miscellaneous Android Development] entonjackson:
Good job, but still the 2 need parameters are missing. seek and count.

For example, this is the info the dumchar_info provides:

android 0x0000000015e00000 0x00000000020e8000 2 /dev/block/mmcblk0p3

this line tells me where the partition starts and how long it is. sorry, but this is the info i need at least.
[Miscellaneous Android Development] Optimissimus99:
It is working on 810 Jelly Bean or on 830 Kitkat? If not, forgot it ;)
[Miscellaneous Android Development] andrewbat:
Hi

I have an A1-810 which I successfully rooted using 'Root from Scratch' using Lubuntu.

Can anyone instruct me on what I need and need to do to unroot pear
[Miscellaneous Android Development] Optimissimus99:
Take the stock system.IMG (can be downloaded) and put it in the folder. Then "Root" with perooted image. Wait till its complete, reboot and it should be stock
[Miscellaneous Android Development] OrTiN:
Hi,

are you planning to add the B1-730?
[Miscellaneous Android Development] entonjackson:
i would if you give me the content of

/proc/dumchar_info and

/system/build.prop
[Miscellaneous Android Development] andrewbat:
Excuse the novice question...what folder to I put it in?

Are there any other detailed instructions I should know about?
[Miscellaneous Android Development] Optimissimus99:
I don't know the exactly Name of the folder, but in it was a file called "put in system.img.gz here" ;)
[Miscellaneous Android Development] OrTiN:
Okay will check it.
[Miscellaneous Android Development] Optimissimus99:
Super: the Kitkat update for The A1 810 arrived. Right now im unrooting with the 596 MB stock img gz, then i will upgrade it with official Acer KK Rom. Hell Yes :)
[Miscellaneous Android Development] fnldstntn:
i updated my tablet but still 4.2.2..
[Miscellaneous Android Development] andrewbat:
Unrooting

Hi [MENTION=3392632]entonjackson[/MENTION]

Is it just a matter of placing on an sd card and renaming to update.zip... Then running update through recovery?

Any and all help appreciated

---------- Post added at 10:25 AM ---------- Previous post was at 10:21 AM ----------

Are you able to give some simple step by step instructions on what to do please?
[Miscellaneous Android Development] entonjackson:
Rename what to update.zip? I don't think you have to rename anything to update.zip
[Miscellaneous Android Development] andrewbat:
OK... Sorry... I'm confused it seems.

To flash back to stock what must I do... Are there instructions somewhere that I have missed?

I rooted the tablet using Root from Scratch using Lubuntu... But an having a mind block when it comes to unrooting.?.
[Miscellaneous Android Development] entonjackson:
1. put a stock system.img.gz in the system_image folder

2. in my toolkit choose root, as if the system.img.gz was a rooted one
[Miscellaneous Android Development] andrewbat:
I'm so struggling today....sorry :(

Where do I find the system_image folder...I can't find it???

Also, do I need to take the word 'stock' out of the front of the name... stock.system.img.gz??

Again...sorry for my obvious noob questions
[Miscellaneous Android Development] Optimissimus99:
For the 810 KK update: it has two parts, the first is another JB update, wich prepares the tab for KK, Ehen u have this one, u should get another (over 200 MB, the first is just 1xxmb big) one wich is the real KK update. But mine just showing that the update service is unreachable (yes-completely unrooted)
[Miscellaneous Android Development] andrewbat:
How did your unrooting go?
[Miscellaneous Android Development] Optimissimus99:
I was on RV27RC03 WWGEN1 and downloaded the file (wich i uploaded a half year ago :D entonjackson addad it as stock image) and "rooted" it with prerooted Image. (/!\ You must have PTP mode enabled, with mtp i failed everytime) and it unrooted, but i cant get the update. (Error 1004) After a factory reset the update worked. Now Im on JB RV31_RC03_WW_GEN1. The Kitkat update must come soon for WWGEN1, because on some other Region Codes it rolled out already :)
[Miscellaneous Android Development] andrewbat:
Unrooting

I have tried to download the stock image twice in the last 2 hours and both times it fails in the middle of the download...

