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[ZE620KL] Zenfone 5 2018 UNLOCK BOOTLOADER & ROOT & TWRP

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imna357

Senior Member
Just got the stock recovery now. I dont know exactly how it happened but i just downloaded the OTA file zip on my External sdcard and inserted it on sdcard slot then an update notification popped up on my phone saying an update on sdcard card is available then it installed right away on TWRP upon reboot and it flashed the stock recovery back in.

so you are on stock firmware, but got TWRP recovery? you put it on sdcard and insert it and just pop up that you need to update? can you possibly extract the stock recovery? thanks

---------- Post added at 11:27 AM ---------- Previous post was at 11:26 AM ----------

Just got the stock recovery now. I dont know exactly how it happened but i just downloaded the OTA file zip on my External sdcard and inserted it on sdcard slot then an update notification popped up on my phone saying an update on sdcard card is available then it installed right away on TWRP upon reboot and it flashed the stock recovery back in.

probably mine did not pop up coz i am on the latest software, everything so far is working with TWRP and MAgisk 16.4 beta, pass safetynet and use my GOOGLE PAY=)
 

Renaf2

Senior Member
can you explain step by step please ?

For Relock bootloader :
adb and fastboot by computer:

" fastboot oem reset-dev_info "

if it's command not work : " fastboot oem force-reset " but this command can soft brick your device and if you have twrp recovery i do not recommand this command because i have test with stock official recovery

(for me after this command enter my bootloader is relocked but the adb and fastboot won't work after and i have a warning corrupt system in red and this warning say : your system is corrupt your system will not boot and your system shutdown in 30 sec i have recovert my firmware when i upgrade my system )

For Flash Firmware by stock recovery :

i go on asus support web site and i download latest firmware ( for me WW , SKU ) Firmware V15.0617.1804.82

put the zip file on your external sd card boot into stock recovery upgrade by sd card select the firmware zip file and wait
 
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Renaf2

Senior Member
Is it possible for me to flash an older firmware version? If so, how?

I don't Know if you can downgrade your device with an older version if you watch the Asus support you can read thé downgrade is not possible and i haven't try ....

When i try to repair my device with my first firmware i have flash failure but when i try with new firmware it work perhaps the same firmware work
 
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Renaf2

Senior Member
Just wandering how you got the stock recovery, by flashing the stock firmware? Using TWRP or ADB? Thanks

Stock recovery.img. -----> page 5

I haven't flash TWRP because the device is to young for now and need tester ... I have stay on stock recovery and if you watch the first post i never flash TWRP and i give one method just for booting on TWRP not for installation.

You can flash the stock recovery by TWRP : install choose install IMG file

You can flash by adb and fastboot :
fastboot flash recovery recovery.img
 
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chuckRN

Senior Member
Mar 28, 2014
216
69
Tanauan City, Batangas
I don't Know if you can downgrade your device with an older version if you watch the Asus support you can read thé downgrade is not possible and i haven't try ....

When i try to repair my device with my first firmware i have flash failure but when i try with new firmware it work perhaps the same firmware work

I wanted to downgrade to an older firmware because the volume thru headhone jack sucks. It doesn't get as loud as in previous firmwares.
 

Renaf2

Senior Member
I wanted to downgrade to an older firmware because the volume thru headhone jack sucks. It doesn't get as loud as in previous firmwares.

Oh ok just for that

This Device is to young and you can try to downgrade by the stock recovery if you want ( if the firmware flash failure in stock recovery the installation is aborded and you stay on your actual firmware normaly
 

Renaf2

Senior Member
i need help my phone brick usb 9006 qdloader

Try to flash stock firmware :

Put your firmware on external sd card , reboot into recovery and upgrade by sd card select your firmware and wait if you have stock recovery

This Device is to young for flash all and nothing ....
Waiting for more Mod , Recovery , and others utilities for this ZenFone 5
 
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velis74

Senior Member
Mar 12, 2010
833
1,038
Radovljica
I can confirm the procedure from OP.

I only took an additional twist:
* I booted to fastboot (adb reboot bootloader)
* Booted TWRP recovery (fastboot boot twrp.img) - I skipped unlocking as I had no code
* uploaded magisk image (adb push magisk.zip /sdcard)
* flashed magisk

*root*

Thanks for the guide.
 
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Nemuritor01

Senior Member
May 22, 2017
258
170
What do you mean? This procedure doesn't install any custom ROMs. You're still on stock after it. I left everything but my bootloader & boot intact.
Thanks dude... I know. I've sent you a pm. I need support from someone, who has a rooted zen5 and still on stock ROM :eek: it's for a development I'm doing with some other guys, but we don't have an Asus zen5.
 
