Tips and trick for fix OPPO NEO 3 problems. This is low end smartphone from Oppo which have 4.5 inches LCD screen, but the screen display have good result of view because it have IPS LCD screen at 480 x 854 pixels. Do not expert the specification to much for this low end smartphone, but for doing daily activity still fine. This phone have 3G HSDPA dual simcard GSM-GSM on together, but we need to hold one simcard while answering the others.


What is Advantage of OPPO NEO 3 (R831K) Specifications?

Network GSM 3G HSDPA
Dual Simcard GSM-GSM
LCD 4.5 inches, 480 x 854 pixels
Processor Dual-core 1.3 GHz
Memory Internal 4 GB storage
Main Camera 5 MP, 2592 х 1944 pixels, autofocus, LED flash
Front Camera 2 MP
Operating System Android, v4.2.1 (Jelly Bean)
Battery Li-Po 1900 mAh



How to Fix or Problem Solving for Recovery OPPO NEO 3 (R831K) hang or not responding or malfunctions or stuck or freezing or bricked ?

We always suggest all OPPO NEO 3 to only install important applications, some users choose to install Facebook or Instagram or Whatsapp or Twitter or Viber or Skype or Blackberry Messenger or Line Messenger or WeChat, but maybe we can not install all of them together because the limitation of storage or internal memory which only have 4 GB. The 4 GB also already share with operating system and factory default applications, therefore we will not get fully 4 GB, only less then half of it as free empty internal memory. We have to know that some applications from Google Play Store will not always compatible with our OPPO NEO 3, some applications may get virus or malware. If we install that kind of apps, then our OPPO NEO 3 will become trouble or stuck or bricks or frozen or LCD touch screen not responding. Some trouble also can make our phone can not boot normally. Please try to force soft reset or force shutdown or force reboot to restart all applications from beginning. If this problems still happen, then we have to do hard reset or master format. Please note, doing hard reset will remove or wipe any important data or photos or anything from our OPPO NEO 3, therefore we have to do backup before doing hard reset.


How to Force Shutdown or Force Soft Reset or Reboot or Restart OPPO NEO 3 (R831K) ?

When OPPO NEO 3 (R831K) get trouble because of applications stuck or bad installation, then our OPPO NEO 3 will get trouble like hang or LCD touch screen not responsive in the middle of running applications. At this time we have to force shutdown or force soft reset or reboot. Please open the back case cover of OPPO NEO 3, after that remove the battery, wait about 5 seconds and put again the battery at right positions, continue press and hold POWER button to turn on this phone again. This process is safe to do anytime we want, because soft reset will not remove anything from our OPPO NEO 3. We also can soft reset or reboot this phone while we can access any menu or while this phone still work normally. Please press and hold POWER button until pop-up menu appear, then choose Shutdown / Power off / Reboot menu.


#Option 1, Hard Reset OPPO NEO 3 (R831K) with software menu

  1. Turn on the OPPO NEO 3 (R831K)
  2. Make sure the battery is not empty
  3. Backup important data at OPPO NEO 3 (R831K) 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 NEO 3 (R831K) will do the master reset process.



hard reset oppo neo 3 to factory default

#Option 2, Hard Reset OPPO NEO 3 (R831K) Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO NEO 3 (R831K) 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 NEO 3 (R831K)
  2. Make sure the battery OPPO NEO 3 (R831K) already full or more than 50%
  3. Press together and hold the Power Button + Volume Down Button
  4. If steps no.3 not work, please try again from power off state, and press again Power Button + Volume Up Button
  5. If the Logo appear, then release the button, after that we will enter some menu
  6. Choose wipe data / factory reset using Volume Button, and press Power Button to Enter or OK
  7. The OPPO NEO 3 (R831K) will continue master reset, wait for several minutes until the OPPO NEO 3 (R831K) start like new again.


How to Restore and Reinstall Clean Android Operating system / firmware at OPPO NEO 3 (R831K) (Reformat) ?

The operating system of OPPO NEO 3 (R831K) is using Jelly Bean. When the best time for reformat OPPO NEO 3 (R831K) operating system? When our phone still work normally, we do not need to reformat, unless if our OPPO NEO 3 start to work not normal or sometime not responsive because of applications crash, the operating system may get damaged or corrupted. Before we reformat or reinstall the operating system, we need to know that clean factory default Android operating system already saved safely inside our OPPO NEO 3 ROM or internal memory. Therefore we do not need to copy or connect our phone to other device. Just follow simple steps to hard reset above, then clean factory default Android operating system/firmware will be reinstall or reformat or restore automatically.


