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It seems like I ruined the recovery mode of my Android tablet. It's a HP Pro Slate 12 tablet with Android 5.1.1 on it. It's rooted. I wanted to install CWM Recovery to backup everything, but my device wasn't listed as a supported device. My friend told me I can install the LG G3 recovery instead because it's compatible. I installed that. Since then recovery mode completely disappeared. The device still boots in normal mode and works, but I cannot boot into recovery mode anymore. I really need it because the device boots normally but sometimes acting strange since I rooted it. I'd like to try unrooting it by going into recovery mode or doing a factory reset, but both options disappeared.

  • I tried holding down volume up+power buttons while turning it on, but didn't work.
  • Tried holding down volume down+power. Nope.
  • Tried rebooting inside Android into recovery mode with Quick boot app. It rebooted my device but again it went into normal mode instead.
  • Tried to reboot into recovery mode with ADP and FastBoot in Windows. Same stuff happened. The device rebooted into normal mode.
  • Tried to make a factory reset. DIDN'T work! Rebooted into normal mode once more. The factory reset hasn't deleted anything.

Any ideas? Did I lose the possibility of recovery forever with a single click?

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  • You need flash stock recovery, then find any compatible cwm / twrp and then flash it. – Vivek Ji Jan 29 '16 at 6:13
  • I cannot do that. There is NO compatible CWM or TWRP recovery for my device. (it's not listed as a supported device) This is why I tried a so called "compatible" one which seems like it has ruined my device forever. – Norman Bates Jan 29 '16 at 6:24
  • Ok , but you can find stock recovery. If yes then flash it. – Vivek Ji Jan 29 '16 at 6:42
  • I only found the latest update.zip for my device on the official website. I found nothing else. That's a zip file, not an img. I cannot use the update.zip without going into recovery mode. :-( – Norman Bates Jan 29 '16 at 7:00
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Qualcomm devices usually have a workaround to flash entire internal partitions like with Oneplus 3 http://forum.xda-developers.com/oneplus-3/how-to/guide-mega-unbrick-guide-hard-bricked-t3405700

Similarly search if Unbrick Guides are available for HP Pro Slate 12. Good luck..

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with ADB con your PC install the TWRP recovery and then with the comand "adb reboot recovery" the phone enter in recovery mode

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If you have the official update package (a zip, usually), open it in an archive viewer and extract recovery.img. That's the stock recovery. Boot into bootloader (aka fastboot) and use the command line tool fastboot to flash it.

fastboot flash recovery recovery.img

As simple as instructed above.

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  • 1
    fastboot flash was successful, but the device still does not boot to recovery. What's the next step? – user1602 Apr 3 '19 at 7:39

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