yashsingh1/xdaforums huggingface dataset:
[MeMO Pad 7 General] Shadeclan:
Thank you

Thank you very much. This looks like a massive thread and I will read through it as best as I can but the immediate page in the link you posted doesn't really answer my question - will this work with a ME176C

E

? Do all these ROMs and MODs and such work on the entire ME176C series or are they limited to the CX? The CE has a faster processor and more RAM than the CX - is that going to make a difference? Or is it like Linux - it'll work regardless (to a certain point) of the hardware?
[MeMO Pad 7 General] Ruben Craveiro:
if the cpu you have says its 1.8ghz (but its 1.3ghz and boosts up to 1.8ghz), the only difference in the CE model is the amount ram, so im guessing downgrading should work with no problems since its pretty much everything the same except amount of ram
[MeMO Pad 7 General] Shadeclan:
OK ...

OK, that sounds reasonable. So, the post you linked me should allow me to roll back to Kit-Kat. I will study that until I feel confident that I can follow the steps without making a stupid mistake and bricking my tablet.

Thanks for the link - I was studying this thread and saw a post that said you need to have ASUS browser pre-installed or the ROM installation will fail. This is a refab tablet and the ROM they installed appears to be from Google - it's very heavy with Google apps. Also, Google Play claims that the ASUS browser is incompatible with my tablet, so installing it appears to be out of the question.

Thanks again for all the help. Wish me luck. I'll let you know if I was successful.
[MeMO Pad 7 General] jerbear294:
How close to AOSP is this ROM? Because if it's very close, do you think you'd be able to get a ROM backup via Nandroid or something and share it?
[MeMO Pad 7 General] Shadeclan:
About the ROM

Please forgive the newbie questions. I am a programmer but not for Android and the terminology is all different and somewhat confusing to me.

I assume that, by ASOP ROM, you mean a ROM from the Android Open Source Project. I don't know how to tell how close to ASOP this particular ROM is but I can tell you that there are no ASUS apps on my device at all - only the Startup screen shows any references to ASUS - I know what sort of apps to expect on an ASUS tablet because I owned an ASUS Me173 that I bought brand new (and solidly bricked last November:crying:) and I remember what was on it.

The ROM on my current tablet is Lollipop 5.0 and the "fingerprint", according to CPU-Z, is asus/WW_epad/K013C.5.0/LRX21V/WW_epad-12.9.3.2.2-20150106:user/release-keys. Hope that helps in identifying what sort of ROM it is.

I've never used Nandroid or any sort of root-dependent backup tool with my tablet. Looking at Google Play, are you referring to the Nandroid tools by Thomas Otero or do you mean some sort of Windows / Linux app? I assume that I'll need to do a factory reset of the tablet first, in order to get rid of my account info, before I create a ROM backup for you - that almost certainly means some sort of Windows / Linux tool. Can you provide a link?

Do you want both the Lollipop and Kit-Kat ROMS when I am done? Unless you want to make some modifications to the Lollipop ROM, I'm not sure why you'd want it. The bluetooth is almost entirely non-functional, battery drain is fairly heavy and the sound is not the best. The major reason I want to downgrade to Kit-Kat is because I've read several articles about Lollipop 5.0 causing these sorts of issues on MeMO pads.

If you do modify it to work on an ME176CE, I might be interested in taking a look at it.
[MeMO Pad 7 General] daspex:
Hi jerbear,

looks like google modified the rom for school tabs...

https://support.google.com/edu/android/answer/3402682?hl=en
[MeMO Pad 7 General] Shadeclan:
Jerbear, Do you still want my ROM or does this new info give you a handle on where to get a copy?
[MeMO Pad 7 General] jerbear294:
Looks like I can get it elsewhere.
[MeMO Pad 7 General] Shadeclan:
Ok. Let me know if you need anything else from me. Thanks again!
[MeMO Pad 7 General] Ruben Craveiro:
can you do a backup and give it to me so that i can try it? i hate ZenUI, worst nightmare ever.
[MeMO Pad 7 General] Shadeclan:
Sure Thing - Little Help?

I'd be happy to but I’m having trouble doing a backup. I installed TWRP and the full backup is giving me an error:confused:. Could use a little help here - tablets don't seem as straightforward as computers. If there's another tool I should be using, procedures I should be going through or hardware I need available, I'd like to know what that would be. The quicker the help, the quicker I can have this backup created and uploaded to Google Drive for your perusal.
[MeMO Pad 7 General] Ruben Craveiro:
try doing the backup to internal storage, it might be because you might be bqcking it up to microsd and it only allows 4gb of data at a time
[MeMO Pad 7 General] Shadeclan:
Did that. Gonna try a factory reset, reinstall TWRP and try again.
[MeMO Pad 7 General] Ruben Craveiro:
what version are u using?
[MeMO Pad 7 General] Shadeclan:
Posted a link to it about 2 posts ago. Just downloaded it on Saturday - should be the most recent version.

