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Thread: Unrooting my TF101

  1. #1
    Ratchet
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    Unrooting my TF101

    I bought a rooted TF101 6 months ago for my wife. It had Cornerstone built in, which I thought was pretty neat. It allowed the screen to be split into three.

    But my wife doesn't like it. She also says the internet is much slower than my TF101 (non rooted). SHe's tried all sorts of browsers and they all hang. Reboots needs to be done every 2-3 days.

    She wants me to sell it. I'd rather just unroot the darn thing back to stock and see if that doesn't fix the issue. Can anyone send me a link on how to do it or better yet, give me a checklist of things to do?

    Greatly appreciated!

  2. #2
    Bumblebee
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    If you have cornerstone you have a custom recovery which should make this easy.

    0. BACK UP any important files - This process will wipe absolutely everything
    1. Download the factory firmware from the ASUS site (make sure it is the US version)
    2. unzip it one time (they put a zip in a zip so you will still be left with a zip)
    3. place the zip on the root of the internal memory (not in any folders)
    4. shut down the tablet
    5. hold the power and volume down buttons until you see the white lettering in the upper left corner, then press volume up quickly.
    6. you should now be in your custom recovery (probably CWM)
    7. choose the option install zip from sdcard (volume buttons move the cursor and power selects it)
    8. make sure signature verification is turned off
    9. same option again
    10. select the zip file you placed on the tablet
    11. select yes

    This should bring the tablet back to full stock. I would recommend grabbing the newest firmware ending in .27 and I fully understand why she is having problems, cornerstone was extremely buggy and is abandoned now.
    Swipe likes this.
    TF101! - Running Domination built on my beautiful ArchLinux box!
    Samsung Galaxy S4 - Stock Sadly...
    Custom Built Desktop - Intel I7 w/ Windows7 & ArchLinux Dual boot - Go LINUX!
    I firmly believe that any man's finest hour, the greatest fulfillment of all that he holds dear, is that moment when he has worked his heart out in a good cause and lies exhausted on the field of battle - victorious. - Vince Lombardi

    Great Help Guide Here -> Frederucos Fantastical Forum Favorites
    And Here -> Master Help Guide

  3. #3
    Supporting Member
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    Cornerstone is a "resource hog" and is probably the reason the tablet is slow. You can use Overskreen Browser to get the same functionality (Multiple screens) - also do a search in the Google Play store for "floating apps" and you'll see there are a few other apps that provide windowed use. If you have not done a Cold Boot in some time that will also "speed up" the tablet as is "clears the cobwebs" and "accumulated flotsam" out. That procedure is in the Master Help Guide links below.

  4. #4
    TRANSFORMER FORUMS LEGEND
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    Sure, it is pretty easy. Cornerstone was pretty buggy, and I got rid of it back in May or June and went to Megatron.

    You may want to just try another ROM like Megatron or Revolver. But, flashing to any of those is about the same. Also, there are some good JellyBean ROMs out there, I am running Paranoid Android CyanogenMod hybrid, and there is LiquidSmooth and TeamEOS and a few others.

    1 - Download your ROM of choice. If using the Stock ROM, you will need download from the Asus support site and unzip it one time (it will still be a .zip).

    2 - Put the ROM of choice on a microSD card.

    2a - If you want to be stock and rooted, also grab the SuperSU.zip here: http://forum.xda-developers.com/atta...6&d=1342793670 (Thanks RaymanFX)

    3 - Next, I would recommend upgrading to TWRP recovery. Install the GooManager app, grant root access and then tap the 3 icons in the top right and choose Install RecoveryScript. This will install TWRP (which IMO is far superior to CWM).

    4 - Backup your apps and data. If you are going to continue being rooted, use Titanium Backup. If not, use MyBackup from the play store (30 day trial). Also back up any documents, photos, etc. from the internal memory and save them to microSD, USB or cloud storage.

    5 - Next, reboot to recovery. (Written for TWRP):

    6 - Go to the Wipe section, then wipe the cache, davlik, system and then internal memory.

    7 - Next, go to the home screen of TWRP and select Install.
    Tap the External option and then first flash your ROM.
    Next, if your ROM requires GAPPS to be flashed separately flash that, and a a custom kernel if desired.
    If you want to go stock, just flash the stock ROM .zip.
    For stock rooted install the stock ROM and then flash the SuperSU.zip.

    AFTER FLASHING THE STOCK ROM IT WILL REMOVE CUSTOM RECOVERY - if you go back completely stock, you will have to re-root using a tool like PERI. If you run stock rooted and want to custom ROM again, just grab the GooManager and install TWRP.

    And that should do it.

