Tips and tricks to fix OPPO A9 problems. Another Helio P70 smartphone from Oppo, it is use Mediatek MT6771V Helio P70 processor which have maximum 2.0 Ghz Cortex A53 CPU when running for heavy applications. It is already have dedicated GPU graphic processor unit Mali-G72 MP3 for playing 3D HD games without problems. The LCD screen size is 6.53 inches with Full HD resolutions. First operating system of OPPO A9 is Android 9.0 together with Oppo user interface known as ColorOS version 6. Find more review and information about how to solve troubles of OPPO A9 at www.hard-reset.org community.

 

What is Advantage of OPPO A9 Specifications?

Network GSM 3G HSDPA or with 4G LTE Dual simcard
LCD 6.53 inches 19.5:9 aspect ratio
Processor Octa-core 4 x 2.1 GHz Cortex-A73 & 4 x 2.0 GHz Cortex-A53
Bluetooth / GPS / Wifi
Memory Internal 128 GB with 6 GB RAM
GPU Mali-G72 MP3
Main Camera Dual 48 MP f/1.7 + 2 MP f/2.4 autofocus, LED flash
Front Camera 16 MP for video conference and selfie photography
Operating System Android Pie 9.0
Battery Li-Po 4020 mAh

 

 

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

When we want to buy smartphone, please note for the internal memory options. Because internal memory is use for keep all installed applications data and of course operating system as well. OPPO A9 (A9x) have 128 GB internal memory and work with 6 GB RAM for multitasking. By using ColorOS 6, there are some factory default applications has been installed inside this phone. However, we still have many free storage left to install more applications from Google Play Store like Facebook, Telegram, Instagram, WeChat, Whatsapp, Viber, Line Messenger, Snapchat, Skype, and some other more.

Google Play Store is easy place for many developers to upload their apps, some of bad developers will upload their bad apps which contain viruses or malware which can make some troubles at our OPPO A9 (A9x) like hang or stuck or broken or frozen or LCD touch screen not responsive. Please read as many users review as possible before download new or not famous apps. These bad apps will not get Verified by Play Protect information / icon.

If we get this problem, we have to try remove temporary files and caches inside this phone, because some troubles can be solve with this steps. If we are suspected infected by virus, then please install one good antivirus like Avast or Norton, then scan all content inside this phone. However, if the problems still happen, then we have to do hard reset to reformat our phone. Please remember, doing hard reset or master format can make our important data removed or wiped from this phone, this is also happen with all Google account which will remove from OPPO A9. We are not recommended to install APK from unknown resource for safety reasons.

 

How to Force Shutdown or Force Soft Reset or Reboot or Restart OPPO A9 ?

When our OPPO A9 start running not normal, usually that problem happen because be some application crash or corrupt. The problems will make our phone become hang or LCD touch screen not responding with any finger touch. We need to do soft reset or reboot to remove temporary files and caches. Please press and hold POWER button until OPPO A9 shutdown or turn off by itself. After this phone totally off, then we can press again POWER button to turn it ON. This process will not remove any important data, therefore we can do this process anytime we want. If our OPPO A9 still can work properly, but we want to clear temporary files and caches from some applications, then please press and hold POWER button until pop-up menu appear, continue choose Shutdown / Power off / Reboot menu.

 

 

How to backup data or Contact at OPPO A9 ?

The first recommended steps to backup important data inside OPPO A9 by using microSD. Please insert MicroSD at our OPPO A9 then move all important data or photo or videos at our OPPO A9 using File Manager applications.

If our OPPO A9 has already signed in with Google account, by default our contact will be synchronize in the background to Google server. Please make sure we check all contact at Google contact server using Internet browse to make sure backup is done.

 

#Option 1, Hard Reset OPPO A9 with software menu

  1. Turn on the OPPO A9
  2. Make sure the battery is not empty
  3. Backup important data at OPPO A9 because all data and applications will be erase or delete
  4. Go to Menu :  Setting 
  5. Choose Tab : General
  6. Press Backup & Reset > Restore factory setting
  7. Better you not check anything at the option if you do not want to erase data at data partition at internal memory
  8. Choose Reset phone 
  9. The OPPO A9 will do the master reset process.

 

hard reset oppo a9 / a9x

#Option 2, Hard Reset OPPO A9 Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO A9 can not turn on or hang or stuck or frozen so we can not access the menu setting or nothing happen while touch the screen, then try to factory reset with secret button and hardware key

  1. Turn off the OPPO A9
  2. Make sure the battery OPPO A9 already full or more than 50%
  3. Press together and hold the Power Button + Volume Down Button
  4. If the Logo appear, then release the button, after that we will enter some menu
  5. Choose wipe data / factory reset using Volume Button, and press Power Button to Enter or OK
  6. The OPPO A9 will continue master reset, wait for several minutes until OPPO A9 start like new again.

 

 

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

This phone have dual camera with big resolutions. Rear camera use 48 megapixel + 2 megapixel for DOF Bokeh effect. After use several moment, we will have many interesting pictures inside this phone. Some photos or videos maybe private. Therefore we have to secure all important data from unauthorized people when OPPO A9 (A9x) away from us or lost or stolen. Please use fingerprint which located at back side of body. When the first time activate this phone, it will ask to turn it on by register our fingerprint several time. Secondary protections like screen lock pattern or password pin protections is use for backup. The problems will start happen when we can not unlock this phone or fingerprint can not unlock. What should we do?

Do not worry about this trouble, because Android already give solutions when we forgot security screen lock pattern or password pin protections using Google account to unlock it. Please turn on this phone, when it ask for security answer, then please try to give several time wrong answer continuously until OPPO A9 locked or freezing about 30 seconds. At this situations we can find Forgot Password / Pattern button. Press this button, to give our Gmail username and password account that we have already signed-in before. If we still can not access Google or Gmail account, then we have to do hard reset using hardware button combination key above.

 

Is That Any Secret Code for Doing Format OPPO A9 ?

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

 

How to Format or Erase Phone Memory at OPPO A9 ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO A9 as well. Please use menu setting to do hard reset or reformat using #option 1 above, but make sure to give checkbox mark at Erase Internal SD card / Internal storage. Then it will reformat the factory default operating system and remove or erase any data inside internal memory.

To reformat or wipe or erase all data at external memory, we can use menu Setting > Storage > Erase Internal Storage / SD Card. Please always make sure all data has already backup before reformat or wipe everything, because it is hard to recover formatted / wiped data at internal or external storage.

 

How to Make Battery of OPPO A9 Stronger, Life Longer and Not Fast to Drain ?

Big battery is very important at this day. OPPO A9 (A9x) already use 4020 mAh for make it work full one day. For active users, maybe this battery still not enough. To make OPPO A9 battery work more longer for playing games or watch movie several hours continuously, please make some adjustment like make LCD screen brightness as low as possible. Please also disable all not use connections like GPS or NFC or Wifi or Bluetooth. If some applications want to know our locations, then please try to use GPS battery saving mode from menu Setting > Location.

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