Unlock bootloader Asus Zenpad Z170CG (P01Y)
- 06 Mar 2017: Post was created (diff)
This guide has been tested on Linux. It may also work nicely on OSX or Windows, but I haven’t tested it out. If you experience any problems, leave a message in the comments.
Before continuing, you should have installed the adb and fastboot binaries, connected the device to your computer and enabled ADB debugging on the device.
- Lines starting with
#should be run as root or withsudo - Lines starting with
$should be run as a normal user - Lines following the
#and$lines are output from the command that was executed
Verify that the device is accessible
# adb devices
List of devices attached
HELLOWORLDSECRETSERIAL device
Reboot into fastboot
# adb reboot fastboot
Unlock bootloader
# fastboot oem asus-go
...
(bootloader) Unlocking the bootloader means the following:
(bootloader) All user data will be deleted
(bootloader) Any securely stored data will be inaccessible
(bootloader) Warranty will be void
(bootloader) After unlocking you have to execute
(bootloader) > fastboot format userdata
(bootloader) > fastboot format cache
(bootloader) or carry out a factory reset from recovery
(bootloader) To confirm the unlock, please execute the command
(bootloader) > fastboot oem unlock confirm
OKAY [ 0.057s]
finished. total time: 0.057s
Confirm unlocking
# fastboot oem asus-go confirm
...
(bootloader) Unlocking and rebooting into unlocked state
OKAY [ 0.070s]
finished. total time: 0.070s
Get a var dump for later
# fastboot getvar all
(bootloader) version-baseband: 24832
(bootloader) version-bootloader: 1638.500_M1S1
(bootloader) product: SF_3GR
(bootloader) secure: YES
(bootloader) unlocked: YES
(bootloader) off-mode-charge: 1
(bootloader) ========== parition type ==========
(bootloader) system parition type: ext4
(bootloader) userdata parition type: ext4
(bootloader) cache parition type: ext4
(bootloader) hypervisor parition type: raw
(bootloader) boot parition type: raw
(bootloader) recovery parition type: raw
(bootloader) splash parition type: raw
(bootloader) mvconfig parition type: raw
(bootloader) secvm parition type: raw
(bootloader) vrl parition type: raw
(bootloader) psi parition type: raw
(bootloader) slb parition type: raw
(bootloader) ucode_patch parition type: raw
(bootloader) APD parition type: ext4
(bootloader) ADF parition type: ext4
(bootloader) factory parition type: ext4
(bootloader) nvm_static_calib parition type: raw
(bootloader) nvm_static_fix parition type: raw
(bootloader) nvm_dynamic parition type: raw
(bootloader) linux_nvm_fs parition type: ext4
(bootloader) ===================================
(bootloader) ========== parition size ==========
(bootloader) system parition size: 0x0000000090000000
(bootloader) userdata parition size: 0x00000002f0380000
(bootloader) cache parition size: 0x0000000017200000
(bootloader) hypervisor parition size: 0x0000000000100000
(bootloader) boot parition size: 0x0000000001100000
(bootloader) recovery parition size: 0x0000000001100000
(bootloader) splash parition size: 0x0000000002080000
(bootloader) mvconfig parition size: 0x0000000000080000
(bootloader) secvm parition size: 0x0000000000c00000
(bootloader) vrl parition size: 0x0000000000040000
(bootloader) psi parition size: 0x0000000000020000
(bootloader) slb parition size: 0x0000000000100000
(bootloader) ucode_patch parition size: 0x0000000000003000
(bootloader) APD parition size: 0x0000000009600000
(bootloader) ADF parition size: 0x0000000000100000
(bootloader) factory parition size: 0x0000000000900000
(bootloader) nvm_static_calib parition size: 0x0000000000800000
(bootloader) nvm_static_fix parition size: 0x0000000000100000
(bootloader) nvm_dynamic parition size: 0x0000000000100000
(bootloader) linux_nvm_fs parition size: 0x0000000000500000
(bootloader) ===================================
(bootloader) max-download-size: 0x3cc00000
all:
finished. total time: 0.261s
Continue booting the device normally
# fastboot continue
Next step for me is to build and install a custom bootloader. To be continued…
References
- https://forum.xda-developers.com/android/development/asus-zenpad-c-7-0-z170c-p01z-root-method-t3311752/post70595649#post70595649
If you have any comments or feedback, please send me an e-mail. (stig at stigok dotcom).
Did you find any typos, incorrect information, or have something to add? Then please propose a change to this post.