How To update OTA without bootloop on Rooted Zenfone 2



First things first: (get this straight, don't download the incorrect firmware together with flash the incorrect thing)
ZE550ML = Z008
ZE551ML[2gb,4gb ram] = Z00A


Files Needed:

  1. Drivers for Asus Zenfone ii installed on PC
  2. ADB installed on your PC (Download)
  3. Flash Tools (Download)
  4. Pre-rooted system.img together with recovery (Download) (Download the right firmware which is acquaint inwards your phone)
Steps:
  1. Download the pre-rooted system.img folder (Download the right firmware according to your hollo upwards ZE550ML = Z008 , ZE551ML = Z00A )
  2. Download together with run WinRAR . Click on the '.zip' business office of the system.img file. You volition come across that WinRAR puts all the parts together together with offers y'all an selection to extract the ane big system.img. Go ahead together with extract it to the folder the other parts of the ROM are in.
  3. Unzip the FlashTools.zip together with re-create the next four downloaded files together with glue it into extracted flashtools folder:
    boot.img ( , 11MB)
    droidboot.img ( , 13MB)
    recovery.img ( , 11MB)
    system.img ( , 2GB)
  4. Disconnect your hollo upwards from PC/Laptop.. Power it off. Once it is off, concord downwardly the book upwards push clitoris together with concord on to the ability push clitoris until the hollo upwards vibrates. After the vibration stops, liberate the ability push clitoris together with live past times along pressing the book upwards push clitoris until the light-green Android robot appears. You should come across a blueish business below maxim "Waiting Fastboot command"
  5. Now connect your hollo upwards via USB to your computer.
  6. At the flashtools folder press Shift + Right Click.. Then choose "Open ascendancy here"... 
  7. Copy together with glue the next commands inwards the ascendancy prompt window (line past times line) together with press live inwards afterward each line. WAIT for the procedure to consummate earlier copying together with pasting the side past times side line:
    fastboot flash fastboot droidboot.img
    fastboot flash recovery recovery.img
    fastboot flash kick boot.img
    fastboot flash organisation system.img
  8. The flashing of system.img volition accept huge fourth dimension to exhibit whatever text afterward max size info,after unopen to to a greater extent than fourth dimension it volition exhibit finished ,then y'all tin plug out the USB together with press the ability button, reboot your hollo upwards together with when it starts up, your hollo upwards is ROOTED.
  9. Now opened upwards Supersu[it volition inquire for su binary update,click NO],and click unroot from options of supersu,reboot once
    now download the OTA file from here [get the latest ane ,check the version number]
  10. rename the OTA null which y'all download to "MOFD_SDUPDATE.zip", glue the renamed null inwards internal retention together with external memory[yes glue inwards both place,i tried to house inwards internal didnt function ,so endeavour inwards both]
  11. now ability off, Once it is off, concord downwardly the book upwards push clitoris together with concord on to the ability push clitoris until the hollo upwards vibrates. After the vibration stops, liberate the ability push clitoris together with live past times along pressing the book upwards push clitoris until the light-green Android robot appears. You should come across a blueish business below maxim "Waiting Fastboot command" ,Now hither click vol downwardly till y'all come across Recovery means inwards top big rectangle box,now click ability button,and thats all it volition update your phone..
WARNING together with Note: dont take bloatwares or organisation apps if u wishing for slow OTA update[use cwm,twrp for slow rooting]
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