Before firmware download all the necessary files to your PC.
Download and install the adb drivers and ASUS_Android_US B_drivers_for_W indows to connect the smartphone to a PC
Download and then run the program as administrator AFT (Asus Flash Tool)
Choose the model (while our ZC550KL model is not listed, select ZD551KL )
The data Wipe : select Yes
select the firmware file (the path to the file should be no Russian letters)
Turn off your phone and insert the device into bootloader mode (bootloader / recovery) by pressing the Volume + and Inclusion
You connect to the PC using a standard USB cable. the device will appear in the AFT program (usually the serial number)
click on the serial number and press the Start button. If you ask “are u sure wipe data” press YES.
after a successful firmware otsoedenyaem phone from the PC, click on the Power button for a long time to be the first smartphone perezapustit- loading takes a little longer than usual.
Installation of a custom TWRP Recovery (No Root)
For the installation of a custom TWRP Recovery on your smartphone ASUS Zenfone Max ZC550KL unnecessarily get Root, you need: adb installed drivers, Minimal ADB and Fastboot itself TWRP Recovery
Recovery Asus ZC550KL
Install the driver and the Minimal ADB and Fastboot to your computer (when installing put the check in the “Create a desktop icon”
Open the Minimal ADB and Fastboot clicking on the icon on the desktop
Turn on the phone in debug mode:
turn off two device
– press and hold the “Volume up” and “Power” button at the same time.
– “The CSC-Mode Long press the POWER to the restart system.” He is a is Fastboot (Bootloader) mode
– connect to your computer
in a terminal window write command fastboot devices and Hit Enter
in a terminal window write command fastboot flash recovery, space, wear out your mouse recovery.img file that will be installed on the terminal box (on the path to the file should be no Russian letters) or manually set the path and file name and hit Enter
on the inscription “FAILED (remote: cant flash unsigned image)” non-negotiable focus
finished. Writing exit, disconnect the phone from the computer, turn off and turn on the right in rekaveri mode. If you just do not go down in rekaveri and turn on the phone, rekaveri stock recover.
Root Getting on ASUS Zenfone Max ZC550KL
Installing ROOT of TWRP
- Install custom TWRP Recovery
- Download and copy to sd card memory UPDATE-SuperSU-v2.46.zip or PRO-SuperSU-v2.66.zir
- Go to the TWRP rekaveri, select Install, choose the appropriate .zip file and flash, and then restart the phone
You phone Rooting.