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  1. #11
    Serious Hacker
    Supporting Member

    Member #
    93294
    Join Date
    May 2017
    Location
    Kansas
    Tablet
    TF701
    Posts
    31
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    7 times
    Thank you, Kevin.

    You're right - I haven't unlocked the bootloader yet.

    So here's the updated game plan:

    Step 1:
    Factory reset.

    Step 2:
    Unlock bootloader using ASUS-supplied utility from:
    https://www.asus.com/us/Tablets/The_...Desk_Download/
    Plus notes from Kevin in post #10.

    Step 3:
    Install TWRP.
    Directions:
    https://forum.xda-developers.com/tra...9/post61045466
    Plus notes from Kevin in post #10.

    Step 4:
    Install Timduru's Marshmallow ROM.
    Directions:
    https://forum.xda-developers.com/tra...t/rom-t3496994

    Plus more details in droidbound's post about how to do this to a TF700.

    Anything I've missed or any other good tips?


    Steve
    Messing with Android since 2011:
    • Nook Color - CyanogenMod 7.2 and MiRaGe 7.2
    • ASUS MeMO Pad 7 - rooted, stock ROM
    • ASUS Transformer Pad TF300T - rooted, stock ROM
    • ASUS Transformer Pad TF701T - rooted, stock ROM
    • And several Samsung Galaxy smartphones over the years: S3, S7, J3

    And a very long-time Palm OS user - Would you believe I still use one daily?

  2. #12
    Developer & Repair Magician
    Supporting Member

    Member #
    68238
    Join Date
    Apr 2014
    Tablet
    TF300T
    Posts
    1,350
    Liked
    327 times
    Looks good to me. Note that you have the option of stopping after installing TWRP and simply rebooting into your old stock ROM and nothing has changed, except the new ability to shoot a Nandroid backup. And in fact that is exactly what you should do so that you have a "clean" stock ROM backup, should you turn out to be a Philistine and prefer stock. But I'd try KK, anyway, just so you can see which you like better. I'd say benchmark them both, except that I don't believe in it; if you like the ROM, use it; if not, use something else. That's what it's all about for me, maximizing options; it ranks my butt to have Asus or anybody else refuse me the right to screw up my own tablet if I please. For the most part, my TFs all work far better than any stock one ever did. The exception was the 701 which I almost lost by unlocking it before it got the last update; something went wrong with the update, bad download or such, and it bricked. I got it going with the help of LJ and Fastboot. How's that for off-topic?
    Master Help Guide--guide to help from the masters:
    http://www.transformerforums.com/for...elp-guide.html

    T100 Master Help Guide:Caster's comprehensive guide to comprehending the T100
    http://www.transformerforums.com/for...elp-guide.html

    TF100 FAQ--Frequently Asked Questions about the TF100:
    http://www.transformerforums.com/for...s-guides-tips/

    What Got Me In to All This Trouble--Linux live CD with ADB & Fastboot:
    http://www.transformerforums.com/for...x-live-cd.html

  3. #13
    Chief Customizer & Super Moderator
    Supporting Member

    Member #
    47492
    Join Date
    Oct 2012
    Tablet
    TF700
    Posts
    2,642
    Liked
    697 times
    Well, one thing you should be aware of is that TeamWin never developed an official TWRP for this tablet. Our recovery partition was just too small for TWRP including the touch drivers, so for the longest time we had only a CWM recovery which you had to navigate by buttons. I never liked or trusted CWM very much, but you have to admit that for what it is, it is more stable than the Kang TWRP version. The Kang is tweaked and frankensteined to make it work (mostly) on the TF701 but it does have some bugs, mainly around wiping/formatting partitions.
    Often enough you get a "cannot mount /data, cannot mount /system, cache etc" after performing wipes or formats. Sometimes you can just ignore the error, reboot to recovery and everything is good. Sometimes you have to repeat whatever you just did and if nothing works, format /system to ext3 and then back to ext4 and everything's good. You get it done, but it is annoying sometimes.
    I always wanted to try formatting in adb terminal instead of through TWRP interface to see if that works better, but have not got around to it. You seem the perfect candidate to experiment with that notion!
    For the same reason I do not quite trust the Backup/Restore function in TWRP, but I have had no reason to test that either.. I do not keep anything crucial on the tablets and prefer clean installs over restoring any day of the week.

    All that said, I still prefer the Kang TWRP over non-touch CWM.
    Last edited by droidbound; 06-18-2017 at 08:04 PM.
    TF700 on Android 7 Nougatella TF701 Katshmallow (Android 6.0.1) Nexus 5x on Pure Nexus Nougat/Google Fi


  4. #14
    Developer & Repair Magician
    Supporting Member

    Member #
    68238
    Join Date
    Apr 2014
    Tablet
    TF300T
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    1,350
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    327 times
    The thing that strikes me is that it's quite intolerant of filesystem errors. As well as prone to them. This seems to be the tablet itself, not any particular piece of software for it (unless it's the bootloader and we're kinda stuck with that). Yes, CWM is more stable, but it lacks the filesystem repair tools TWRP has, and I've had to use them more on this tablet than any other. At this point, though, it's settled down and I haven't had a single glitch in a couple years; I'm guessing it was left over from its bricking.

