Tips and tricks to fix OPPO A12E (CPH1853) problems. This is entry level cheap smartphone from Oppo which have full screen 6.2 inches LCD HD at 720 x 1520 pixels. When the first time release in the market, this phone use Android Oreo 8.1 as factory default operating system together with ColorOS 5.1 user interface. OPPO A12E use Qualcomm processor with SDM450 Snapdragon 450 which have dedicated GPU Adreno 506. There are some issue which may happen at this phone whether comes from software or hardware. Find more review and information about how to solve troubles ofOPPO A12E (CPH1853) at www.hard-reset.org community.

 

What is Advantage of OPPO A12E Specifications?

  • Network GSM 3G HSDPA or with 4G LTE Dual simcard
  • LCD 6.2 inches 19:9 aspect ratio
  • Processor Octa-core 1.8 GHz Cortex-A53
  • Bluetooth / GPS / Wifi
  • Memory Internal 64 GB
  • RAM 3 GB
  • GPU Adreno 506
  • Main Camera Dual 13 MP f/2.2 + 2 MP f/2.4
  • Main Camera Features autofocus, LED flash
  • Front Camera 8 MP for video conference and selfie photography
  • Operating System Android Oreo 8.1
  • Battery Li-Po 4230 mAh

 

How to Fix or Problem Solving for Recovery OPPO A12E hang or not responding or malfunctions or stuck or freezing or bricked ?

 

The internal memory of OPPO A12E (CPH1853) is sufficient to install many applications from Google Play Store like WeChat, Skype, Whatsapp, Facebook, Instagram, Kakaotalk, Telegram and many more. We recommended to buy fast MicroSD for external memory to extend the storage capacity.

Please avoid to install new or not famous applications, because some of them may contain viruses or malware that can make troubles at our OPPO A12E like become slowly or hang or stuck or broken or frozen or LCD touch screen not responsive. These kind of apps will not get Verified by Play Protect information / icon. If we must install this kind of apps, then please read many user review before install.

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 A12E. 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 A12E ?

This phone comes with 3 GB RAM for multitasking. Some installed applications may crash or corrupt, it can make troubles at our OPPO A12E like 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 A12E 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 A12E 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 A12E ?

 

Please use MicroSD to backup all important data inside this phone. We have to choose important data using Android File Manager, then copy that folders and paste to External memory MicroSD.

we can use USB data cable to connect with computer. After our phone recognize by computer, then choose important files using computer file manager and copy to safety location at our computer.

If our OPPO A12E 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 A12E with software menu

  1. Turn on the OPPO A12E
  2. Make sure the battery is not empty
  3. Backup important data at OPPO A12E 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 A12E will do the master reset process.

 

hard reset oppo a12e

#Option 2, Hard Reset OPPO A12E Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO A12E 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 A12E
  2. Make sure the battery OPPO A12E 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 A12E will continue master reset, wait for several minutes until OPPO A12E start like new again.

 

 

How to Unlock or Fix or Bypass or Solutions for OPPO A12E forgot password code or security lock screen pattern or pin (lost password)?

Do not expect to have triple or quad camera, OPPO A12E (CPH1853) only have dual camera with standard capabilities at 13 megapixel for standard + 2 megapixel for DOF at portrait photography. However, after use several months, we will have many private photos videos or important data. Please secure all data from unauthorized people especially when OPPO A12E away from us or lost or stolen.

Because this phone is cheap, fingerprint is not available on OPPO A12E. But we still an use other factory default protections like screen lock pattern or password pin protections. The problems will start happen when we can not unlock this phone. What should we do?

Don’t worry because we can unlock or bypass forgotten screen lock pattern or password pin protections at OPPO A12E use registered Google account. But we have to force hard reset or master format using hardware button combination key like steps at #Option 2 above. New OPPO smartphone already use latest Android version already implement FRP (Factory Reset Protection). FRP is important to secure our phone when it is stolen or lost. Android will ask to Verify your account with previous Google Account. This procedure target is to make sure that this phone is really belong to us.

At some Android version, we can bypass using previous installed Google account username and password after finish performing hard reset or master format. But at some other version update, we still have to type our screen lock pin or password protections. We can bypass using software at personal computer, but these steps are complicated for many users. Therefore we suggest to ask OPPO service center for bypass protections, but we have to proof that this is our phone. We also recommended to activate or create OPPO ACCOUNT at OPPO A12E, because it can help us to bypass forgotten security protections.

HOW TO FORCE SOFT RESET OR RESTART OR REBOOT OPPO A12E LOCKED SMARTPHONE?

If we can not turn off our OPPO smartphone, then please force soft reset or reboot by press POWER BUTTON + VOLUME UP BUTTON for several seconds (usually less then 10 seconds) until this phone reboot by itself.

 

Is That Any Secret Code for Doing Format OPPO A12E ?

There is no secret hidden code for OPPO A12E to make it back to factory default. Do the options above to hard reset it.

 

How to Format or Erase Phone Memory at OPPO A12E ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO A12E 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 A12E Stronger, Life Longer and Not Fast to Drain ?

OPPO A12E (CPH1853) already have big battery at 4230 mAh. We can use this phone full one day. This phone does not have fast charging technology. Some heavy users maybe need more bigger battery, but we can not replace the battery easily, because it is not removable battery. Therefore we need to do some adjustment like make LCD screen brightness as low as possible and disable all not use connections like GPS or Bluetooth or Wifi. OPPO A12E does not have NFC data connections.

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