---------- Post added at 03:09 PM ---------- Previous post was at 02:21 PM ----------

Reset to factory and TWRP still isn't working. Suggestions?
[MeMO Pad 7 General] Shadeclan:
Nothing I'm doing seems to be working. I got Nandroid to create a backup but the bootloader won't restore it. The bootloader seems to choke on everything except the stock restore. Not sure what to do here. Looking at CPU-z, the bootloader is an unknown - no info on it whatsoever. I had to bring up the bootloader itself to get any info on it:

Product Name: K013C
Variant: K013c 16
HW_Version: 2
Bootloader Version: WW_epad-12.9.3.2.2-20150106
IFWI Version: 205.05
Serial Number: F1NKCV000394
Secure Boot: Yes

The secure boot section is the likely culprit for this problem. I doubt that anything I would try to flash to my tablet would actually take.
[MeMO Pad 7 General] Ruben Craveiro:
If you have your device rooted simply make a dd backup (im guessing it uses same partition table) do on terminal emulator with su access this command

" dd if=/dev/block/by-name/system of=/sdcard/system.img " that should make a full system backup, if you dont have root, use the inbuilt terminal on TWRP, upload it here after, also do " dd if=/dev/block/by-name/boot of=/sdcard/boot.img " for boot.img
[MeMO Pad 7 General] Shadeclan:
I do have the tablet rooted but the normal rooting didn't take - I had to use the root method for the ZenPhone 5, which I found strange.

So, TWRP has a terminal emulator, eh? I'm at work right now and here we have only Windows 7. Perhaps, I'll give the TWRP terminal a try ...

---------- Post added at 04:03 PM ---------- Previous post was at 03:16 PM ----------

I'm using TWRP Manager, downloaded from Google Play - I can't find reference to a terminal emulator in the app. I did find several terminal emulators on Google Play, including Termux - I assume that would be equivalent? I'll go ahead and grab it from Google Play and it'll install as soon as I can find WiFi access.

I notice in root/dev/block/ what appears to be a link called "by-name->platform/80860F14:00/by-name" - is this what you mean by "by-name" in the path?
[MeMO Pad 7 General] russy23:
You lot make me laugh
[MeMO Pad 7 General] Shadeclan:
Hey - I admit my ignorance. I've never done anything like this with a tablet before and I'm trying to understand what's going on.
[MeMO Pad 7 General] Nexive:
I saw that you use TWRP Manager app to make a backup.

Maybe you can use the temp TWRP recovery instead to make a backup and use the terminal.

Here is the guide to boot into the temp TWRP recovery:

https://xdaforums.com/android/development/intel-android-devices-root-temp-cwm-t2975096

Sent from my MeMO Pad 7
[MeMO Pad 7 General] Shadeclan:
Well, I tried. It blows up at the bootloader.

I'll check it out but I doubt I'll be successful. TWRP seems to needs a patch to work but no patch is available for my tablet
[MeMO Pad 7 General] Ruben Craveiro:
TWRP Manager isnt TWRP.. TWRP is a recovery, theres no official twrp for our device so theres no way your doing that right... The terminal emulators are useless if you dont have root and for what ive seen on your bootloader info, secure boot is ON, which i think it wont let you use temporary recovery to root/flash modified ESP that unlocks bootloader.... So i think theres no way of rooting that model/backing it up... But i might be wrong about secure boot, but if not, try getting a Powered OTG Adapter and a keyboard and try to load UEFI and disable secure boot and try to load temp recovery again
[MeMO Pad 7 General] Shadeclan:
Thanks for getting back to me. I thought that might be the case as far as the bootloader is concerned.

That info on dd was misleading: I found several articles that explained that the dd command would not back up everything.

--- >>> I do have root. <<<---

I'll look at UEFI - I noticed some articles on it when I was looking for bootloader info.
[MeMO Pad 7 General] Ruben Craveiro:
you only need to backup system and boot.. not the whole emmc partitions, doing the system backup, it "clones" the whole system partition, same to boot partition...
[MeMO Pad 7 General] Shadeclan:
You're speaking of the dd command, I assume. Will that be sufficient to give you a flashable ROM?
[MeMO Pad 7 General] Ruben Craveiro:
yes, ill then use the dd method to instead of pulling system, im actually putting it on system partition of this tablet, same to boot, dd method is a way of backup used in 64bit mediatek devices since they dont support mtk droid tools (a backup tool that does also other things, only mtk), if it works ill make a flashable zip
[MeMO Pad 7 General] Shadeclan:
>>>Need A Response, Mr. Craveiro<<<

OK, then.

