How to Easily Master Format ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL) with Safety Hard Reset?

Tips and tricks for troubleshot ASUS ZENFONE 2 problems. ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL) is dual sim card GSM-GSM Android smartphone which have 4G LTE capabilities. This phone release in several type, they are different in RAM, Internal memory capacity, camera and several more with production code ZE551ML and ZE550ML and ZE500CL.

What is the different between each model of ASUS ZENFONE 2 ?

Asus Zenfone 2 ZE500CL comes with single simcard slot and 5 inches LCD screen, this phone use Dual Core processor from Intel manufacture with 1.6 Ghz clock speed, 16 GB Internal memory and 2 GB RAM. ZE500CL also have only 8 megapixel main camera and 2 megapixel for front camera.

Asus Zenfone 2 ZE550ML and ZE551ML have the same 5.5 inches LCD screen size and both of this product already have 13 megapixel for main camera and 5 megapixel for front camera, with dual sim card GSM-GSM capabilities. All product have 16 GB internal memory and 2 GB RAM, but special for ZE551ML have other alternative with higher specification for processor clock speed and internal memory up to 64 GB, also 4 GB RAM.

What is Advantage of ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL) Specifications:

GSM Dual Sim On Together (GSM-GSM)
LCD 5 inches & 5.5 inches with Gorilla Glass 3
Internal memory 16GB or 32GB or 64 GB
RAM 2 GB or 4 GB
External memory microSD, up to 64 GB
Main Camera 8 MP, 3264 x 2448 pixels, autofocus, LED flash for Asus Zenfone 2 ZE500CL
Main Camera 13 MP, 4128 x 3096 pixels, autofocus, LED flash for Asus Zenfone 2 ZE550ML and ZE551ML
Processor Dual-core and Quad Core from Intel
Operating system Android Lollipop OS v.5.0
Battery Li-Po 2500 and 3000 mAh

How to Fix or Problem Solving for Recovery ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL)hang or not responding or malfunctions or stuck or freezing or bricked ?

ASUS ZENFONE 2 comes with several interesting applications bundle with Asus ZenUI user interface, like Browser, Email, Calendar, Remainder call What’s next, Do it Later, SuperNote and some other more. We also can add more free applications from Google Play Store like Facebook, Instagram, Path, Pinterst, Whatsapp, BBM, WeChat, Line Messenger, Viber, Skype and many more. Because this phone use Intel processor, then some applications at Google Play Store are not always compatible with this phone, some applications also may contain not appropriate stuff like virus or malware or spyware. If we have already install these kind of applications, then our ASUS ZENFONE 2 can become hang or stuck or bricks or frozen or boot logo loop. Some case can make our ASUS ZENFONE 2 LCD touch screen not responding in the middle of running applications. We should force soft reset or force shutdown or reboot for restarting all running applications and remove temporary files and caches. If this problem still happen, then we have to do hard reset or master format. Please do not forget to backup all important data, pictures, movie video, music to safe place or external memory, then remove external microSD card before doing hard reset, because all data will be remove or wipe after finish doing master format. Master format also will remove all Google account.

Follow this step to Backup Important Data Contact & Others for ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL)

How to Force Shutdown or Force Soft Reset or Reboot or RestartASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL)?

When we playing games or running applications, the problems can happen like LCD touch screen not responsive with our finger touch or hang or freeze at ASUS ZENFONE 2 phone. Then we have to force soft reset or reboot or force shutdown by press and hold POWER button until this phone turn off by itself, after ASUS ZENFONE 2 totally OFF, then press again POWER button to turn it on. This process will not remove any important data. We can do this steps when our phone still at normal situations just for release some cache and temporary files from running applications, please press and hold POWER button until pop-up menu appear, then choose Power Off / Shutdown / Reboot menu. We can do this steps anytime we want.

#Option 1, Hard Reset ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL)with Software Menu :

  1. Make sure the battery is charge properly
  2. Turn on ASUS ZENFONE 2 smartphone
  3. Don’t forget to backup all important data
  4. Go to menu:Setting > Backup & reset > Factory Data Reset> Reset Phone
  5. ChooseErase everythingto continue and confirm you ready to do the format ASUS ZENFONE 2
  6. The ASUS ZENFONE 2 will continue the step until ready to use in clean factory default.