Are there any other mirrors?

Are there any known problems at the moment with MEGA [MENTION=3392632]entonjackson[/MENTION]?

Any other help appreciated in advance...thanks guys :)
[Miscellaneous Android Development] Optimissimus99:
The stock image is shared on uptobox ;) (at least the rv27 wwgen1 one)
[Miscellaneous Android Development] nichitandrei:
What do you need exactly, the Acer Tool Kit or what?
[Miscellaneous Android Development] andrewbat:
Unrooting

Sorry...it's uptobox that keeps crashing mid download.

---------- Post added at 01:36 AM ---------- Previous post was at 01:33 AM ----------

What i need is the stock system.img.gz for the A1-810 - RV27RC03_WW_GEN1
[Miscellaneous Android Development] Optimissimus99:
Mhh, try it on an another device, for me it works
[Miscellaneous Android Development] andrewbat:
Unrooting

Just tried to download a third time and it crashed again... sheesh... :confused::confused:
[Miscellaneous Android Development] nichitandrei:
Here is the stock system.img.gz for the A1-810 - RV27RC03_WW_GEN1

https://dl.dropboxusercontent.com/u....img.gz for the A1-810 - RV27RC03_WW_GEN1.zip
[Miscellaneous Android Development] andrewbat:
Thanks so much..

I've quit for the day so to speak (bed)...duo will grab it in the morning.

Thanks again
[Miscellaneous Android Development] nichitandrei:
No problem
[Miscellaneous Android Development] smoma:
Yesterday my tablet notification for new update , but I can not update my 810 tablet and say there not enough SPACE IN download system cash ? . I unroot my device with voodoo ota app
[Miscellaneous Android Development] OrTiN:
How can I get there without root?
[Miscellaneous Android Development] entonjackson:
with adb pull /proc/dumchar_info and adb pull /system/build.prop
[Miscellaneous Android Development] Galaxyfire:
can anyone update to latest Version after unroot ?

I unroot with the stock System.img.gz
[Miscellaneous Android Development] DRS2442:
Can't wait to update to KK! And if they plan to drop support, I wish they'd just give us the tools to unlock the bootloader :'(

I'd really like to see L on this tablet, but I doubt they'd release it for us when it gets officially released
[Miscellaneous Android Development] LaosPerson:
So which build number is the one with Kitkat for the A1-810? :confused: Also since I have the PA CUS version, can I install the WW version or just the PA CUS?

Actually the real question is how can i completely unroot? I have build RV26RC06_PA_CUS1
[Miscellaneous Android Development] nichitandrei:
I had the same problem, but I didn't had anything important on the tablet so I could install the stock rom. For me it fixed my problem.
[Miscellaneous Android Development] smoma:
I solved this problem , just erase cash partition , I can download update package but can not install and in middle install take error , i think this problem case of that my tablet is rooted . i want to unroot my device , what to do ?
[Miscellaneous Android Development] fREAST:
I'm only getting the error 1004 when trying to update, I have RV27RC03_WW_GEN1 stock(not rooted).
[Miscellaneous Android Development] slasherzx:
I have updated my acer iconia a1 810 with a 130mb file size.. I though I will get kitkat.. After the update its still 4.2..

Mine is stock rom unrooted..

Anyone know the patch notes...?
[Miscellaneous Android Development] gansolc:
I can not unroot my acer a1-810 !

failed to copy 'system_image/system.img.gz' to '/cache/system.img.gz': Permission denied

Failed to copy system.img.gz. Make sure the folder 'system_image' of this toolkit contains a system.img.gz suiting to your installed firmware.

