Tuesday, November 25, 2014

How to Fix Bootloop on Zenfone 4 A400CG



Today I will share some methods How to Fix Bootloop on Zenfone 4. Bootloop means your phone doesn't boot up right, it's just starting and starting and nothing happens, or it's starting and shutting down and starting again. It just means your phone makes a loop while booting

Method 1

First Method you can enter Safe Mode if it's possible. But you must know the cause of bootloop, for example My Zenfone Bootloop because accidentally install bad apps/apk. This Method will not erase your data.

  1. Turn Off Zenfone
  2. Turn On Zenfone and When it Show Asus Logo Quickly Press Volume Down Until Enter Safe Mode
  3. Fix the Problem by deleting the cause of Bootloop
  4. Restart your Zenfone, and see your bootloop is fixed or not.
Detailed Instructions about Safe Mode can you see Here : http://www.asus-zenfone.com/2014/09/zenfone-how-to-enter-safe-mode.html

Method 2

Second Method Can be applied if your Zenfone 4 can enter droidboot. This Method will erase your data (data loss).
  1. Turn Off Zenfone 4 and Remove the battery
  2. Plug in the battery again.
  3. Enter Droidboot mode by Pressing Volume up + Power
    Zenfone 4 Droidboot Mode - www.asus-zenfone.com
    Zenfone 4 Droidboot Mode - www.asus-zenfone.com
  4. Choose "Factory Reset"
  5. Reboot and See if your Bootloop has been resolved or not.

Method 3

The Third Method requires RAW firmware for Zenfone 4, and a Micro SD Installed on your Zenfone 4. This Method completely erase all of your data and root.
  1. Download Raw Firmware for Zenfone 4 ( JellyBean , KitKat
  2. Place RAW file inside SD Card
  3. Turn Off Zenfone 4 and Enter Droidboot by pressing Volume up + Power Button
  4. Choose "SD Download"
  5. Wait Until Finish and Reboot




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