How to Easily Master Format OPPO F19S with Safety Hard Reset?

Tips and tricks to fix OPPO F19S problems. This is non 5G connection smartphone that work with Qualcomm SM6115 Snapdragon 662 processor with Android 11 as factory default operating system and use ColorOS 11.1 as Oppo user interface. It has fast 4G LTE on dual simcard slot standby together.

The screen use AMOLED type at 6.43 inches size Full HD+ resolutions. It has 16 megapixel front camera that located on top right screen. We will give more solutions to solve troubles of OPPO F19S at community.

What are Advantages of OPPO F19S Specifications and Features?

  • Network GSM 3G HSDPA or 4G LTE with Dual simcard slot
  • LLCD 6.52 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 32 GB
  • RAM 3 GB
  • Main Camera Triple 13 MP f/2.2 + 2 MP f/2.4 + 2 MP f/2.4
  • Main Camera Features autofocus, LED flash
  • Front Camera 8 MP for video conference and selfie photography
  • Operating System Android 11
  • Battery Li-Po 5000 mAh

How to Fix or Problem Solving for Recovery OPPO F19S hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone work with Qualcomm SM6115 Snapdragon 662 mid-end processor with dedicated GPU Adreno 610 for playing some games. We can download many applications inside 128 GB internal storage. We can not use MicroSD card because it does not have external memory slot.

We suggest to read many user review carefully before download new or not famous applications, because some of them may contain viruses or malware that can make troubles if installed on our OPPO F19S (CPH2219) such as 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.

Solutions To Fix Camera Issues On OPPO F19S

How to Force Shutdown or Force Soft Reset or Reboot or Restart OPPO F19S ?

The OPPO F19S RAM capacity is 6 GB. 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 F19S turning off or shutdown.

Performing reboot or restart is recommended anytime we want, because it can help to make our OPPO F19S 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 F19S & Fix Lagging Perfomance?

How to backup data or Contact at OPPO F19S ?

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 F19S 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 Data / Contact / Photos / Chat On OPPO F19S

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

#Option 1, Hard Reset OPPO F19S with software menu

  1. Turn on the OPPO F19S
  2. Make sure the battery is not empty
  3. Backup important data at OPPO F19S 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 F19S will do the master reset process.

hard reset oppo f19s

#Option 2, Hard Reset OPPO F19S Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO F19S 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 F19S
  2. Make sure the battery OPPO F19S 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 F19S will continue master reset, wait for several minutes until OPPO F19S start like new again.

How to Unlock or Fix or Bypass or Solutions for OPPO F19S forgot password code or security lock screen pattern or pin (lost password)?

We will have many important applications and data inside OPPO F19S internal storage. We also will have several private photos and videos that taken from three rear camera 48 megapixel wide + 2 megapixel macro + 2 megapixel depth. We have to make sure all data can not access by unauthorized people when OPPO F19S stolen or lost or away from us.

We can use fingerprint or face detection. If the fingerprint under display is not accurate, usually because we use thick or non standard tempered glass. Please remove any 3th party screen protections to make fingerprint work more faster and responsive.

We have to activate secondary protection like password or pin or screen lock patter, because after OPPO F19S reboot, then fingerprint or face detection will not work. We have to unlock using secondary protections. 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 F19S 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 F19S ?

There is no secret hidden code for OPPO F19S to make it back to factory default. Do the options above to hard reset it.

How to Format or Erase Phone Memory at OPPO F19S ?

When we need to remove or wipe any data and applications from OPPO F19S, 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 F19S.

How to Make Battery of OPPO F19S Stronger, Life Longer and Not Fast to Drain ?

5000 mAh battery capacity is big enough to make OPPO F19S (CPH2219) work more longer. This phone has fast charging 33W technology to recharge more quickly. However, we have to do some adjustment to make OPPO F19S battery work more longer if we are very active users. Please make LCD screen as low as possible. We also have to disable all not use connections like GPS or Bluetooth or Wifi. NFC is not available on OPPO F19S.

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