[RECOVERY] TeamWin Recovery Project 2.8.7.0

Discussion in 'Lenovo IdeaTab A2109 Development' started by PJBrs, Mar 11, 2016.

  1. PJBrs

    PJBrs Senior Member Developer

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    This is TeamWin Recovery Project version 2.8.7.0 for Lenovo Ideatab A2109.

    twrp-recovery-2.8.7.0-20160303.img (MD5: bc56af770828092271fd92d11021bbcc)

    Sources are in the cm-12.1-twrp branch of my device tree on github

    This is a very nice recovery with more functionality than cwm. Note that cwm backups appear to be incompatible with twrp!

    To install, reboot to fastboot and use fastboot to flash the recovery image. On Linux:
    Code:
    fastboot -i 0x17ef flash recovery twrp-recovery-2.8.7.0-20160303.img
    
    Basics for installation (how to boot to fastboot, etc.) are over here:
    [HOW TO] Install ClockworkMod Recovery and Root | Android Tablet Forum
    Unlock A2109 Boot Loader with Ubuntu | Android Tablet Forum

    I've tested the usual functionality myself (backup, restore, adb sideload, installing zips) and a few other bits and all appears to work fine.
     
    Last edited: Mar 17, 2016
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  2. profeet

    profeet Senior Member

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    Hi, @PJBrs , i flash new recovery, nice work. But i can't find sdcard. Reboot revovery - done, but nothing.
    Thanks.
     
  3. PJBrs

    PJBrs Senior Member Developer

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    Thanks for testing! I'm a bit puzzled, I myself am using twrp with an sdcard. If you open one of the mount, install, backup or restore menus, each should have a large button somewhere saying something like Storage: Internal storage. If you tap that button, it will offer you the choices of internal storage, sdcard or USB stick. Please check.
     
  4. profeet

    profeet Senior Member

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    Yes, I find this button, but I can't change to sdcard, only internal storage.
     
  5. PJBrs

    PJBrs Senior Member Developer

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    I'm sorry, I can't replicate this. Did you first mount it? Try to open a shell with adb and issue

    Code:
    mount
    
    and perhaps

    Code:
    dmesg
    
    just to see if anything stands out.
     
  6. Tattmann

    Tattmann Member

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    has anyone else had a file system problem after changing from cwm to twrp? I had an e failed to mount preload problem. Fought it for a day and switched back to cwm 6.0.5.1 and the problem seems to have corrected itself. (or so it seems for now)
     
  7. PJBrs

    PJBrs Senior Member Developer

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    There's a message about a filesystem error always, but it's harmless (I messed up the fstab in that one). So, if that's the same error you're seeing, then you should have no problem with twrp.
     
  8. Jake Stanger

    Jake Stanger Junior Member

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    Trying to produce a new build of this for the 3.4 kernel/CM14.1. Going in pretty much blind and learning the entire android build process as I go. I've got a succesful recovery.img being built, but fastboot is failing with `remote :(InvalidSize)`. Anybody got any idea what this is about, or anything else I'd need to do to update the recovery?
     
  9. PJBrs

    PJBrs Senior Member Developer

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    Hi, I haven't used 3.4 myself for twrp, since the resulting kernel was too big. Instead of flashing your recovery, you can also just boot it (sth. like fastboot -i 0x17ef boot recovery.img), then you can check. However, I do have a new recovery now, I'll post it later.
     

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