Tips and tricks to fix OPPO F11 PRO problems. This is Android smartphone which have dual camera with big resolution. The first rear camera have 48 megapixel work together with second rear camera with 5 megapixel resolutions for deep of field or bokeh effect, main camera have sufficient aperture number at f/1.8 which is good to take pictures at low light situations. If the conditions are really dark, then we can get help from LED light flash which is available only at back side camera. The front camera use 16 megapixel with motorized pop-up which automatically pop up when we need to use front camera. OPPO F11 PRO use Mediatek Helio P70 which have 12 nm processor technology. When the first time release at the market, this phone already use Android Pie version 9.0 together with ColorOS 6 as factory default operating system. Find more review and information about how to solve OPPO F11 PRO troubles at www.hard-reset.org community.

 

What is Advantage of OPPO F11 PRO Specifications?

Network GSM 3G HSDPA or with 4G LTE Dual simcard
LCD 6.53 inches 19.5:9 aspect ratio
Processor Octa-core 2.1 GHz Cortex-A73 & 2.0 GHz Cortex-A53
Bluetooth / GPS / Wifi
Memory Internal 128 GB with 6 GB RAM
Memory Internal 64 GB with 4 GB RAM
Main Camera Dual 48 MP f/1.8 + 5 MP f/2.4 autofocus, LED flash
Front Camera 16 MP for video conference and selfie photography
Operating System Android Pie 9.0
Battery Li-Po 4000 mAh

 

 

How to Fix or Problem Solving for Recovery OPPO F11 PRO hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone comes with two options base by internal memory. One with 64 GB and more expensive one use 128 GB. Both version have enough RAM to run multitasking applications. When the time OPPO F11 PRO release in the market, Android Pie is the latest operating system version from Google, therefore having Android Pie at OPPO F11 PRO is good thing for Oppo lovers. The internal memory are enough to install many applications from Google Play Store like Instagram, Viber, Line Messenger, Facebook, Whatsapp, WeChat, Snapchat, Skype, Telegram, Blackberry Messenger (BBM).

Please make sure we are reading as many users review as possible, because there are some bad apps available at Google Play Store, especially new or not famous applications. If we install that kind of bad apps, then some troubles may happen like hang or stuck or broken or frozen or LCD touch screen not responsive. These bad 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 F11 PRO. 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 F11 PRO ?

If everything runs well, we do not need to do any soft reset or reboot. But when some installed apps get crash or corrupt, then sometime our OPPO F11 PRO will run not normal or 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 F11 PRO 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 F11 PRO 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 F11 PRO ?

Please note OPPO F11 PRO does not have external memory.

If our OPPO F11 PRO 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.

 

#Option 1, Hard Reset OPPO F11 PRO with software menu

  1. Turn on the OPPO F11 PRO
  2. Make sure the battery is not empty
  3. Backup important data at OPPO F11 PRO 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 F11 PRO will do the master reset process.

 

hard reset oppo f11 pro

#Option 2, Hard Reset OPPO F11 PRO Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO F11 PRO 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 F11 PRO
  2. Make sure the battery OPPO F11 PRO 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 F11 PRO will continue master reset, wait for several minutes until OPPO F11 PRO start like new again.

 

 

How to Unlock or Fix or Bypass or Solutions for OPPO F11 PRO forgot password code or security lock screen pattern or pin (lost password)?

We can said that this is one of biggest 48 megapixel smartphone camera at this time. Therefore we will have many private pictures or videos for our own library. After use several period, we also will have many installed applications and important data. It is very important to give security protections to make unauthorized people can not access our private data when OPPO F11 PRO away from us or lost or stolen.

Fingerprint is available at back side of body. We need to register our fingerprint several time to make it recognize to unlock OPPO F11 PRO. Beside fingerprint, we also can use face unlock protections. All protections will need to have backup to make it work when we can not access fingerprint or face unlock. The secondary protections can be choose such as screen lock pattern or password pin. The problems will start happen when we can not unlock this phone or fingerprint can not unlock. What should we do?

Do not worry about this trouble, because Android already give solutions when we forgot security screen lock pattern or password pin protections using Google account to unlock it. Please turn on this phone, when it ask for security answer, then please try to give several time wrong answer continuously until OPPO F11 PRO locked or freezing about 30 seconds. At this situations we can find Forgot Password / Pattern button. Press this button, to give our Gmail username and password account that we have already signed-in before. If we still can not access Google or Gmail account, then we have to do hard reset using hardware button combination key above.

 

Is That Any Secret Code for Doing Format OPPO F11 PRO ?

There is no secret hidden code for OPPO F11 PRO to make it back to factory default. Do the options above to hard reset it.

 

How to Format or Erase Phone Memory at OPPO F11 PRO ?

There are two phone memory type at OPPO F11 PRO, one is internal memory and the other one is external memory. If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO F11 PRO 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 F11 PRO Stronger, Life Longer and Not Fast to Drain ?

We need to have sufficient battery when using smartphone. OPPO F11 PRO alrady have big enough battery at 4000 mAh. Having 6.53 inches LCD screen for standard activity can make OPPO F11 PRO work full one day without need to recharge. But if we use more intensive work using this phone like playing games or watch movie continuously several hours, then our OPPO F11 PRO battery will not enough. Please do some adjustment like make LCD screen brightness as low as possible. Please also disable all not use connections like NFC or Bluetooth or GPS or Wifi. We suggest to activate GPS battery saving mode from menu Setting > Location when some apps want to know our locations.

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