#Option 2, Hard Reset ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL)with Hardware Key Button:

  1. Make sure the battery fully charge
  2. Do not forget to backup all important data
  3. Turn off the ASUS ZENFONE 2
  4. Press and hold Volume Up button (do not release and continue to no.5)
  5. Press and hold Power button (no.4 still continue press and hold), so now we hold Volume Up Button + Power Button together
  6. Wait until vibrate appear at ASUS ZENFONE 2, then release Power button (do not release Volume Up button)
  7. If we see Logo appear at LCD screen, then release Volume Up button (release all button now)
  8. Wait until FASTBOOT MODE appear
  9. At this text menu, use Volume Down Button to choose Recovery Mode and continue with pressPower Buttonto confirm or OK
  10. Wait until the LCD of ASUS ZENFONE 2 will show the Android Logo with error text, continue press and hold POWER button, after that continue press and release one time Volume Up,then we will seeAndroid System Recovery Mode menu
  11. Follow the menu at LCD screen to continue wipe data/factory Resetfor hard reset ASUS ZENFONE 2, useVolume UporVolume Downto navigate the Menu and pressPower Buttonto OK or Enter

How to Restore and Reinstall Clean Android Operating system / firmware at ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL) ?

The ASUS ZENFONE 2 already release at the first time in market using Android Lollipop version 5.0. This operating system already installed and ready to use after we open this phone from the box, just continue to setup our Google account or this phone also available to add Asus account if we want. The file source of factory default Android Lollipop already saved safely inside ASUS ZENFONE 2 ROM. That is why we do not need to worry when our phone operating system damage or corrupt because of any reasons. Please follow steps to hard reset above, then clean factory default Android operating system or firmware will be restore or reinstall or reformat automatically.

How to Unlock or Fix or Bypass or Solutions for ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL)forgot password code or security lock screen pattern or pin (lost password)?

We always give suggestion for ASUS ZENFONE 2 to give more security protections for keep our data safe from unauthorized users or safe our important data when our phone stolen. We do not need to install any protections applications, because ASUS ZENFONE 2 already have several factory default options to choose. We recommended using screen lock pattern because it is easy and fast to use. Some users also like to use password pin protections. The problem will happen when we forget security protections password, what should we do? Do not worry because Google already give easy steps to unlock or bypass forgot security protection using Google account or Gmail username and password. Please try to give several time wrong answer continuously until this phone freeze or locked about 30 seconds. At this time we can find Forgot Password/ Pattern button, press this button to give our Gmail username and password that we have already signed-in before for unlock forgotten security protections. Please make sure our Internet network already active when this phone need to authentication account at Google server. If we can not access Google account, then we have to do hard reset or master format.

How to Improve Performance ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL)to make run more faster?

Base by several benchmark applications review, the Intel processor performance at ASUS ZENFONE 2 is good and fast to access any applications at this phone. But some users will get slowly trouble at ASUS ZENFONE 2, usually this problems happen because there are too many applications run in the background. We have to know, when we install some applications from Google Play Store, some apps will keep run in the background without any notifications to wait for command and data update. If there are too many applications run together including background apps, then our RAM and processor resources will be limited and insufficient, the ZE551ML which come with 4 GB RAM models will get more power to run multiple background process and foreground process together. Please try to uninstall some not use applications to give more free empty RAM capacity. If we want to make our ASUS ZENFONE 2 run faster again like new, then we have to consider do hard reset or master format and re-setup our phone from beginning again.

How to Reset ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL) Camera Setting to Factory Default ?

When we get camera problems to take good pictures, maybe this problems happen because our ASUS ZENFONE 2 get trouble with setting that we have change before. The best way to make ASUS ZENFONE 2 camera result back to factory default, then please follow this steps: Go to Camera apps > Choose Setting > go down near the bellow end, then choose Restore Default Settings.This reset process of ASUS ZENFONE 2 camera will not remove any photo that we have already taken before.

Is That Any Secret Code for Doing Format ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL)?

There is no secret hidden code for ASUS ZENFONE 2 to make it back to factory default. Do the options above to hard reset it.