https://plus.google.com/communities/101455764572576749911
[Miscellaneous Android Development] Optimissimus99:
Please read at least the two latest pages, and you'll know
[Miscellaneous Android Development] derdar:
RV21RC02_WW_GEN1

update.zip link is dead. I need this update please!
[Miscellaneous Android Development] fnldstntn:
http://xdaforums.com/showpost.php?p=51688793&postcount=2876
[Miscellaneous Android Development] derdar:
It didn't help. I need update.zip
[Miscellaneous Android Development] smoma:
for unroot download frimware from acer site and copy frimware (update.zip) to sd card and run update from recovery ( press vol+ when turn on tablet)

---------- Post added at 11:02 AM ---------- Previous post was at 10:59 AM ----------

set tablet date to two days next . and turn off wifi and turn on wifi again , update notification appear and you can download it

---------- Post added at 11:05 AM ---------- Previous post was at 11:02 AM ----------

http://global-download.acer.com/GDFiles/OS/OS/OS_Acer_AV052.RV27RC03.WW.GEN1_A42J_A.zip?acerid=635317657660353745&Step1=TABLET&Step2=ICONIA%20A&Step3=A1-810&OS=ALL&LC=en&BC=ACER&SC=PA_6
[Miscellaneous Android Development] gansolc:
thank you very much !!! it works fine !! i love you brother :good: you saved my life God blessed you:laugh:
[Miscellaneous Android Development] derdar:
!

thank you! as you suggested I made sdcard update then my tablet was being bootloap AND now its hard bricked I can't turn it on!
[Miscellaneous Android Development] smoma:
What is your your tablet model ?

It is Acer recommended solution for her partner , maybe update progress is not complete .

Tell me more information about your tablet i should can help you .
[Miscellaneous Android Development] derdar:
iconia a1-810. it was completed i clicked restart then it started bootloop. I powered it off now it is not powering on. it's useless now, no-power. I cant connect it to pc either.
[Miscellaneous Android Development] Optimissimus99:
Did you tried to reset it with the reset button?
[Miscellaneous Android Development] derdar:
yes It didnt help, I tried all button combos but nothing..
[Miscellaneous Android Development] Moriveon:
B1-a71 unbricked

I'm here to say to you about we have found the way to unbrick/flash our

A71

's!

It will take some time to translate the guide, but I will post the link as quick as I can!
[Miscellaneous Android Development] amin1374:
I'm only getting the error 1004 when trying to update AND im use this way( et tablet date to two days next . and turn off wifi and turn on wifi again , update notification appear and you can download it)

but still getting error 1004 !

my tablet acer iconia A1 810 16 GB

image version is:av052_A1-810-RV03RC08_WW_GEN1 could isntall stock rom with image version SD_Acer_A1-810_AV052.RV00RC00_AV052.RV27RC03_WW_GEN1

my tablet didnt Brick?
[Miscellaneous Android Development] Just_Another_N00b:
He means the paperclip-reset (pinhole)

---------- Post added at 04:58 PM ---------- Previous post was at 04:56 PM ----------

Tried it all too! I'm getting 1004 on an unrooted A1-810 too (_PA_CA canadian). Could be it is too busy at the update site, or something else (like no update yet available).

Has anybody with an A1-810 gotten either update? The JB pre-update or the KK final update?
[Miscellaneous Android Development] andrewbat:
Yes...got the JB pre-update...about 130mb.

I was rooted.

I download the stock pre-rooted image and followed the tool kit instructions.

I placed the image in the system_image folder... and removed the .gz from the name.

When I ran the toolkit I chose the root option...NOT unroot.

When it was done the tablet rebooted. At that stage I was not able to run update...I was getting the 1004 error.

I did a factory wipe data reset and it rebooted.

I then downloaded the update with no problem, installed update with no problem...and tablet is running fine...I'm just waiting for the next update to kit kat.