How to Unlock or Fix or Bypass or Solutions for OPPO NEO 3 (R831K) forgot password code or security lock screen pattern or pin (lost password)?

There are several factory default options that we can choose to give security protections at our OPPO NEO 3, to prevent our important data read by not authorized people or stolen or lost. Usually we recommended to use screen lock pattern, because this protection is easy to use, but some users also like to use password pin protections. The problems happen when we forgot security screen lock answer, what should we do? Do not worry, because we can bypass or unlock forgot security screen lock pattern or password pin protections at our OPPO NEO 3 using Google account. Please try to give several time wrong answer continuously until our phone freeze or locked 30 seconds. At this time we can find Forgot Password / Pattern button, press this button, then we can type our Gmail username and password at specific field. If we can not access Google account, then we have to do hard reset using hardware button combination key.



How to Improve Performance OPPO NEO 3 (R831K) to make run more faster?

The specification of OPPO NEO 3 is limited, because it use Dual Core processor, but the RAM of OPPO NEO 3 is 1 GB which is not too small for multitasking applications. However, we have to install only important applications because of limited internal memory. The external memory can use to keep our photos or movies or downloaded files, but if we want to install applications from Google Play Store will use internal memory as main storage. We also have to know that some applications which downloaded from Google Play Store will keep run in the background without any notification to wait data update or command. If many of them run together, then our OPPO NEO 3 RAM will become insufficient and this phone will start become slowly, because this phone will try to find which old not use applications that can force close to give more free RAM. So, we suggest to uninstall some not use applications. If we want to make our OPPO NEO 3 performance run faster again, then please try to consider doing hard reset or master format.


Is That Any Secret Code for Doing Format OPPO NEO 3 (R831K) ?

There is no secret hidden code for OPPO NEO 3 to make it back to factory default. Do the options above to hard reset it.


How to Upgrade OPPO NEO 3 (R831K) to Android Kitkat or Android Lollipop Official Update? 

Until we write this information, OPPO does not release any official update for Android Kitkat at OPPO NEO 3. We also can not upgrade OPPO NEO 3 to Android Lollipop. However, using Android Jelly Bean OS at OPPO NEO 3 still work stable and all features can work without problems. Although some other community also give steps to reinstall Android Kitkat to OPPO NEO 3, but some custom ROM will make our phone not run normally and get trouble. Therefore please becareful before doing that.


Why OPPO NEO 3 (R831K) get Insufficient Memory When Install Applications from Google Play Store ?

This is because the internal memory or ROM of OPPO NEO 3 (R831K) is very limited at 4 GB. This internal memory also use for operating system and factory default applications, so we only get about 2,6 GB free internal memory capacity. We can not uninstall factory default application without root, but doing root is risky and can make our phone not work normally. If we install too many applications from Google Play Store, then our internal memory will be insufficient and can not install anything unless we remove or uninstall some of them. We also have to known, some applications like Facebook or Twitter or Whatsapp will use internal memory to keep data files, this conditions also can make our internal memory become insufficient.


How to Make OPPO NEO 3 (R831K) Battery Work More Longer or Not Fast To Drain ?

This phone have standard battery. To make battery work more stronger, then we have to try uninstall some not important apps which always connect to Internet, because it will consume a lot of battery power. We also have to do some adjustment for work longer with OPPO NEO 3 (R831K). Please make LCD screen brightness as low as possible. Please disable all not use connections like GPS or Bluetooth or Wifi.


Latest Discussions & Share Information:

[Q] after factory reset ringtones are not installed and no tone available for incoming calls and messages. Sound recorder application even does not work. Only vibrator works.
[A] Hi, usually after finish hard reset, your Oppo Neo 3 operating system will be reformat to factory default. Then it will act like new phone with factory default installed applications. Therefore your ringtone should be available, unless you use custom ROM or has been tweak with non official operating system. Please try to consult with Oppo authorized service center.

[Q] Hi, anyone can help me my problem about my oppo R831K, I flash it already but after that it become a black screen and vibrating long time PLEASE help me guys thank you.
[A] Hi, please try to follow steps at #option 2 above to reformat your Oppo R831K operating system to factory default. If that steps still not work, then maybe there are other trouble. Please consult with Oppo authorized service center.