In this post, I asked you a question about the Input File (IF) parameter of the DD statement. In the path, you indicated a node called "By-Name". I don't have that node in "/dev/block/" on my tablet but I do have a link in the "block" folder that has "by-name" in it. I asked you this question before but you didn't get back to me - is this link what you meant when you said:

:confused:

I need this question answered before I attempt this.
[MeMO Pad 7 General] daspex:
Have a look at this.....

https://www.packtpub.com/books/content/extracting-data-physically-dd
[MeMO Pad 7 General] Ruben Craveiro:
I think i found the device model of 2gb ram, and maybe reason why its not with zenui, it was released by intel and doesnt seem to be anywhere on asus website: http://www.intel.com/buy/us/en/prod...pad-7-me176ce-a1-edu-16gb-black-tablet-499872
[MeMO Pad 7 General] Shadeclan:
Failure.

They seem to want an awful lot for it.

I'm afraid I trashed the ROM somehow. A factory reset has caused the tablet to become unbootable - I'm stuck on the welcome wizard. I'm sorry but I won't be able to provide you with a ROM. I'm dead in the water.
[MeMO Pad 7 General] Saarge:
do you have errors when you try to wipe cache and data?

If yes, using the tethered recovery, convert the filesystem to another, do a wipe, then return to the original filesystem, wipe again (for both) then reboot.
[MeMO Pad 7 General] Ruben Craveiro:
i dont think he can use tethered recovery, secure boot is on
[MeMO Pad 7 General] Shadeclan:
I wish I could just send the tablet to someone who knows what they're doing, especially where unlocking boot-loaders are concerned. I'm a programmer by profession but, as far as Android stuff is concerned, I'm just shooting in the dark.

While I may have no idea what I'm doing, it seems to me that the tablet needs to have the OS installed / reinstalled / flashed, whatever you call it. With the Boot-loader locked like this, it's impossible. It's very sad too, since this is a nice tablet.
[MeMO Pad 7 General] Ruben Craveiro:
Secure boot is on but you can make it off with an otg adapter (a powered otg hub) with a keyboard, and boot to UEFI/BIOS like you do on a normal pc and disable secure boot, after that you should be able to boot tethered recovery and backup system partition along with boot, but this is just a guess, most likelly will work or that im wrong about secure boot and you can load tethered recovery without having to do anything like that, just boot to bootloader conect tablet to pc, load recovery, and if it boots, make a backup of system and boot on external_sd and then upload it somewhere so that we can download it
[MeMO Pad 7 General] Shadeclan:
OK - Load Recovery? I've gone into the bootloader and chosen recovery - it always gives me a dead android when I do that. Half the time, the tablet won't go into the bootloader when holding down volume down + power.
[MeMO Pad 7 General] Ruben Craveiro:
When it does go to the bootloader, it goes in a state that is 'listening' for commands, or boot from the options that show. What i mean from boot tempprary recovery i dont mean the original recovery, i mean a recovery that is temporary that sends commands from pc to the tablet that makes it boot a custom recovery, the temporary recovery is here: https://xdaforums.com/android/development/intel-android-devices-root-temp-cwm-t2975096 Open the tethered recovery and should show up a CMD prompt, write ACCEPT, then 2 and then T4 it should start sending the commands to the tablet and boot to custom recovery, from there you will have a few option in which one of them envolves backup, select where you want to storage the backup, and backup system and boot do a external sdcard, from there simply upload it somewhere we can download it. Regarding the android robot with an error you have to press all 3 buttons at SAME time for about 2 seconds, and it should disapair and show a list of commands, but this recovery does not backup system/boot...
[MeMO Pad 7 General] Shadeclan:
OK, that seems pretty straightforward - I think I can try that. Unfortunately, my tablet is at home right now. There's about 5 hours difference between you and me (US east coast is GMT -5) but I'll get back to you about whether or not this works as soon as I can.
[MeMO Pad 7 General] Ruben Craveiro:
alright, lets just hope it works ?
[MeMO Pad 7 General] Shadeclan:
I'm having trouble putting the tablet into the bootloader. I can get it to go into FastBoot mode but recovery fails. I'll try again tonight.
[MeMO Pad 7 General] Ruben Craveiro:
Press Power and Vol- i think thats the combo to boot onto bootloader(the place where u can boot original recovery, thats the bootloader), you dont enter anywhere and try to load the temporary recovery from the computer to the tablet with the things i said on previous post, it should boot, but make sure ADB drivers are installed, on the cmd if the letters are all in blue it means its detected if they go RED it means its either an error loading the recovery to the tablet or its not being recognized due to no drivers/ wrong install
[MeMO Pad 7 General] Shadeclan:
No, I'm getting blue letters - that part is fine.

