Tips and tricks for troubleshot ASUS ZENFONE SELFIE ZD551KL problems. We call this phone with ASUS ZENFONE SELFIE because it have big 13 megapixel camera at front and also have light flash for front camera, but if we want to get more better images at low light situations, then we suggest to use main camera at back side because it also have 13 megapixel camera but the aperture lens open more bigger at f/2 while the front selfie camera aperture is f/2.2 (more bigger number means more smaller for aperture open lens).

 

What is Advantage of ASUS ZENFONE SELFIE ZD551KL Specifications:

GSM 3G HSDPA with 4G LTE, dual sim GSM+GSM
LCD 5.5 inches
Internal memory 16 GB or 32 GB
RAM 2 or 3 GB
External memory microSD, up to 128 GB
Main Camera 13 MP, 4128 x 3096 pixels, phase detection autofocus, dual-LED (dual tone) flash
Front Camera 13 MP, 1080p, autofocus, dual-LED (dual tone) flash
Processor Quad-core Cortex-A53 & Quad-core Cortex-A53
GPU Adreno 405
Operating system Android Lollipop version 5.0 can be upgrade to Android Marshmallow
Battery Li-Po 3000 mAh

 

 

How to Fix or Problem Solving for Recovery ASUS ZENFONE SELFIE ZD551KL hang or not responding or malfunctions or stuck or freezing or bricked ?

Asus ZenUI is the user interface which installed at ASUS ZENFONE SELFIE ZD551KL when the first time we use this phone, it use Android Lollipop and also installed with several important applications. We can choose 16 GB or 32 GB when buy this phone, but both still have external microSD simcard with maximum capacity 128 GB. We can install many important free or paid applications from Google Play Store like Facebook, Instagram, Whatsapp, WeChat, Line Messenger, Blackberry Messenger (BBM), Skype, Viber and many more. But we have to make sure that applications is safe before download. How to make sure safe applications from Google Play Store. If that applications is new, then make sure we read the review carefully, because some users will tell bad things if that applications not good or contain viruses or malware. However, if we have already installed that applications, then our ASUS ZENFONE SELFIE ZD551KL can become hang or stuck or bricks or frozen or boot logo loop or LCD touch screen not responding in the middle of running applications. We have to force shutdown or force soft reset to clean temporary files and caches. After our phone can boot properly, then we can try to install one good antivirus from Google Play Store and scan all content at our ASUS ZENFONE SELFIE ZD551KL. If this problems still get trouble, then we have to do hard reset or master format. Please note, doing hard reset can make our ASUS ZENFONE SELFIE ZD551KL important data wiped or removed. Therefore we have to backup all important data first before doing hard reset.

 

How to Force Shutdown or Force Soft Reset or Force Reboot or Force Restart ASUS ZENFONE SELFIE ZD551KL ?

We can run many interesting applications with ASUS ZENFONE SELFIE ZD551KL because it have 5.5 inches LCD screen with good color. But because of bad applications, our ASUS ZENFONE SELFIE ZD551KL can become hang or LCD touch screen not responsive with our finger touch, at this time we have to force shutdown or force reboot or force soft reset to restart all running applications from beginning, and also remove temporary files and caches. Please open back cover case of ASUS ZENFONE SELFIE ZD551KL then remove the battery, wait about 5 seconds or more then put again that battery at right positions, press POWER button to turn on this phone. We already done to force soft reset at this phone. If our ASUS ZENFONE SELFIE ZD551KL still can boot properly but we want to clean temporary files and caches, then when it ON, press and hold POWER button until pop-up menu appear, then choose Shutdown / Power off / Reboot menu. Soft reset or reboot process will not remove any important data, therefore we can do this process anytime we want.

 

#Option 1, Hard Reset ASUS ZENFONE SELFIE ZD551KL with Software Menu :

  1. Make sure the battery is charge properly
  2. Turn on ASUS ZENFONE SELFIE ZD551KL smartphone
  3. Don’t forget to backup all important data
  4. Go to menu: Setting > Backup & reset > Factory Data Reset > Reset Phone 
  5. Choose Erase everything to continue and confirm you ready to do the format ASUS ZENFONE SELFIE ZD551KL
  6. The ASUS ZENFONE SELFIE ZD551KL will continue the step until ready to use in clean factory default.