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  • 11
    UNLOCK BOOTLOADER ZENFONE 5 2018 [ZE620KL]

    Watch the Attachments to see the Unlock Bootloader Message on Boot

    This Steps Reset your phone

    Go on Asus Support Web Page here : https://www.asus.com/Phone/ZenFone-5-ZE620KL/HelpDesk_Download/

    Select " Android "

    Download : " Unlock Device App: Unlock boot loader "

    Install the apk into your device and follow the steps

    if you have any problem go into stock recovery ( volume down + power button ) and Factory Reset and retry to unlock bootloader with the app

    ROOT ZENFONE 5 2018 [ZE620KL]


    You absolutely need adb and fastboot installed on your computer go to search 15 minutes adb & fastboot installer or others adb & fastboot installer

    Go on Asus Support Web Page here : https://www.asus.com/Phone/ZenFone-5-ZE620KL/HelpDesk_Download/

    Select " Android "

    Download : The Version of Stock Firmware that you use actually

    Extract on your computer the boot.img

    Copy the boot.img into your device memorie

    Install Magisk Manager.apk on your Device

    Open Magisk Manager

    Click on Install and Install once again

    Select Patch boot.img

    Select your boot.img into your device memorie And Ok

    Finally you have a patched_boot.img into The file " Magisk Manager " into your device memorie

    Copy the patched_boot.img into your device memorie to see him when you copy it on your computer

    Copy the patched_boot.img on your adb folder on your computer

    Plug your Device into Fastboot Mod at your computer

    Open the power shell windows into adb folder

    tape " fastboot flash boot patched_boot.img "

    tape " fastboot reboot "

    You are rooted

    UNOFFICIAL TWRP [ZE620KL]

    Warning i haven't test this TWRP if you try can you reply

    If You can Read Taiwanese you can follow steps to Format Data etc ....

    Link : https://medium.com/@shakalaca/zenfone-twrp-3-2-1-for-zenfone-5-ze620kl-fc234b8d086

    Flash TWRP 3.2.1.0 .img with adb and fastboot ( you can just boot on it for first : fastboot boot recovery.img )



    Flash Force Encryption Disabler ZE620KL .ZIP

    Enjoy ;)


    Thanks to Shakalaca

    Shakalaca 's Github : https://github.com/shakalaca/android_device_asus_X00Q
    5
    Great tutorial.
    I do have a couple of questions. Is it possible to get ride of the warning logo after having unlocked the bootloader? and is it possible to re-lock the bootloader?

    fastboot oem reset-dev_info
    2
    This is the reply I received from ASUS:
    Here is the bootloader http://dlcdnet.asus.com/pub/ASUS/Ze...71.1602527222.1525803528-691235045.1507666740 for the ZenFone 5 (ZE620KL)

    I am not able to locate one for the zenfone 5z (zs620kl).

    1. Update your software image to V15.0616.1803.8_M3.5.11.16 or latest version
    2. Before you download, install, and use the Unlock Device App you acknowledge and assume complete risk to the quality and performance of this App, including but not limited to the following: once you activate the App you will not be able to recover your ASUS product (“Original Product”) back to original locked conditions; the Original Product with the activated App will not be deemed the Original Product; the Revised Product will no longer be covered under the warranty of the Original Product; the software of Revised Product will no longer be deemed the software of the Original Product and can no longer receive ASUS software updates; your purchased digital content may also be affected.

    You also acknowledge ASUS does not guarantee service satisfaction to any Revised Product, including events involving paid service requested by you to be performed to the Revised Product.
    Furthermore, such repaired Revised Product will not be covered under the warranty of the Original Product; the software of the repaired Revised Product will not be deemed the software of the Original Product and will not receive ASUS software updates.
    It is strongly advised that you avoid activating this App unless you fully understand and accept the risks that may arise.
    2
    Anyone with solid info on whether this can safely be done AFTER rooting?

    If so, does root stay after re-locking the bootloader?

    Before relocking bootloader make sure you un-root, root will not be retain if you locked your bootloader, then follow this link--- to flash STOCK OS-[DOWNGRADE][ZE620KL] Firmware Downgrade for ZenFone 5 (2018):By Saktis.

    after booting, click debugging and reboot bootloader and then do--- fastboot oem force-reset.

    It will prompt you to put your password, just power off and press down button and screen will pop up says erasing, after that, your back to stock FIRMWARE, no root and bootloader locked.

    Hope this helps:good:
    2
    actually I just tried to relock my device with the line you provided me. Fastboot accepts the command, however the bootloader is still unlocked when I checked his status, and the warning logo still there.
    Any idea?

    That's wired .. try 'fastboot oem force-reset' instead ?
    What's your ROM version ?