The sequence for entering bootloader is supposed to be "vol down + power" but it's not working. "vol down + vol up + power" puts it into FastBoot but that mode doesn't work with your script. When I get home tonight, I'm going to try going into FastBoot mode and holding "vol up + vol down" to see if it gives me the option to enter the bootloader.
[MeMO Pad 7 General] Ruben Craveiro:
If your somewhere where it says Fastboot starting #1#2#3 thats called DnX mode, try vol+ and Power, go to where it says boot to recovery, reboot bootloader or poweroff, simply try making the command in there, it should boot automatocly to the custom recovery if not, boot to the original recovery (where it stays a dead android/broken) and press all buttons at same time and should show a list of options and you can factory reset the tablet, and be able to do the setup wizard and make the dd backup from terminal emulator with root. Also, its social design concepts temp recovery not mine.
[MeMO Pad 7 General] Shadeclan:
OK, thanks for the tip. :good:

Hope to have something for you tomorrow.
[MeMO Pad 7 General] Shadeclan:
Success!

OK, I was able to bring up the bootloader. I booted into the non-functional start-up wizard and held the power button in until the tablet shut off. Then, "vol down + power" brought up the bootloader again. I used your script and was able to backup system and boot partitions.

I also was able to do a restore from one of the backups I had made earlier. However, now the tablet won't boot into anything but the bootloader.

As soon as I'm done compressing the files, I'll upload them for you.

......

Here you go: https://drive.google.com/open?id=0B4P9kYUOItyDa3pLbHZ2WXhHS00
[MeMO Pad 7 General] Ruben Craveiro:
ill try to boot it when i get home, ill make a flashable 'stock' rom and give it for you to fix ur tab
[MeMO Pad 7 General] Shadeclan:
Thank you very much!

It'll also come in handy if my attempt to downgrade to Kit-Kat fails.
[MeMO Pad 7 General] Ruben Craveiro:
Well i didnt had school today(yes im still in school xD), so im gonna try to do it now, im just extractibg the backup and going to restore with twrp.

EDIT: Restored now in boot animation waiting for it to finish boot.

EDIT2: Its encrypting the tablet for some reason..
[MeMO Pad 7 General] Shadeclan:
Warning

Be careful! Also, pay close attention to the Permissions file! I messed with it a little and, although I restored the original file, that's when things went bad.

---------- Post added at 11:37 AM ---------- Previous post was at 11:35 AM ----------

I believe that my tablet does have encryption ...
[MeMO Pad 7 General] Ruben Craveiro:
if something goes wrong i can allways restore again, ill problably edit the system so that it doesnt encrypt the device..
[MeMO Pad 7 General] Shadeclan:
That would be fine with me.:good: I don't really need an encrypted tablet.
[MeMO Pad 7 General] Ruben Craveiro:
ok, and if its not encrypted its going to be faster to load apps, files etc...
[MeMO Pad 7 General] Shadeclan:
... also a plus.

Getting ready for work, now. I'll check in when I get there, about 8 am my time (2 hours from now).
[MeMO Pad 7 General] Ruben Craveiro:
Just booted completelly, no ZenUI bloatware at all, thats a plus, but i cant open the notifications, google play services closing, wifi doesmt turn on, ill try to factory reset and see if that fixes the problem
[MeMO Pad 7 General] Ruben Craveiro:
I think wifi drivers arent the same on both devices since it doesnt seem to be working..
[MeMO Pad 7 General] Shadeclan:
That is similar to what was happening to me and may be due to the permissions file issue. If you do a factory reset, you will find that your tablet will not boot past the setup wizard.

I noticed that, until I was able to restore the system files with my old backup, the internal hard drive had zero bytes available. I'm sure that whatever happened to the permissions file caused this issue. If you have the knowledge and ability, replace the file with the correct one - then try again. What I did, I did incorrectly.

I can upload an unaltered copy of the permissions file tonight if you need it.