    Keep in mind too that you can fastboot boot either one no matter which is installed, so long as you have fastboot working.
    Master Help Guide--guide to help from the masters:
    http://www.transformerforums.com/for...elp-guide.html

    T100 Master Help Guide:Caster's comprehensive guide to comprehending the T100
    http://www.transformerforums.com/for...elp-guide.html

    TF100 FAQ--Frequently Asked Questions about the TF100:
    http://www.transformerforums.com/for...s-guides-tips/

    What Got Me In to All This Trouble--Linux live CD with ADB & Fastboot:
    http://www.transformerforums.com/for...x-live-cd.html

  5. #15
    Serious Hacker
    Supporting Member

    Member #
    93294
    Join Date
    May 2017
    Location
    Kansas
    Tablet
    TF701
    Posts
    31
    Liked
    7 times
    Gentlemen,

    I haven't touched the thing for two days while I've been getting tips from you on how to fix it and upgrade it.

    I turned it on just now to start my game plan above and, as expected, got the lock screen. I tapped it a couple of times to see if anything would happen (nothing did), typed in the PIN on the dock keyboard despite there being no PIN pad on the screen (which I’d done several times before), and the damn thing unlocked!

    I immediately turned off the lock screen. Now I think I need to go buy a lottery ticket before my luck changes. :-)

    I also connected through adb and su'd so I could grant root access through SuperSU, so that's set for the "next time".

    I also exported the settings from all apps I could think of and took screen caps of my Home screens, copied all these to laptop.

    I'd still like to install TWRP though for the nandroid backups. (I know CWM from my old Nook Color days, but I'll give TWRP a go.)


    Kevin, you said there can be no accounts on the device to unlock the bootloader. Do you know if I can simply delete my Google account, then unlock the bootloader and install TWRP? I didn't see anything in the Kang TWRP thread on xda about needing a factory reset to do this.


    And I haven't ruled out KatKiss if I can get a nandroid of my current stock config to recover to.

    I never had this much "fun" with my TF300T, but this has been a lot more educational!


    Steve
    Messing with Android since 2011:
    • Nook Color - CyanogenMod 7.2 and MiRaGe 7.2
    • ASUS MeMO Pad 7 - rooted, stock ROM
    • ASUS Transformer Pad TF300T - rooted, stock ROM
    • ASUS Transformer Pad TF701T - rooted, stock ROM
    • And several Samsung Galaxy smartphones over the years: S3, S7, J3

    And a very long-time Palm OS user - Would you believe I still use one daily?

  6. #16
    Chief Customizer & Super Moderator
    Supporting Member

    Member #
    47492
    Join Date
    Oct 2012
    Tablet
    TF700
    Posts
    2,642
    Liked
    697 times
    Yes, deleting your Google account should be sufficient to get through the unlock process.
    At some point the unlock app will complain that it can't connect. Type "thank God".
    Just kidding, just click "continue" or "cancel" - can't remember... The point is that the lack of a Google account is a blessing, not a hindrance.

    Sent from my Nexus 5X using Tapatalk
    TF700 on Android 7 Nougatella TF701 Katshmallow (Android 6.0.1) Nexus 5x on Pure Nexus Nougat/Google Fi


  7. #17
    Developer & Repair Magician
    Supporting Member

    Member #
    68238
    Join Date
    Apr 2014
    Tablet
    TF300T
    Posts
    1,350
    Liked
    327 times
    Yeah, should do. AFAIK it hasn't been tested, 'cos that's the first thing the tab asks for during setup. One user informed us that she hadn't given it the Google account...just installed a couple things from Play Store before trying the unlock...

    The issue is with the interplay between Google's security settings and Asus' database somewhere, they won't play nice together anymore, and Asus states simply that they will not support unlocking. Or unlocked devices. So far the workaround of eliminating the Google account has worked in every case I know of. Hoo boy, having said that I'm sure someone will come up with an exception, or maybe a slew of them (a slew, for those uneddicated, is exactly umpteen to the arrgh power).

    While you're playing, you might think about simply booting the tab to TWRP before intalling, and shooting a Nandroid before you commit to the install. Just for fun. You'll have to be unlocked to do that too, though.
    Master Help Guide--guide to help from the masters:
    http://www.transformerforums.com/for...elp-guide.html

    T100 Master Help Guide:Caster's comprehensive guide to comprehending the T100
    http://www.transformerforums.com/for...elp-guide.html

    TF100 FAQ--Frequently Asked Questions about the TF100:
    http://www.transformerforums.com/for...s-guides-tips/

    What Got Me In to All This Trouble--Linux live CD with ADB & Fastboot:
    http://www.transformerforums.com/for...x-live-cd.html

 

 
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