Step 3: Long press with＂ Power ＂ key and ＂ Volume up ＂ key together for at least 5 seconds to enter Recovery Mode. Step 4: Please use＂Volume Down/Up＂ key to select menu on the screen. Choose＂Recovery mode＂, and then press ＂Power＂ key to enter the selection. Step 5: Wait a few seconds and you will see this on the screen. Firmware Version:Asus zenfone 4 Rooted or not:No Frequency of Occurrence:Asus zenfone 4 APP Name & APP Version (If your issue relates to the app): Asus zenfone 4 In addition to the information above, please also provide as many details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc. step for flashing asus Zenfone 4 max:- installing minimal adb fastboot - installing adb usb driver- fastboot mode ( hold volume up + power ) then connect usb flashing asus zenfone 4 max pro ( ASUS X00ID - ZC554KL) is very simple- install usb driver- extract firmware - enter phone to fastboot mode- run : flasha Asus Zenfone 4 Max, ZC520KL or also called X00HD, is referred as X00H Asus Zenfone 4 Max, ZC554KL or also called X00ID, is referred as X00I Asus Zenfone 4 Max Pro, ZC554KL or also called X00ID, is referred as X00I THIS ROM REQUIRES PIE FW. OREO AND NOUGAT FW WON'T BOOT! Flashing instructions Note: You must be on stock Android Oreo or Android FhR48.

firmware asus zenfone 4 max