Tips and tricks to fix OPPO F19 problems. This is mid-end smartphone that use AMOLED 6.43 inches LCD screen size Full HD+ at 1080 x 2400 pixels resolution. This non pro version use Android 11 as factory default OS with ColorOS 11.1 Oppo user interface. This phone does not have 5G broadband connections, but of course still can access Internet fast with 4G LTE.

This phone is powered by Qualcomm SM6115 Snapdragon 662 processor with dedicated GPU (graphic processor unit) Adreno 610 for graphic rendering. It has triple rear camera and single punch hole front camera at the top right of the screen. Some issues happen on hardware or software of OPPO F19, therefore we will try to give more solutions, reviews and information about how to solve OPPO F19 (CHP2219 / CPH2219) troubles.


What are Advantages of OPPO F19 Specifications and Features?

  • Network GSM 3G HSDPA or 4G LTE with Dual simcard slot
  • LLCD 6.43 inches 20:9 aspect ratio
  • Processor Octa-core 4×2.0 GHz Kryo 260 Gold & 4×1.8 GHz Kryo 260 Silver
  • GPU Adreno 610
  • Bluetooth / GPS / Wifi
  • Memory Internal 128 GB
  • RAM 6 GB
  • Main Camera Quad 48 MP f/1.7 + 2 MP f/2.4 + 2 MP f/2.4
  • Main Camera Features autofocus, LED flash
  • Front Camera 16 MP for video conference and selfie photography
  • Operating System Android 11
  • Battery Li-Po 5000 mAh



Solutions To Fix Camera Issues On OPPO F19


How to Fix or Problem Solving for Recovery OPPO F19 hang or not responding or malfunctions or stuck or freezing or bricked ?

We can get big internal memory storage as 128 GB with 6 GB RAM. We still can use MicroSD because it has external memory dedicated slot. With Qualcomm SM6115 Snapdragon 662 CPU, there are many applications that we can download from Google Play Store.

But must read many users reviews before download new or not famous applications, because some bad developers create bad apps that may contain viruses or malware that can make troubles if installed on our OPPO F19 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 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 F19. 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 F19 ?


This phone comes with 6 GB RAM. However, sometime installed applications may crash or corrupt. Our OPPO F19 will not run normally such as 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 F19 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 F19 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 F19 ?

Because this phone has external memory slot, then we can use MicroSD for backup or copy paste files or photos from internal memory to external memory using default 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.

If our OPPO F19 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 on OPPO F19


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 F19 with software menu

  1. Turn on the OPPO F19
  2. Make sure the battery is not empty
  3. Backup important data at OPPO F19 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 F19 will do the master reset process.


hard reset oppo f19

#Option 2, Hard Reset OPPO F19 Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO F19 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 F19
  2. Make sure the battery OPPO F19 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 F19 will continue master reset, wait for several minutes until OPPO F19 start like new again.


How to Unlock or Fix or Bypass or Solutions for OPPO F19 forgot password code or security lock screen pattern or pin (lost password)?

This phone has three rear camera with 48 megapixel for wide + 2 megapixel for macro + 2 megapixel for DoF or Bokeh effect. After use some period of time, our phone will have many important data. We have to secure all private data from unauthorized people when OPPO F19 (CHP2219 / CPH2219) away from us or lost or stolen.

Fingerprint is located under display. Some users get accuracy issues with OPPO F19 fingerprint. Usually this problems happen because of thick non standard screen protection or tempered glass. Please remove any screen protection for give more fast and accurate fingerprint sensor.

Face unlock can be use for screen protections as well. We have to choose secondary protection like screen lock pattern or password or pin for backup. Because fingerprint or face detection will not work after OPPO F19 reboot or soft reset. We need to use secondary protection for one time. However, the problems will start happen when we can not unlock this phone or fingerprint can not work. What should we do?

Don’t worry because we can unlock or bypass forgotten screen lock pattern or password pin protections at OPPO F19 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 F19, because it can help us to bypass forgotten security protections.


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 F19 ?

There is no secret hidden code for OPPO F19 to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at OPPO F19 ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO F19 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 F19 Stronger, Life Longer and Not Fast to Drain ?

5000 mAh battery is use for powered up OPPO F19 (CHP2219 / CPH2219). We can use this phone full one day. If our phone battery is drop, we can quickly charge using fast charging 33W technology. However, if we want to make OPPO F19 battery work more longer, we have 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 F19 does not have NFC connection.