Tips and tricks to fix OPPO K3 problems. This is mid end Android smartphone with Android Pie version 9.0 as factory default operating system. The screen size is 6.5 inches full screen and Full HD+ resolutions and give better images color because it use AMOLED screen type. This phone use 64 bit processor Qualcomm SDM710 Snapdragon 710 with dedicated graphic processor unit (GPU) Adreno 616. There are two internal memory that we can choose whether 128 GB with 8 GB RAM or 64 GB with 6 GB RAM. The prices for 64 GB RAM is more cheaper. Please note OPPO K3 does not have microSD slot, therefore we can not expand with any external memory. This phone have dual camera at back side of body and unique motorized pop-up front camera with 16 MP. Find more review and information about how to solve OPPO K3 troubles at www.hard-reset.org community.

 

What is Advantage of OPPO K3 Specifications?

Network GSM 3G HSDPA or with 4G LTE Dual simcard
LCD 6.5 inches 19.5:9 aspect ratio
Processor Octa-core 2 x 2.2 GHz Kryo 360 Gold & 6 x 1.7 GHz Kryo 360 Silver
Bluetooth / GPS / Wifi
Memory Internal 64 GB with 6 GB RAM
Memory Internal 128 GB with 8 GB RAM
GPU Adreno 616
Main Camera Dual 16 MP f/1.7 + 2 MP f/2.4 autofocus, LED flash
Front Camera 16 MP (popup) for video conference and selfie photography
Operating System Android Pie 9.0
Battery Li-Po 3765 mAh

 

 

How to Fix or Problem Solving for Recovery OPPO K3 hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone already installed with Android Pie 9.0 as factory default operating system. Therefore we do not need to install anything while open this phone from the box. Just login with Google account or sign in to create new Google account if we do not have anything. After login with Google account, our OPPO K3 can download many interesting applications from Google Play Store like Instagram, WeChat, Whatsapp, Facebook, Viber, Line Messenger, Telegram, Snapchat, Skype, and some other more.

Beside good applications, we also have to be careful download new or not famous applications, because some of them may contain viruses or malware that can make some troubles with our phone like hang or stuck or broken or frozen or LCD touch screen not responsive. If we must download new applications, then please read as many users review as possible. 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 K3. 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 K3 ?

Force shutdown is recommended to try when our OPPO K3 start run not normal, maybe some application crash or corrupt. The problems will make our phone 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 K3 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 K3 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 K3 ?

Please note, OPPO K3 does not have external memory MicroSD. But we can use usd and data cable to connect to computer, then copy manually files inside OPPO K3 using computer File Manager.

If our OPPO K3 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 K3 with software menu

  1. Turn on the OPPO K3
  2. Make sure the battery is not empty
  3. Backup important data at OPPO K3 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 K3 will do the master reset process.

 

hard reset oppo k3

#Option 2, Hard Reset OPPO K3 Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO K3 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 K3
  2. Make sure the battery OPPO K3 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 K3 will continue master reset, wait for several minutes until OPPO K3 start like new again.

 

 

How to Unlock or Fix or Bypass or Solutions for OPPO K3 forgot password code or security lock screen pattern or pin (lost password)?

This phone have unique fingerprint, because the location is under display. Therefore we will not find any fingerprint sensor at the body. Fingerprint icon will be appear when our phone locked, that icon will tell us where is the exact location of fingerprint at the display. When activate this fingerprint we need to register our finger several time. We can also choose face unlock recognizing for protections. After first protections finish setup, the secondary protections also will ask for backup, we can choose screen lock pattern or password pin protection. 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 K3 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 K3 ?

There is no secret hidden code for OPPO K3 to make it back to factory default. Do the options above to hard reset it.

 

How to Format or Erase Phone Memory at OPPO K3 ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO K3 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 K3 Stronger, Life Longer and Not Fast to Drain ?

OPPO K3 use 3765 mAh battery capacity, this is enough to make 6.5 inches LCD screen smartphone work, moreover this phone already use Qualcomm SDM710 Snapdragon 710 with 10 nm technology which is more better for battery consumption. But for heavy users who watch movie and playing games several hours continuously, the battery will not enough. However, we can not replace OPPO K3 battery with bigger capacity, because this phone battery is not removable. Please do some adjustment to make OPPO K3 battery work longer. First make LCD screen brightness as low as possible. Disable all not use connections like GPS or Wifi or Bluetooth. NFC is not available at this phone.