Tips and tricks to fix OPPO F15 problems. This is mid end smartphone from Oppo which use Octa Core Mediatek MT6771V Helio P70 processor with dedicated GPU (graphic processor unit) Mali-G72 MP3 for playing games with less lag. When we see at the front panel, there is LCD screen use AMOLED with 6.4 inches LCD width and having Full HD+ resolutions at 1080 x 2400 pixels, it have small notch drop for hold front camera at the top of screen.

At back side of body, there are four vertical camera with various functions. Suppose this phone have Android 10, but when the first time release in the market, OPPO F15 (CPH2001) use Android Pie 9.0 as factory default operating system together with ColorOS 6.1 user interface. Find more review and information about how to solve OPPO F15 (CPH2001) troubles at community.


What is Advantage of OPPO F15 Specifications?

Network GSM 3G HSDPA or with 4G LTE Dual simcard
LCD 6.4 inches 20:9 aspect ratio
Processor Octa-core 4 x 2.1 GHz Cortex-A73 & 4 x 2.0 GHz Cortex-A53
Bluetooth / GPS / Wifi
Memory Internal 128 GB
GPU Mali-G72 MP3
Main Camera Quad 48 MP f/1.8 + 8 MP f/2.3 + 2 MP f/2.4 + 2 MP f/2.4 B/W
Main Camera Features autofocus, LED flash
Front Camera 16 MP for video conference and selfie photography
Operating System Android Pie 9.0
Battery Li-Po 4025 mAh



Easy Solutions To Fix Camera Issues On OPPO F15


How to Fix or Problem Solving for Recovery OPPO F15 hang or not responding or malfunctions or stuck or freezing or bricked ?

Internal memory is very important to keep all data when install any applications. This phone have big internal memory 128 GB with also big RAM 8 GB. Although it have big internal memory, we still can add additional external memory with MicroSD storage maximum 256 GB usually for save photos and videos from good OPPO F15 camera. With big internal memory, we can install many applications from Google Play Store like Whatsapp, Facebook, WeChat, Instagram, Kakaotalk, Telegram and many more.

Some applications inside Google Play Store not always good to install, especially new or not famous applications, because usually they may contain viruses or malware that can make troubles if installed at our OPPO F15 like hang or stuck or broken or frozen or LCD touch screen not responsive. Please read user review as many as possible before download new or not famous applications. 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 F15. 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 F15 ?


After installing many applications, some apps may crash or corrupt and make some troubles at our OPPO F15 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 F15 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 F15 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 F15 ?

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-c 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 F15 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 Easy Complete Procedure To Backup & Restore Data On OPPO F15


#Option 1, Hard Reset OPPO F15 with software menu

  1. Turn on the OPPO F15
  2. Make sure the battery is not empty
  3. Backup important data at OPPO F15 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 F15 will do the master reset process.



hard reset oppo f15 (2020)

#Option 2, Hard Reset OPPO F15 Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO F15 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 F15
  2. Make sure the battery OPPO F15 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 F15 will continue master reset, wait for several minutes until OPPO F15 start like new again.


How to Unlock or Fix or Bypass or Solutions for OPPO F15 forgot password code or security lock screen pattern or pin (lost password)?

With four camera at back side of body, most users will take many good pictures, especially because we can take ultra wide photos with 8 megapixel camera and also can create bokeh effect with portrait photography. We have to make sure all private pictures and any important data can not access by authorized people when OPPO F15 (CPH2001) away from us or lost or stolen. Please activate security protections like fingerprint which located under display or face unlock recognizing. After register first protection, we also have to choose secondary protections like screen lock pattern or password pin protections. The problems will start happen when we can not unlock this phone or fingerprint can not work for unlock. What should we do?

Don’t worry because we can unlock or bypass forgotten screen lock pattern or password pin protections at OPPO F15 use registered Google account. Previous Google account is very important because it will use for security verification after force from Hard Reset or Master Format to Factory Default. Because at LCD screen will display: Verify your account with previous Google Account. Please use Forgot email link if we forgot our account.

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 for previous pin. 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. We also recommended to activate or create OPPO ACCOUNT at OPPO F15, 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 F15 ?

There is no secret hidden code for OPPO F15 to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at OPPO F15 ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO F15 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 F15 Stronger, Life Longer and Not Fast to Drain ?

OPPO F15 (CPH2001) use non removable 4025 mAh battery. This battery have fast charging / quick charger technology with VOOC Flash Charge version 3.0. Most users can use this phone full one day without need to recharge. But if we use this phone several hours continuously like watch movie or playing games, the battery of OPPO F15 will not enough. Please 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 F15 does not have NFC connection.