Hope that helps
[Miscellaneous Android Development] wbrambley:
I flashed the pre kk update on rooted tablet successfully. It is running fine. Lost root but I still have all the changes I made with xposed framework. (Gravity box, root cloak etc.)
[Miscellaneous Android Development] Moriveon:
B1-a71 unbricked

Here's the link to the guide: http://4pda.ru/forum/index.php?showtopic=458425&view=findpost&p=32237660

ONLY FOR B1-A71
[Miscellaneous Android Development] amin1374:
Finaly i'm get pre KK Update :) i hope comming soon KK for my region release :))))))
[Miscellaneous Android Development] fnldstntn:
i got the KK update 258 mb...
[Miscellaneous Android Development] Optimissimus99:
I also :)
[Miscellaneous Android Development] tfgu:
is it rootable with 8.3? (kitkat)
[Miscellaneous Android Development] ivoda:
I did that too, and it worked! :) Thanx! And installed KK also!
[Miscellaneous Android Development] Moriveon:
Can anyone pull system.img from updated A1-810?

I can try to make it work on A71;)
[Miscellaneous Android Development] DRS2442:
Got the KK update, installed GNL again over it, seems to be working fine. I'm just glad to finally have transparency and immersive mode.
[Miscellaneous Android Development] andrewbat:
Which GNL...three one in play store
[Miscellaneous Android Development] DRS2442:
I just googled Google Now Launched APK, and downloaded and installed that one manually. Its the same thing, and when installed, the play store shows it as officially installed, so it's legit
[Miscellaneous Android Development] gansolc:
kitkat 4.4.2

acer iconia A1-810

https://drive.google.com/file/d/0B-zNGEK89GvdZW5ualNhMy1FMWc/edit?usp=sharing

https://drive.google.com/file/d/0B-zNGEK89GvdMzZxYWNiZVZBdDQ/edit?usp=sharing

I loved this new update.. everything works perfectly :good:
[Miscellaneous Android Development] Moriveon:
Links are broken.
[Miscellaneous Android Development] gansolc:
sorry,okay now:laugh:
[Miscellaneous Android Development] Moriveon:
Permission requied. Please, make file downloadable without permission.
[Miscellaneous Android Development] jareee:
i need to unroot A1-810 before update? or it is working without problem with rooted image?

thanks in advance
[Miscellaneous Android Development] gansolc:
i unroot before update

http://xdaforums.com/showthread.php?t=2240029&page=327

last post..
[Miscellaneous Android Development] amin1374:
Finaly I Getting KK Update :)
[Miscellaneous Android Development] nichitandrei:
After KK update, any of you rooted his a1-810 as explained in the first page?
[Miscellaneous Android Development] Optimissimus99:
I tried to unlock the A1 810 with KK update. but still no succes :( ( rebooted to recovery, selected fastboot mode, it booted into fastboot and was detected as fastboot on PC, fastboot oem-unlock command not worked (showed help) but fastboot reboot worked for me
[Miscellaneous Android Development] Moriveon:
Since B1-A71 is now couldn't be 100% bricked, can someone try to port cwm/twrp to our tablets?
[Miscellaneous Android Development] Optimissimus99:
IT does not work, 1st how2 install the TWRP? with official recovery? No - has signature check fastboot - dunno, but could work, but it should work via direct formatting from Android System. But We cant get a custom recovery because bootloader locked (checks if the Image is Acer - Official)

To A1 Kitkat Users: Does this root work?

And i tried E-Root wich works on many MTK devices but no - it does not work :(
[Miscellaneous Android Development] knak2k1:
hi xda,

I want to use the acer toolkit but first of all I have to install the driver for my tablet B1 711.

I downloaded the following driver: goo.gl/i56Gn and installed it.

But when i plug in my tablet windows tells me "the device driver software was not installed"

any ideas? switched from MTP to PTP and tried it with USB Debugging on/off - same result.
[Miscellaneous Android Development] LaosPerson:
Anyone? I asked earlier wondering if I could install a firmware for a different region on my a1 810? I have the rv26rc06 pa cus1 firmware
[Miscellaneous Android Development] ivoda:
After update to kitkat, I can't use acer_iconia_toolkit anymore... :( USB Debugging turned on, drivers installed... :( I wanted to unroot in order to use some app - no root is a must...
[Miscellaneous Android Development] Just_Another_N00b:
No luck