 

 

hard reset asus zenfone selfie

 

#Option 2, Hard Reset ASUS ZENFONE SELFIE ZD551KL 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 SELFIE ZD551KL
  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 SELFIE ZD551KL, 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 press Power Button to confirm or OK
  10. Wait until the LCD of ASUS ZENFONE SELFIE ZD551KL 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 see Android System Recovery Mode menu
  11. Follow the menu at LCD screen to continue wipe data/factory Reset for hard reset ASUS ZENFONE SELFIE ZD551KL, use Volume Up or Volume Down to navigate the Menu and press Power Button to OK or Enter

 

How to Restore and Reinstall Clean Android Operating system / firmware at ASUS ZENFONE SELFIE ZD551KL (Reformat) ?

We can Android Lollipop for first factory default operating system at ASUS ZENFONE SELFIE ZD551KL. This OS already installed and ready to use, we just need to login with Google account to make us able use Google Play Store and other Google applications. But some bad applications also can make our ASUS ZENFONE SELFIE ZD551KL OS become damaged or corrupted, then our phone will act not normal. We have to reformat or reinstall with factory default Android operating system. First we have to know, that clean factory default Android operating system file source already saved safely inside ASUS ZENFONE SELFIE ZD551KL ROM or internal memory, therefore we do not need to connect or copy from other device. Just follow simple steps to hard reset above, then clean factory default Android operating system will be reinstall automatically.

 

How to Unlock or Fix or Bypass or Solutions for ASUS ZENFONE SELFIE ZD551KL forgot password code or security lock screen pattern or pin (lost password)?

Taking many photos and record some videos will be fun using 13 megapixel front selfie camera and 13 megapixel at main camera. Some photos maybe only for private use, therefore we have to give security protections to make our data keep secure from unauthorized person. Usually we use screen lock pattern because it is more easy to use, but some users also like to use password pin protections. The problems start happen when we forgot the answer. But do not worry, because we can unlock or bypass forgot security screen lock pattern using Google account. Please turn on ASUS ZENFONE SELFIE ZD551KL, when it ask for password or pattern, try to give several time wrong answer continuously until ASUS ZENFONE SELFIE ZD551KL freezing or locked 30 seconds. At this time we can find Forgot Password / Pattern button, press this button then we can give our Gmail username and password that we have already signed-in when the first time use this phone. If we can not access our Gmail account, then we have to do hard reset using hardware button combination key.

 

 

How to Improve Performance ASUS ZENFONE SELFIE ZD551KL to make run more faster?

We can see that this phone have good specifications using 64 bit Octa Core processor from Qualcomm which have double quad core at  quad-core 1.5 GHz Cortex-A53 & quad-core 1.1 GHz Cortex-A53 clock speed. This chipset also have Adreno 405 GPU (graphic processor unit), therefore we can run many applications without problems and run 3D HD Games without lag because dedicated GPU. But why some ASUS ZENFONE SELFIE ZD551KL users have slowly problems? Most case happen because there are too many applications run in the background. We have to know, that some applications that we install from Google Play Store or offline APK files will keep run in the background to wait data update. If they run in the background or foreground then it will use some amount of RAM. Therefore if many applications run together, then our ASUS ZENFONE SELFIE ZD551KL RAM and process resources will be insufficient and make ASUS ZENFONE SELFIE ZD551KL become slowly. Therefore we have to uninstall some not use applications. If we want to make our ASUS ZENFONE SELFIE ZD551KL performance run faster again like new, then we have to consider doing hard reset.

 

How to Update ASUS ZENFONE SELFIE ZD551KL operating system for Android Marshmallow (firmware upgrade) ?

Asus promise to give ASUS ZENFONE SELFIE ZD551KL operating system upgrade to Android Marshmallow, because this phone use Android Lollipop when the first time release in the market. The upgrade will be use OTA (over the air), but we always suggest to use Wifi when get OTA upgrade. Please wait more time for download official ASUS ZENFONE SELFIE ZD551KL Android Marshmallow upgrade.

 

Is That Any Secret Code for Doing Format ASUS ZENFONE SELFIE ZD551KL ?

There is no secret hidden code for ASUS ZENFONE SELFIE ZD551KL to make it back to factory default. Do the options above to hard reset it.

 

Latest hard-reset.org Discussions & Share Information:

[Q] No starting for my phone Asus zenphon selfie.
[A] Hi, if your Asus Zenfone Selfie can not start, maybe there are some applications that get trouble and make your phone operating system become damage or corrupt. You have to do hard reset or master format to reinstall clean factory default Android operating system to your Asus Zenfone Selfie. Because you can not boot your phone, then please try to do hard reset using hardware button combination key like steps at #option 2 above carefully.
 

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