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[Tutorial][Root][Guide] [TWRP recovery] Acer Liquid Zest 4G z628 (t07)

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  • [Tutorial][Root][Guide] [TWRP recovery] Acer Liquid Zest 4G z628 (t07)

    Hi, I will be showing you how to root this device, it's a pretty new (released last year) model from Acer (a company dev hates becauseof their no-release firmware).

    I will not be held responsible for anything that will happen, proceed at your own risk

    ABOUT (ME?):
    ive had this device, i really wanted to root it, but turns out that no official or legit guide is available in the internet. But with the help of some other guides about previous tutorial, and a big thanks to smartmanvartan who provided the customized twrp port for my device.
    And Flamendless for this tutorial.

    PREREQUISITES
    1. ADB and fastboot, here is a guide (Note: im using linux), if youre in windows, go to the acer webpage and download the usb driver for the device and install it.
    2. the twrp port in here. Then unpack that zip file, you will be using the twrp-mod.img file.
    3. download the supersu.zip here and put it in the external sdcard.

    BACKUP!!! Make sure you also have a backup of the original firmware, so if something happens, it's easy to return to stock, you can download the firmware here.
    PLEASE BACKUP IMPORTANT DATE BECAUSE IF YOU UNLOCK THE BOOTLOADER THE FIRST TIME IT ERASE EVERYTHING LIKE A FACTORY MACHINE!!!!

    Process
    Im assuming that you already has the required files. MAKE SURE YOURE DEVICE IS z628, there are two kinds of acer liquid zest 4g.
    1. unlock the oem lock in the device, go to settings > about device > go to build number and repeatedly tap on it until you are notified that the developers option is enabled. After that, go to settings > developer option > turn on the enable the oem unlocking, enable usb debugging.
    2. turn off your device then boot into fastboot mode (press the VOL UP button and the Power Button) it should boot into the prebootloader, use the VOL UP key to navigate, then VOL DOWN to select, you have 4 options: recovery, fastboot, normal, demo, choose fastboot.
    2. while in fastboot mode, connect cable to the phone to the device, then open a terminal (command prompt if youre in windows) then type

    Code:
    fastboot devices

    then enter, it should return a device on the list. (if youre device is not in the list,make sure you've followed the adb and fastboot install guide)

    3. Once fastboot detects youre device, do

    Code:
    fastboot oem unlock

    and there will be a prompt in your device, follow it.

    4. check everything is okay with

    Code:
    fastboot getvar all

    and look for the bootloader if its unlocked.

    5. navigate to the place where the twrp image is located, then open terminal there (windows: shift + right click > open command prompt there) then do

    Code:
    fastboot flash recovery <name of the twrp.img>

    example :

    Code:
    fastboot flash recovery twrp-mod.img

    then wait for the device to restart and boot into the custom recovery.

    6. While in the custom recovery, tap install, locate the supersu.zip,
    And wait for it to get flashed. You will see some important notice about not disturbing the process, the device should boot twice and, if everything is successful, voila! your device is rooted, after logging again like your device is fresh from the store, check the supersu app, it should not throw some error

    6.5. if it's not working, try repeating the process, then before installing the supersu.zip, go to wipe first, then erase the cache (DO NOT ERASE ANY OTHER!, then go back, wipe swipe to do factory wipe.

    EVERYTHING SHOULD WORK!
    Just reply if you've encounter any problem.
    if you love my work please buy a coffee

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