Original Article : https://www.asus.com/zentalk/tw/thread-177291-1-1.html
[email protected] post the root guild for zenfone 3.
I translate his article to English version.
I didn't try this method yet, but I think it should work.
If you want to root your zenfone 3, you can following this guide to root your device.
============================
[Update] All-in-one zip (unlock App+driver+adb+fastboot+twrp+SuperSU.zip) :
https://github.com/snowwolf725/RootZenfone3/archive/master.zip
Firstly, you should use the following official unlock tool to unlock Boot-loader.
[Update] If you want to receive OTA notify, you should use Un-official bootloader unlock method.
Un-official bootloader unlock method
ZE552KL
http://dlcdnet.asus.com/pub/ASUS/ZenFone/ZE552KL/ZE552KL_SIGNED_Android_M_UnlockTool_2016_0715.zip
ZE520KL
http://dlcdnet.asus.com/pub/ASUS/ZenFone/ZE520KL/ZE520KL_SIGNED_Android_M_UnlockTool_2016_0715.zip
After you unlock your device, you can download the TWRP recovery image, and follow the guide to root your device.
TWRP recovery img :https://mega.nz/#F!kl8lmKRL!ZbLvz1b4YgLMr_n09vRrTA
twrp-3.0.2-Z012D.img (TWRP for ZE552KL)
twrp-3.0.2-Z017D.img (TWRP for ZE520KL)
dot.supersu (.supersu)
If your device is ZE552KL, then you should download twrp-3.0.2-Z012D.img + dot.supersu
If your device is ZE520KL, then you should download twrp-3.0.2-Z017D.img + dot.supersu
If you want to build recovery image by yourself, you can clone the git source tree, and compile by yourself.
https://github.com/shakalaca/android_device_asus_ze520kl
https://github.com/shakalaca/android_device_asus_ze552kl
How to root your device:
1. Boot your zenfone 3 to boot-loader mode (you should firstly turn the phone off, then press and hold the volume up and power buttons )
2. Install android tools on your pc. (http://forum.xda-developers.com/showthread.php?t=2588979)
3. Connect your mobile to PC, then use following command to flash TWRP image to your zenfone.
4a. Hold the volume down button, and use following command to boot into recovery mode. (if menu appears, please select recovery mode)
4b. Boot your zenfone 3 to recovery mode (you should firstly turn the phone off, then press and hold the volume down and power buttons )
5. After boot into TWRP recovery, select "keep system read only" in TWRP recovery menu.
6. Use following command to push .supersu file into /data .
7. Select "ADB Sideload" in TWRP menu, then use following command to push root files.
(SuperSu.zip http://forum.xda-developers.com/apps/supersu/stable-2016-09-01supersu-v2-78-release-t3452703)
8. reboot and enjoy your rooted device.
PS. If you got OTA notify, you can flash the stock image to un-root your device.
Stock boot.img and recovery.img files can be find in following URL:
https://mega.nz/#F!ok0V0RIA!5WKtHe98opzjVI3NPbM7Ww
[email protected] post the root guild for zenfone 3.
I translate his article to English version.
I didn't try this method yet, but I think it should work.
If you want to root your zenfone 3, you can following this guide to root your device.
============================
[Update] All-in-one zip (unlock App+driver+adb+fastboot+twrp+SuperSU.zip) :
https://github.com/snowwolf725/RootZenfone3/archive/master.zip
Firstly, you should use the following official unlock tool to unlock Boot-loader.
[Update] If you want to receive OTA notify, you should use Un-official bootloader unlock method.
Un-official bootloader unlock method
ZE552KL
http://dlcdnet.asus.com/pub/ASUS/ZenFone/ZE552KL/ZE552KL_SIGNED_Android_M_UnlockTool_2016_0715.zip
ZE520KL
http://dlcdnet.asus.com/pub/ASUS/ZenFone/ZE520KL/ZE520KL_SIGNED_Android_M_UnlockTool_2016_0715.zip
After you unlock your device, you can download the TWRP recovery image, and follow the guide to root your device.
TWRP recovery img :https://mega.nz/#F!kl8lmKRL!ZbLvz1b4YgLMr_n09vRrTA
twrp-3.0.2-Z012D.img (TWRP for ZE552KL)
twrp-3.0.2-Z017D.img (TWRP for ZE520KL)
dot.supersu (.supersu)
If your device is ZE552KL, then you should download twrp-3.0.2-Z012D.img + dot.supersu
If your device is ZE520KL, then you should download twrp-3.0.2-Z017D.img + dot.supersu
If you want to build recovery image by yourself, you can clone the git source tree, and compile by yourself.
https://github.com/shakalaca/android_device_asus_ze520kl
https://github.com/shakalaca/android_device_asus_ze552kl
How to root your device:
1. Boot your zenfone 3 to boot-loader mode (you should firstly turn the phone off, then press and hold the volume up and power buttons )
2. Install android tools on your pc. (http://forum.xda-developers.com/showthread.php?t=2588979)
3. Connect your mobile to PC, then use following command to flash TWRP image to your zenfone.
Code:
fastboot flash recovery twrp-3.0.2-xxx.img
Code:
fastboot reboot
5. After boot into TWRP recovery, select "keep system read only" in TWRP recovery menu.
6. Use following command to push .supersu file into /data .
Code:
adb push dot.supersu /data/.supersu
(SuperSu.zip http://forum.xda-developers.com/apps/supersu/stable-2016-09-01supersu-v2-78-release-t3452703)
Code:
adb sideload SuperSU.zip

8. reboot and enjoy your rooted device.
PS. If you got OTA notify, you can flash the stock image to un-root your device.
Stock boot.img and recovery.img files can be find in following URL:
https://mega.nz/#F!ok0V0RIA!5WKtHe98opzjVI3NPbM7Ww
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