Tips and tricks for fix HTC ONE A9 trouble. This phone also known as HTC AERO, Android smartphone which have 5 inches LCD screen using AMOLED for better color view. We can use latest Android operating system this phone release in the market using Android Marshmallow version 6.0. There are two options for internal memory that we can choose whether 16 GB ROM using 2 GB RAM or for more expensive one is 32 GB ROM using 3 GB RAM.


What is Advantage of HTC ONE A9 (AERO) Specifications:

LCD 5 inches touch screen AMOLED Display
Internal memory  16 GB with 2 GB RAM
Internal memory 32 GB with 3 GB RAM
External memory slot MicroSD upto 200 GB
Main Camera 13 MP, 4128 x 3096 pixels, optical image stabilization, autofocus, dual-LED (dual tone) flash
Front camera 4 Ultra Pixel can record video maximum 1080p / 30fps
Processor Quad-core 1.5 GHz Cortex-A53 & quad-core 1.2 GHz Cortex-A53
Operating system Android Marshmallow version 6.0
Battery Li-Po 2150 mAh



How to Fix or Problem Solving for Recovery HTC ONE A9 hang or not responding or malfunctions or stuck or freezing or bricked ?

HTC ONE A9 have two different options when we want to choose this phone, HTC ONE A9 with 16 GB internal memory using 2 GB RAM or 32 GB internal memory using 3 GB RAM. The price for 32 GB ROM will be more expensive. Both capacity also include with external microSD card slot maximum 200 GB. HTC ONE A9 use HTC Sense UI version 7 with several interesting factory default applications ready to use. We still can install additional interesting free applications from Google Play Store like Facebook, Instagram, Whatsapp, Line Messenger, WeChat, Blackberry Messenger (BBM), Viber, Skype and many more. But we have to know that some applications from Google Play Store may contain some viruses or malware, this bad apps can make our HTC ONE A9 hang or stuck or bricks or frozen or boot logo loop or LCD touch screen not responding. We have to force shutdown or force reboot or soft reset to clean temporary files and caches. After our HTC ONE A9 can boot normally again, we can try to install one good antivirus application from Google Play Store and scan all content inside our HTC ONE A9, if some suspected fond, then this antivirus will show us what to do to remove that viruses or malware setup. If this problems still happen, then we have to do hard reset or master format. Please note, doing hard reset will remove all important data inside HTC ONE A9, therefore we have to backup all important data first before doing hard reset. Backup can be done using applications from Google Play Store or using file manager to move files into microSD manually.


How to Force Shutdown or Force Soft Reset or Force Reboot or Force Restart HTC ONE A9 ?

When our HTC ONE A9 get trouble and the LCD touch screen hang or not responsive with our finger touch, then we have to force shutdown or force soft reset or reboot to restart all running applications from beginning, and also remove temporary files and caches. Because the HTC ONE A9 battery is non removable, then we can not unplug HTC ONE A9 battery to force shutdown. What should we do? When our phone get hang, then please press and hold POWER button until HTC ONE A9 shutdown by itself. Wait until this phone totally off, then press again POWER button to turn on this phone. This process will not remove any important data at this phone, therefore we can do this steps anytime we want. When our HTC ONE A9 still work normally, but we want to restart all running applications or remove temporary files, then we can press and hold POWER button until pop-up menu appear, then choose Shutdown / Reboot / Power off menu.