    If you get stuck somewhere, just post back here and we will help you out.


    Asus Transformer 16 GB & Dock - Munching on Jelly Beans
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  5. #5
    Ratchet
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    OK... Well I thought I had it but failed. I downloaded the right firmware (or so I thought) from Asus' site. However, I wasn't 100% sure what and where I downloaded. I didn't pay attention. So when I went with the procedure, I must have downloaded an updated for another ROM, because after all the steps, I was back where I started. All files wiped, but Cornerstone was still there.

    I need to know if I download, does it automatically download to the SD card. If not, how can I change the directory? Because when I looked at the option to Zip, that file does not appear to be listed.

  6. #6
    Bumblebee
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    It probably went into your downloads folder, which you can find from CWM just fine, i just said the root of /sdcard/ as it can make it easier to find. Keep in mind you do need to unzip it one time.
    TF101! - Running Domination built on my beautiful ArchLinux box!
    Samsung Galaxy S4 - Stock Sadly...
    Custom Built Desktop - Intel I7 w/ Windows7 & ArchLinux Dual boot - Go LINUX!
    I firmly believe that any man's finest hour, the greatest fulfillment of all that he holds dear, is that moment when he has worked his heart out in a good cause and lies exhausted on the field of battle - victorious. - Vince Lombardi

    Great Help Guide Here -> Frederucos Fantastical Forum Favorites
    And Here -> Master Help Guide

  7. #7
    Ratchet
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    OK. Bare with me here. So I tried just removing the SD card and sticking it in my computer and then downloading it from there. But then when I tried, I find out I had to install some other 'downloader program'. Right now, the file that I have in the SD card is:

    US.epaduser9_2_1_27updatelancher.zip 11/29/12.

    This is the right file isn't it?

    Well I throw back in the SD card and repeat the process:

    1. Wipe Data/Factory Reset
    2. Install Zip from SD Card
    3. Choose Zip from SD card
    4. Disable signature check
    5. Select zip file (US_epaduser9_2_1_27updatelauncher.zip)


    As it's installing the update, it says "Installation aborted".

    can someone telling me where I went wrong here?

  8. #8
    Bumblebee
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    Did you unzip that file one time?
    TF101! - Running Domination built on my beautiful ArchLinux box!
    Samsung Galaxy S4 - Stock Sadly...
    Custom Built Desktop - Intel I7 w/ Windows7 & ArchLinux Dual boot - Go LINUX!
    I firmly believe that any man's finest hour, the greatest fulfillment of all that he holds dear, is that moment when he has worked his heart out in a good cause and lies exhausted on the field of battle - victorious. - Vince Lombardi

    Great Help Guide Here -> Frederucos Fantastical Forum Favorites
    And Here -> Master Help Guide

  9. #9
    Ratchet
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    Quote Originally Posted by bfmetcalf View Post
    Did you unzip that file one time?
    OK...Thanks for being patience. So what option do I select (from the list) to unzip that file one time?

    Again my options from the recovery screen is as follows:

    -Reboot System Now
    -Apply updates from SDcard
    -Wipedate/fact reset
    -wipe cach partition
    -install zip from Sd card
    -backup and restore
    -bmounts and storage
    -advanced
    -power off
    -go back


    So I choose: Install Zip from SD Card

    Next options:

    -Apply /sd card/update.zip
    -choose zip from sd card
    -toggle signature verifcation
    -toggle script asserts
    -go back

    So I choose: Choose Zip from SD Card

    Options:

    -Lost.DIR/
    -US_epaduser9_2_1_27updatelauncher.zip
    -Go back

    So I choose the zip file, then press Yes.

    That's when I get the Installation Aborted message.
    Last edited by mrteeth; 11-29-2012 at 10:07 PM.

  10. #10
    Bumblebee
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    You need to unzip it while in the operating system, not in CWM. Your file manager app should allow you to do it by long pressing on the file and selecting unzip or extract to or something similar. If it does not, download es file explorer from the play store, I know that will do it by long pressing the file and selecting extract to, then telling it where you want the file.
    TF101! - Running Domination built on my beautiful ArchLinux box!
    Samsung Galaxy S4 - Stock Sadly...
    Custom Built Desktop - Intel I7 w/ Windows7 & ArchLinux Dual boot - Go LINUX!
    I firmly believe that any man's finest hour, the greatest fulfillment of all that he holds dear, is that moment when he has worked his heart out in a good cause and lies exhausted on the field of battle - victorious. - Vince Lombardi

    Great Help Guide Here -> Frederucos Fantastical Forum Favorites
    And Here -> Master Help Guide

 

 
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