[ZS570KL/ZS570KL PRO] UNLOCK/RELOCK BOOTLOADER UNOFFICIALLY FOR ZenFone 3 Deluxe

[Saktis_STi]

Make sure you’ve backed up all of your IMPORTANT DATA before unlocking/relocking bootloader

I am not responsible for bricked devices and dead SD cards. YOU are choosing to make these modifications, and if you point the finger at me for messing up your device, I will laugh at you.

First and foremost, please install ZenFone 3 Deluxe Drivers via Device Manager (Download drivers on ASUS Support Website)

1)Download the Factory RAW ROM here:

ZS570KL:

ZS570KL Pro:

2) Download ASUS Flash Tool here:

3) Flash the firmware via ASUS Flash Tool by entering FASTBOOT MODE (Power Button + Volume Up) & DO NOT WIPE DATA!

Note: If you flash RAW firmware via ASUS Flash Tool and received an error (FRP request error), just IGNORE the error.

4) Enter FASTBOOT mode (Power Off + Volume Up)

UNLOCKING​

5)
• Open Command Prompt/Windows Powershell
• Now copy and paste this: fastboot devices
• If it shows serial number of your ZenFone 3 Deluxe, you are good to go
• Now copy and paste this: fastboot oem unlock-go
• After that, re-enter FASTBOOT mode and paste this: fastboot oem device-info

Congratulations, your device has been unlocked unofficially. (You can see the "Device State: unlocked" on Command Prompt/Windows Powershell)

RELOCKING​

5)
• Open Command Prompt/Windows Powershell
• Now copy and paste this: fastboot devices
• If it shows serial number of your ZenFone 3 Deluxe, you are good to go
• Now copy and paste this: fastboot flashing lock
• After that, re-enter FASTBOOT mode and paste this: fastboot oem device-info

Congratulations, your device has been locked (You can see the "Device State: locked" on Command Prompt/Windows Powershell)

P.S: If you unlocked officially and you want to relock your bootloader, OTA does not work because your Serial Number has been recorded by ASUS.

6) After that, download the stock RAW ROM here and flash it via ASUS Flash Tool (FASTBOOT Mode) (Turn on WIPE DATA):

ZS570KL:

ZS570KL Pro:

If anything, contact me via Telegram


Note: If you flash RAW firmware via ASUS Flash Tool and received an error (FRP request error), just IGNORE the error.

Note: If it asks for PIN after booting up, just wipe data & cache via Recovery Mode (Power Button + Volume Down).

 

[Ryder.]

So if i unlocked officially and relock with this method i can't get ota updates anyway?

 

[Saktis_STi]

So if i unlocked officially and relock with this method i can't get ota updates anyway?

You won't get any OTA updates.

 

[Foi-racer]

This is what I've been looking for for ages. Thank you Saktis_STi !

 

[JaskoPtaszek]

I have zs570kl. I donload all aplications.
fastboot oem unlock-go
...
FAILED (remote: unknown command)
finished. total time: 0.005s

 

[Saktis_STi]

I have zs570kl. I donload all aplications.
fastboot oem unlock-go
...
FAILED (remote: unknown command)
finished. total time: 0.005s

Did you flash Factory RAW at the 1st place?

 

[Chiko-HH]

Will relock work for zs550kl ?

 

[Saktis_STi]

Will relock work for zs550kl ?

No

 

[sebastiandg7]

Thanks for the tutorial!! I've got a question: Where can I find the firmware's raw version? (Other's than the one you shared)

 

[Saktis_STi]

Thanks for the tutorial!! I've got a question: Where can I find the firmware's raw version? (Other's than the one you shared)

Well, I got it from my friend of mine.

Maybe you can try downloading from here:
www.beritahuaja.com

 

[JaskoPtaszek]

.

Quote:
Originally Posted by JaskoPtaszek
I have zs570kl. I donload all aplications.
fastboot oem unlock-go
...
FAILED (remote: unknown command)
finished. total time: 0.005s

Did you flash Factory RAW at the 1st place?

Hello. You're right I did not do exactly point 1. Thanks for the quote. I have unlocked zs570kl.
Thank you very much.

 

[tecnicopascoal]

Make sure you’ve backed up all of your IMPORTANT DATA before unlocking/relocking bootloader

I am not responsible for bricked devices and dead SD cards. YOU are choosing to make these modifications, and if you point the finger at me for messing up your device, I will laugh at you.

First and foremost, please install ZenFone 3 Deluxe Drivers via Device Manager (Download drivers on ASUS Support Website)

1)Download the Factory RAW ROM here:

ZS570KL: Link

ZS570KL Pro: Link

2) Download ASUS Flash Tool here: Link

3) Flash the firmware via ASUS Flash Tool by entering FASTBOOT MODE (Power Button + Volume Up) & DO NOT WIPE DATA!

Note: If you flash RAW firmware via ASUS Flash Tool and received an error (FRP request error), just IGNORE the error.

4) Enter FASTBOOT mode (Power Off + Volume Up)

UNLOCKING

5)
• Open Command Prompt/Windows Powershell
• Now copy and paste this: fastboot devices
• If it shows serial number of your ZenFone 3 Deluxe, you are good to go
• Now copy and paste this: fastboot oem unlock-go
• After that, re-enter FASTBOOT mode and paste this: fastboot oem device-info

Congratulations, your device has been unlocked unofficially. (You can see the "Device State: unlocked" on Command Prompt/Windows Powershell)

RELOCKING

5)
• Open Command Prompt/Windows Powershell
• Now copy and paste this: fastboot devices
• If it shows serial number of your ZenFone 3 Deluxe, you are good to go
• Now copy and paste this: fastboot flashing lock

Everything work, but in fastboot flashing lock do not work. Help me I think this command is not right

 

[Saktis_STi]

Everything work, but in fastboot flashing lock do not work. Help me I think this command is not right

Try reinstalling drivers.

Please follow my instructions carefully.

 

[tecnicopascoal]

Try reinstalling drivers.

Please follow my instructions carefully.

How I "Reinstall the drivers"?
I will Flash downgrade stock files like modem, and reinstall UL-STOCK-UPDATE in stock_recovery to be reinstalled?

@Saktis_STi you have the best asus model snapdragons, why we have so poor development to custom rom in this magnific devices?

 

[the Doctor]

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