How to Easily Master Format OPPO A57E with Safety Hard Reset?

Tips and tricks to fix OPPO A57E problems. This phone can not work with 5G connections because it is use MediaTek MT6765G Helio G35 processor. Of course we still can use fast Internet access when using 4G LTE that work with dual simcard slot standby together for two different phone numbers.

This phone has 6.56 inches LCD screen size with HD resolutions. We can not use this phone for playing HD games because it use entry level GPU PowerVR GE8320 for average graphic rendering. We will give more solutions and information about how to solve troubles of OPPO A57E at community.

What are Advantages of OPPO A57E Specifications and Features?

  • Network GSM 3G HSDPA or 4G LTE with Dual simcard slot
  • LLCD 6.56 inches 20:9 aspect ratio
  • Processor Octa-core 4×2.3 GHz Cortex-A53 & 4×1.8 GHz Cortex-A53
  • GPU PowerVR GE8320
  • Bluetooth / GPS / Wifi
  • Memory Internal 64 GB
  • RAM 4 GB
  • 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 12
  • Battery Li-Po 5000 mAh

Solutions To Fix Camera Issues On OPPO A57E

This phone has dual main camera at back side body. Front camera is use 8 megapixel with notch drop. Follow this page to solve OPPO A57E front selfie or main camera troubles.

How to Fix or Problem Solving for Recovery OPPO A57E hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone has 64 GB internal memory that can be use for install many apps and games. We can use MicroSD at phone external memory. We have to make sure all applications are safe before downloaded to our phone. Because some new or not famous apps may contain viruses or malware that can make troubles if installed on our OPPO A57E.

They can stolen our data or install unknown apps without notice. Our OPPO A57E will get issues like hang or freezing or become slowly or stuck or broken or LCD touch screen not responsive. These kind of apps will not get Verified by Play Protect information / icon.

What do we have to do? Please try to remove temporary files and caches from internal memory by performing soft reset or reboot. We might get some help from antivirus applications like AVAST or NORTON to find suspected application and fix some bad setting options.

We also can clean temporary files and caches anytime by performing reboot or restart. This procedure will not remove any installed applications and important data, therefore we can do this process anytime we want. Please do not install APK from unknown resource for safety reasons.

How to Force Shutdown or Force Soft Reset or Reboot or Restart OPPO A57E ?

OPPO A57E RAM is 4GB capacity. Limited RAM will make this phone get lagging or stuck. Some other installed applications also can get hang or make LCD touch screen not responding. We have to force reboot or soft reset or restart by press and hold POWER button until OPPO A57E turning off or shutdown.

Performing reboot or restart is recommended anytime we want, because it can help to make our OPPO A57E become faster. It will remove any temporary files and caches. All applications and data will not removed or wipe because of soft reset or reboot or restart.

How To Make Faster OPPO A57E. Boost Speed Performance?

Some users get lagging issues when playing games with OPPO A57E. Follow some tips to solve OPPO A57E slowly problems.

How to backup data or Contact at OPPO A57E ?

This phone has external memory slot for MicroSDXC memory card. We can copy and paste all important files, photos, videos from internal memory using Android file manager.

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. We also can connect OPPO A57E with flash drive at USB OTG port.

If our OPPO A57E 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.

More Complete Solutions to Backup & Restore Contact / Data / Photos on OPPO A57E

To prevent data loosing, then we need to backup all data or photos or videos or other important things to safe locations. Follow this page to backup and restore data easily.

Please note: These options below may not work for some devices because of firmware update version or hardware troubles or some other possibilities.

#Option 1, Hard Reset OPPO A57E with software menu

  1. Turn on the OPPO A57E
  2. Make sure the battery is not empty
  3. Backup important data at OPPO A57E because all data and applications will be erase or delete
  4. Go to Menu : Setting
  5. Choose Tab :General
  6. PressBackup & 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. ChooseReset phone
  9. The OPPO A57E will do the master reset process.

hard reset oppo a57e

#Option 2, Hard Reset OPPO A57E Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO A57E 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 A57E
  2. Make sure the battery OPPO A57E already full or more than 50%
  3. Press together and hold thePower Button + Volume Down Button
  4. If the Logo appear, then release the button, after that we will enter some menu
  5. Choosewipe data / factory resetusingVolume Button, and pressPower Buttonto Enter or OK
  6. The OPPO A57E will continue master reset, wait for several minutes until OPPO A57E start like new again.

How to Unlock or Fix or Bypass or Solutions for OPPO A57E forgot password code or security lock screen pattern or pin (lost password)?

We suggest to protect OPPO A57E from unauthorized people when it is away from us or stolen or lost. We can use fingerprint or face detection to keep our data, apps and photos videos secure. However, we must choose secondary protection for backup like screen lock pattern or pin or password.

Why? Because after OPPO A57E restart or reboot, the fingerprint or face detection will not work. However, the problems will start happen when we can not unlock this phone or fingerprint can not work. What should we do?

If we forgot or can not unlock OPPO A57E security protection, then nothing we can do unless doing hard reset or master format using hardware button combination key like steps at #option 2 above. For more security protection, latest Android version has FRP (factory reset protection), therefore it will ask for previous Google account username and password to bypass FRP question.


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 A57E ?

There is no secret hidden code for OPPO A57E to make it back to factory default. We need to choose one following options above to hard reset.

How to Format or Erase Phone Memory at OPPO A57E ?

When we need to remove or wipe any data and applications from OPPO A57E, then please performing hard reset or reformat. Please choose Erase all data / Internal storage when our phone has that menu. Performing hard reset or reformat will remove any registered Google account from OPPO A57E.

How to Make Battery of OPPO A57E Stronger, Life Longer and Not Fast to Drain ?

5000 mAh battery capacity is ready to use on OPPO A57E. We can use it full one day or more. IF we use this phone too much for several hours continuously, then the battery may not enough. We have to do some adjustment to make OPPO A57E battery work more longer.

Please make LCD screen brightness as low as possible although this phone has auto brightness. We also have to turn off all not use connections like GPS or Bluetooth or WiFi. NFC is not installed on OPPO A57E.

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