Tips and tricks to fix OPPO RENO4 F problems. This is non 5G smartphone with dual simcard slot for different GSM number. This phone use full screen Super AMOLED 6.43 inches Full HD+ at 1080 x 2400 pixels. At top right of the screen we can see dual front camera 16 mp + 2 mp. This phone comes with Android 10.0 as factory default operating system use ColorOS 7.2 Oppo user interface.

This is mid-end smartphone powered by Helio processor from Mediatek MT6779V Helio P95, we can play HD games less lag with PowerVR GM9446 GPU (graphic processor unit) for smooth graphic rendering. Some users get issue when using OPPO RENO4 F hardware or software. We will try to give more solutions, reviews and information about how to solve OPPO RENO4 F troubles at community.


What are Advantages of OPPO RENO4 F Specifications and Features?

  • Network GSM 3G HSDPA or 4G LTE with Dual simcard slot
  • LCD 6.43 inches 20:9 aspect ratio
  • Processor Octa-core 2×2.2 GHz Cortex-A75 & 6×2.0 GHz Cortex-A55
  • GPU PowerVR GM9446
  • Bluetooth / GPS / Wifi
  • Memory Internal 128 GB
  • RAM 8 GB
  • Main Camera Quad 48 MP f/1.7 + 8 MP f/2.2 + 2 MP f/2.4 + 2 MP f/2.4
  • Main Camera Features autofocus, LED flash
  • Front Camera Dual 16 MP + 2 MP for video conference and selfie photography
  • Operating System Android 10.0
  • Battery Li-Po 4000 mAh



Solution To Fix Camera Issues On OPPO RENO4 F


How to Fix or Problem Solving for Recovery OPPO RENO4 F hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone has 128 GB internal storage with 8 GB RAM. We still can use external memory MicroSD / MicroSDXC for give more storage inside OPPO RENO4 F. We can run many applications without troubles because good performance of Mediatek MT6779V Helio P95. There are some interesting apps that can install from Google Play Store.

But we have to read many user reviews before install new or not famous applications, because some of them may contain viruses or malware that can make troubles if installed at our OPPO RENO4 F 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 RENO4 F. 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 RENO4 F ?

With 8 GB RAM, OPPO RENO4 F can run many applications without troubles. But sometime installed applications may crash or corrupt. Our OPPO RENO4 F will run not normal 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 RENO4 F 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 RENO4 F 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 RENO4 F ?

There are some options to backup our important data, because this phone has external memory, then we can use MicroSD / MicroSDXC for backup all important data from internal memory using default Android file manager applications.

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 RENO4 F 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 / Photos / Chat On OPPO RENO4 F


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 RENO4 F with software menu


  1. Turn on the OPPO RENO4 F
  2. Make sure the battery is not empty
  3. Backup important data at OPPO RENO4 F 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 RENO4 F will do the master reset process.


hard reset oppo reno4 f

#Option 2, Hard Reset OPPO RENO4 F Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO RENO4 F 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 RENO4 F
  2. Make sure the battery OPPO RENO4 F 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 RENO4 F will continue master reset, wait for several minutes until OPPO RENO4 F start like new again.


How to Unlock or Fix or Bypass or Solutions for OPPO RENO4 F forgot password code or security lock screen pattern or pin (lost password)?

This phone has beautiful rear multi camera with 48 megapixel for wide + 8 megapixel for ultrawide as 119 degree + 2 megapixel for macro + 2 megapixel for DoF or Bokeh effect at portrait photos. We will have many private photos videos. Please secure all applications and confidential data from unauthorized people when OPPO RENO4 F away from us or stolen or lost.

Fingerprint or front camera can be use for lock screen. Please note if some users get issue with OPPO RENO4 F under-display fingerprint, then make sure we are not use thick 3th party screen protections. We need to choose secondary protections for backup like screen lock pattern or password or pin. Fingerprint or face detection will not work after OPPO RENO4 F reboot or restart, we have to use secondary protection for activate. 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 RENO4 F 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 RENO4 F, 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 RENO4 F ?

There is no secret hidden code for OPPO RENO4 F to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at OPPO RENO4 F ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO RENO4 F 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 RENO4 F Stronger, Life Longer and Not Fast to Drain ?

4000 mAh is standard battery capacity at this days. OPPO RENO4 F also use this capacity with fast charging 18W technology. We can use this phone full one day without recharge for standard usage. Please do some adjustment to make OPPO RENO4 F battery work more longer by make LCD screen not too bright and disable all not use connections like GPS or Bluetooth or Wifi. Is OPPO RENO4 F have NFC? No, we can not use NFC connection at this phone.