Why ASUS ZENFONE 2 Battery Damage or How To Make It Work Longer ?

Please Note That the Battery of smartphone have life time. Usually after use about 2 years, the battery performance will be downgrade and at one time, need to be replace. If we get this problems, please replace our ASUS ZENFONE 2 battery with new original battery at Asus authorized service center. The new battery will make our ASUS ZENFONE 2 can work longer.


# How to Remove Google Account at ASUS ZENFONE 2 ?

This is Android smartphone, therefore Google account is one of important login to make this phone work will full services. However, sometime we want to remove Google Account at ASUS ZENFONE 2, please follow this steps:

  • Go to menu Setting > Account
  • Choose Google Account that we want to remove
  • At page menu at the top, please choose Remove Account
  • The chosen Google account will be remove or wipe or erase from ASUS ZENFONE 2. This is same meaning with Logout Google Account from ASUS ZENFONE 2.

# How to Wipe or Erase All data at ASUS ZENFONE 2 ?

When we want to give this phone to someone else, we suggest to remove all data including Google account. If we want to remove or wipe or erase or clean all data from ASUS ZENFONE 2, then please try to do hard reset either using menu Setting with clean data files like steps at #option 1 above or use hardware button combination key like steps at #option 2 above.

# How to Hard Reset or Reformat ASUS ZENFONE 2 without Passcode or Password Protections ?

Using protection is recommended to secure all data at our ASUS ZENFONE 2, but some users get troubles when they want to process hard reset or master format, because ASUS ZENFONE 2 keep ask the passcode or password to bypass. If we get this problems, we suggest to do hard reset using hardware button combination key like steps at #option 2 above. It will reformat ASUS ZENFONE 2 without ask any authentications or passcode.

10 thoughts on “How to Easily Master Format ASUS ZENFONE 2 (ZE551ML / ZE550ML / ZE500CL) with Safety Hard Reset?”

  1. Pls help me i have set pattern lock to my asus zenfone 2 ze551ml i need to change it to swipe lock but i cannot change i want to know the reason

    • Hi, you can try to bypass forgot security pattern protection at Asus Zenofone 2 using Google account. Please try to give several time wrong answer continuously until your phone locked 30 seconds, then you can press Forgot Pattern button, and you can type your Gmail username and password that you have sign-in before (at the first time). Please make sure your Asus Zenfone 2 internet connection is active because your phone will ask authentication at Google server. If still can not access your Gmail account, then try to do hard reset using hardware button combination key to reinstall the operating system and factory default applications inside your Asus Zenfone 2.

  2. When i choose the Rocovery option it only shows 3 options
    Reboot system now
    Apply update from ADB
    Apply update from microSD
    And i want to hard reset my phone

    • Hi, please follow steps to hard reset Asus Zenfone 2 using hardware button combination key like steps at #option 2 above. It will show menu to factory reset. As far as your Asus Zenfone 2 still at standard rom or has not got any custom tweak, then the menu for hard reset or factory default menu will appear.

  3. My zenfone ZE511 doesn’t turn on, since the last time I tried to restart it! When u connect to the charger, it only vibes, but no led or screen signs. Is there any way to fix?
    Thanks in advance!

    • Hi, first maybe you can try to charge your Asus Zenfone 2 using different Android charger which have minimum 1 A current output, then charge it about 1 hours. If still can not work or not show anything, then please try to do hard reset using hardware button combination key like steps at #option 2 above.

  4. Hi, as per instructions above, I have hard reset my asus zenfon 2 ze551ml, and now main screen shows- unfortunately, has stopped!
    Now I am unable to retrieve even its home screen, notification panel is also not showing anything, only network is showing but that too is of no use bcz of hung home screen. pl help, what should I do.
    Service centre is also very far away from my place, in other city.
    Thanks & regards!

    • Hi, please try to hard reset again one more time using hardware button combination key, and after your Asus Zenfone 2 finish restore to factory default, then please do not use any previous Google account to make sure your phone does not do automatic restore the cloud backup.

  5. there were many sites i tried and they did not have the specific instructions that you had.. thank you very much..i finally have hard reset my phone after forgetting the pin


Leave a Comment