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6th April 2014, 11:12 AM |#8  
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Thumbs up How to unlock and root HP SlateBook x2
Hi there,

We finally achieve root on this SlateBook x2. Full story here:

  • Buy the HP proprietary cable
  • Unlock bootloader
  • Boot CWM recovery I built for the SlateBook x2
  • Push SuperSU thru sideload

Detailed steps

You need to buy the Micro-USB dedicated cable, HP spare part number 728141-001

You can find it at Frenchies can order it here: The guys are located at St Ouen (93) and it is possible to pick-up the cable at their office to save shipping costs. Even w/o shipping costs I had to pay 57,30 which is quite expensive for such a cable.

Anyway, once you have the $$$ cable, proceed as follow to root the device:
  1. You'll need adb installed and working onto to your computer. This could be done by installing the full Android SDK or a light version from here:
  2. Normally, the package should install the naked USB drivers. If this not the case have a look at and download and install the naked USB drivers
  3. Into your home directory (ie: C:\Users\<username> for Windows or /home/<username> for Linux) you should find a .android directory. Check the adb_usb.ini file within this directory and ensure that content is 0x03F0
  4. Then, enable USB debugging into the Developper options of Android parameters
  5. Once done, connect to the PC with the dedicated cable, wait for a moment for adb drivers to install
  6. Once installed, check that adb can detect the tablet with by entering: adb devices
  7. If it is detected, reboot in bootloader mode: adb reboot bootloader
  8. Once in bootloader, unplug / plug again the tablet and wait for adb drivers to install. Then unlock the bootloader: fastboot -i 0x03F0 oem unlock. WARNING: this will reset your tablet to factory default and loose all your data
  9. Once bootloader is unlocked, reboot your tablet and perform the initial android setup
  10. Tun USB debugging on again and connect the tablet
  11. Reboot to bootloader: adb reboot bootloader
  12. Boot downloaded recovery: fastboot -i 0x03F0 boot recovery_maya-0.1.img
  13. Wait a couple of seconds for CWM to start on the tablet
  14. On the tablet, select Install zip and then Install zip from sideload
  15. Once sideload is ready, install adb sideload
  16. Wait for install to finish, reboot and enjoy

  • For those running Ubuntu flavor Linux, no need to download any drivers (assuming you've installed android-tools-adb and android-tools-fastboot packages). Just add 0x03F0 to your ~/.android/adb_usb.ini file so that adb will detect the tablet.
  • I have updated my device to 4.3 to ensure this is working properly. For those who still have 4.2.2, this method will also work as developper Chainfire has implemented 4.3 and olders in SuperSU zip
  • I did the build of CWM by my own and it is not 100% fully functional (still have issue mounting internal storage). But it is usable enough to install SuperSU zip thru sideload
  • DO NOT FLASH this version of CWM. I've not tested flashing and it might brick your device
  • Edit 23-Aug-14 : I flashed it thru Flashify and it boots. I also installed Quick Boot (Reboot) to easily reboot to recovery. Only issue is that it does not mount internal storage, but with external SD, I was able to perform a Nandroid backup-restore operations
Attached Files
File Type: img recovery_maya-0.1.img - [Click for QR Code] (7.15 MB, 440 views)
File Type: zip - [Click for QR Code] (1.15 MB, 288 views)
Last edited by groumfi; 23rd August 2014 at 03:45 PM. Reason: It is flashable
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