#Option 1, Hard Reset HTC ONE A9 with menu setting:

This is the option that we can do if this phone still can access the menu setting, then try to reset HTC ONE A9 with this step:


  1. Please Turn on the HTC ONE A9
  2. We suggest to charge the battery full
  3. Make sure you already backup all important data, because it will deleted from HTC ONE A9
  4. Go to Menu Setting > Backup & reset 
  5. Choose Reset Phone, continue with Erase Everything and choose OK
  6. The HTC ONE A9 will do the master reset until it finish


hard reset htc one a9

#Option 2, Hard Reset HTC ONE A9 with hardware button key:

In some situations, the HTC ONE A9 is not responding, so nothing happen when we navigate or touch the screen, in this step try to hard reset with hardware key by this step:

  1. Make sure you have fully charge the HTC ONE A9
  2. We should try to backup all important data if we can, because all data will be erased or wipe from this phone
  3. We can do this procedure at any conditions phone On or Off
  4. Press together Power Button + Volume Down together for several second until the Android icon appear, then release all button
  5. Navigate menu with Volume button to go to Factory Reset, to choose or enter press POWER Button
  6. The HTC ONE A9 will do the master reset for several minutes, just wait until it finish.


How to Restore and Reinstall Clean Android Operating system / firmware at HTC ONE A9 (Reformat)?

HTC ONE A9 have several interesting features like Fast battery charging or also known as quick charging, fingerprint for scan our finger and active noise cancellation which important to reduce noises around us when we make a phone call so the communication become more clear. All features run more interactive because HTC ONE A9 use Android Marshmallow as factory default operating system. But after we install several applications, sometime they can crash and make HTC ONE A9 operating system corrupt or damage, this conditions can make our phone act become strange. We have to reformat or reinstall with factory default operating system to make our HTC ONE A9 can run normally again. First we have to know, that clean factory default Android operating system file source already saved safely inside HTC ONE A9 ROM or internal memory, therefore we do not need to connect or copy or download anything from other device. Just follow simple steps to hard reset above, then clean factory default Android operating system will be reinstall automatically. Please note, the OS file source will follow latest firmware update when HTC ONE A9 get latest upgrade version.


How to Unlock or Fix or Bypass or Solutions for HTC ONE A9 forgot password code or security lock screen pattern or pin (lost password)?

With 4 ultrapixel front camera, we can take good pictures or selfie photography. This camera also can record video at Full HD 1080p at 30fps. Some photos or video maybe very important and confidence for us, therefore we need to give security protections to make our data keep secure inside HTC ONE A9. This phone have fingerprint scan to secure our data, first we need to scan our finger data, so next time when we want to use this phone, we just have to scan again our finger to recognize our security finger database. There are also several factory default security screen lock like password pin or pattern protections. What should we do when we forgot security screen lock at HTC ONE A9? Do not worry, because we can unlock or bypass forgot security screen lock pattern or password pin protections at HTC ONE A9 using Google account. Please try to give several time wrong answer continuously until HTC ONE A9 locked or freezing 30 seconds. At this time we can find Forgot Password / Pattern button, press this button, then HTC ONE A9 LCD screen will ask for our Gmail username and password that we have already signed-in before. If we can not restore security protections with our Google account, then we have to do hard reset using hardware button combination key.



How to Improve Performance HTC ONE A9 to make run more faster?

How fast HTC ONE A9 performance? This phone have good performance to run almost any applications from Google Play Store or offline APK files, because it use Qualcomm MSM8952 Snapdragon 617 54 bit processor which have double quad core processor Quad-core 1.5 GHz Cortex-A53 & quad-core 1.2 GHz Cortex-A53. For running 3D HD Games, HTC ONE A9 will run most of them without lag because it have dedicated GPU (graphic processor unit) Adreno 405. But why some users get slowly problems at their HTC ONE A9? Usually this problems comes from applications or firmware trouble. The biggest RAM of HTC ONE A9 is 3 GB, but this size will easily insufficient when there are too many applications run together. We also have to know, that some apps from Google Play Store will keep run in the background to wait data update. Therefore we have to uninstall some not use applications to give more free RAM size for the system resources. If we want to make our HTC ONE A9 performance run faster again, then we have to consider to do hard reset or master format.


Is That Any Secret Code for Doing Format HTC ONE A9 ?

There is no secret hidden code for HTC ONE A9 to make it back to factory default. Do the options above to hard reset it.