At this point, I'm left with a tablet stuck in a bootloader loop. Using your script, I plan on trying to restore just the boot partition from the backup I sent you to see if that resolves the issue. If not, I will move forward with attempting to install Kit-Kat.
[MeMO Pad 7 General] Ruben Craveiro:
I had my /data partition corrupted, i was able to erase it eith fastboot, and now im trying to restore system and flash my modified boot.img but system doesnt seem to restore completelly... Also can you tell me what file you changed? Ill problably need it and tell me from what directory it was originally
[MeMO Pad 7 General] Shadeclan:
Sorry, it was the Platform.xml file, not the permissions file :p. I was trying to open up permissions on the SD card. Here's the post I got the info from. File path is "/system/etc/permissions/platform.xml"
[MeMO Pad 7 General] Ruben Craveiro:
That cant be the reason to why wifi isnt working, also, i ifigured out why i could restore, samsung microsd are crap if theyre more than 32gb... it forrupts very easily, im now going to restore again with a different microsd
[MeMO Pad 7 General] Shadeclan:
Can't say that I've ever liked any Samsung stuff, especially their phones and tablets. They seem very overpriced for what they give you - kind of like IPhones.

There must be a way that you can restore your working WiFi drivers and keep the rest of the system. Hope you figure it out.
[MeMO Pad 7 General] Ruben Craveiro:
It must be drivers fault but from the actual system not boot.img, since i cant even charge the device (only charges when in bootloader, recovery or off)
[MeMO Pad 7 General] Shadeclan:
That's bad. Are you able to restore your ZenUI ROM?
[MeMO Pad 7 General] Ruben Craveiro:
yes, but im not giving up that soon
[MeMO Pad 7 General] Shadeclan:
OK, I'll leave you be.

From one nerd to another: Qapla'!
[MeMO Pad 7 General] Ruben Craveiro:
Im already successfully fixing some things, the battery can charge now, i only need to fix Wifi and Bluetooth
[MeMO Pad 7 General] Shadeclan:
That's wonderful!

Just had a thought. If you can fix the Bluetooth problems and resolve the battery consumption issues, I wouldn't have to try to flash Kit-Kat to my tablet. Still might try it, though - my favorite browser doesn't seem to work with this version of Lollipop. However, the browser issue might be due to the WiFi connectivity issue you're having.

You might fix all the issues I'm having. Wow - wouldn't that be something? :highfive:
[MeMO Pad 7 General] Ruben Craveiro:
battery consumption issue you can fix with kernel adiutor and a profile that jearbear made, i dont remember where but it enhances the battery a lot more, about bluetooth i dont know anything about that...
[MeMO Pad 7 General] Shadeclan:
I'll have to look for that - that would be great.

Bluetooth has never worked on my tablet - that's one of the issues I've been having and one of the reasons I wanted to downgrade to Kit-Kat.
[MeMO Pad 7 General] Ruben Craveiro:
And the wifi? did it ever stop working?
[MeMO Pad 7 General] Shadeclan:
WiFi always worked - just that it didn't work with a particular browser.
[MeMO Pad 7 General] Shadeclan:
Eh ...

Well, I have some bad news, some good news and some indeterminate news.

The bad news is that I tried to load Kit-Kat onto my tablet and I don't think it's working. The tablet may not have the right firmware for this particular Kit-Kat ROM.

The good news is that it seems the process has broken the Secure Boot on the bootloader and I have access to the BIOS now. I'm in the process of getting a keyboard adapter so that I can plug in a proper keyboard and change how and where it's looking for the OS and turn off boot security completely. Doing so may allow me to finish downgrading to Kit-Kat - or it might not. I guess I'll see.

The indeterminate news is that it seems to be looping into the BIOS now and I'm not sure I can make it stop. I'm hoping that if I change where it's looking for the OS, that I can make it look at the SD card, thereby loading whatever OS I choose to place on the tablet.

I may have to replace the bootloader at this point. It was misbehaving, anyway - I wasn't always able to get into it with the "vol down + power" key combo. Anyway, I could use some more assistance with all this. I may be close to bricking the tablet and I need to be careful.
[MeMO Pad 7 General] Shadeclan:
Problem ...

Any trick to plugging in a standard keyboard to this tablet? Borrowed an OTG adapter from a friend and the tablet won't recognize the keyboard. I ordered another one on Amazon in case my friend's adapter is broken but I'm beginning to worry that this isn't going to work.
[MeMO Pad 7 General] daspex:
Maybe you have to activate the usb keyboard in the uefi of the device and does it recognize the mouse?
[MeMO Pad 7 General] Shadeclan:
UEFI? Not a chance.

Nope. Doesn't recognize either keyboard or mouse. Isn't sending any power to either device. Maybe I have to get a self-powered device?

No chance of getting to anything in the device right now. I have access to 2 things - fastboot and the BIOS ... although it might not be the BIOS. It looks like the sort of interface you'd expect to see in a BIOS but it says it's a setup utility.