Still no update for my A1-810, neither pre- nor the real update. I am checking (multiple times per day) with my non-root PA_CA machine and keep on getting the 1004 error.
[Miscellaneous Android Development] wbrambley:
Did you update the android SDK? It's needed for connection permissions.
[Miscellaneous Android Development] Optimissimus99:
You cant gwet an update with the 1004 ERROR, to get rid of the error, wipe the Cache via recovery ;) if this doenst solve the Problem, a full wipe will solve it ;) By the way: ART is working fine on 810 with KK
[Miscellaneous Android Development] t-minik:
the same to me wit A1-810 KK.

exemple with system pull attempt :

C:\Users\****>cd C:\AcerTK083

C:\AcerTK083>toolkit -d

======= Acer Iconia Toolkit v0.8.1 =======

Which device do you have?
[1] Acer Iconia B1-A71
[2] Acer Iconia A1-810 / A1-811 / A3-A10 / B1-711 / B1-720
[3] Acer Iconia B1-710 / B1-A710
[Q] Quit

Enter a selection: 2

======= Acer Iconia A1-810 / A1-811 / B1-711 / B1-720 Toolkit v0.8.1 =======

What do you want to do?
[1] Root
[2] Unroot
[3] Internal 2 External (needs root)
[4] Odex (needs root)
[5] Pull system.img.gz from tablet
[Q] Quit

Enter a selection: 5

=========== Pull System Image ===========
Before we can start, please do following:
1. Make sure drivers for your Acer Iconia A1-810 / A1-811 / B1-711 / B1-720 are installed, you can find them here: http://g
oo.gl/i56Gn
2. Plug-In your Acer Iconia A1-810 / A1-811 / B1-711 / B1-720 into this PC.
3. Enable USB Debugging Mode by going into Settings -> Developer Tools.

[ENTER] Continue
[Q] Quit

Enter a selection:

Trying to establish ADB Connection...
List of devices attached

32208053720 device

E: Couldn't connect to your Acer Iconia A1-810 / A1-811 / B1-711 / B1-720 over adb. Plug-In the device with USB-Debugging M
ode turned on.
Check if drivers are properly installed.
Press Enter to leave Application...

C:\AcerTK083>

Engineer mode seem changed.
[Miscellaneous Android Development] Zoló1981:
SUCCESS ! GENUINE FACTORY FIRMWARE 4.4.2 KitKat Installed !

Hurray ! Great !

Finally latest factory firmware update 4.4.2 KitKat is successfully installed !

Last week I installed the previous one but something might have gone wrong or wasn't completed fully 'cause nothing changed and version also remained 4.2.2.

Good bye, JellyBean !
[Miscellaneous Android Development] Shooting Star Max:
I think I will stay on Jelly Bean until a reliable root method is discovered for Kit Kat.

But nevertheless, it's nice to see Acer didn't forget about this tablet. Now, I would like to see an unlockable bootloader, but maybe I am expecting too much from a MediaTek-powered device...
[Miscellaneous Android Development] DRS2442:
The first update was to prepare the software for the KK update, so nothing went wrong, don't worry.
[Miscellaneous Android Development] Just_Another_N00b:
I have been doing that quite a few times, reloaded the ACER-supplied stock image, and wiped /cache via recovery (=Factory Reset). At least 6 times daily a /cache wipe(=Factory Reset) and once a day re-applied stock image update (all of this after unrooting (i.e. loaded my own pre-root [non-rooted] virgin system image in a fake root from image) and since then wiped/factory reset/load ACER stock image update so often, I can do it while not even looking at the tab.

So it could be my timing is off, the PA_CA update is late, or just something else. But I will keep on going until pre-KK JB is in there and KK right after that. The 1004 error is really annoying.

I am happy for those people where the update has actually happened, but until my KK is in, I will not use the tablet for anything else. Gets wiped out anyhow. And Helium on stock JB on the ACER has issues restoring (larger) backups, like Smurfs Village, Subway Surfer, etc.