How to Easily Master format OPPO RENO3 with Safety Hard Reset?

Tips and tricks to fix OPPO RENO 3 problems. This is 5G Android mid-end smartphone from Oppo which use high performance processor Mediatek Dimensity 1000L which work with mobile network 5G with 7 nm processor technology. This phone already have dedicated GPU (graphic processor unit) Mali-G77 MP9 for work with 3D HD games without lag.

The first operating system when the first time release in the market use Android 10 (TEN) with Oppo user interface known as ColorOS version 7. OPPO RENO3 use AMOLED screen with 6.4 inches width and Full HD+ resolutions at 1080 x 2400 pixels. We can use this phone for watch Full HD streaming movie from Youtube and some other locations.

Find more review and information about how to solve troubles of OPPO RENO 3 (PCHM30) at community.

What is Advantage of OPPO RENO 3 Specifications?

Network GSM 3G HSDPA or with 4G LTE Dual simcard, 5G
LCD 6.4 inches 20:9 aspect ratio
Processor Octa-core
Bluetooth / GPS / Wifi
Memory Internal 128 GB
RAM 8 GB or 12 GB
GPU Mali-G77 MP9
Main Camera Quad 48 MP f/1.8 + 8 MP f/2.2 + 2 MP f/2.4 + 2 MP f/2.4
Main Camera Features autofocus, LED flash
Front Camera 44 MP + 2 MP for video conference and selfie photography
Operating System Android Ten 10.0
Battery Li-Po 4025 mAh

Solution To Fix Camera Issues On OPPO RENO3

OPPO RENO 3 Camera Advantages Features

OPPO RENO 3 have good quality rear camera and also front camera. This phone have Dual Punch-Hole camera for ultra clean images with bigger resolution. The main camera have 48 megapixel and telephoto 13 megapixel and 8 megapixel ultrawide and supported with monochrome 2 megapixel camera. Rear camera OPPO RENO 3 use Ultra Dark Mode which will automatically active when the light situation around 1 Lux. The front camera have dual lens with 44 megapixel and 2 megapixel. Front camera have Ultra Night Selfie, it will give beautiful photo when taking selfie camera at low light situations.

How To Fix Lagging Slowly Issues On OPPO RENO3?

How to Fix or Problem Solving for Recovery OPPO RENO 3 hang or not responding or malfunctions or stuck or freezing or bricked ?

OPPO RENO3 only have one option for internal memory, which is 128 GB storage. But the RAM have two options which are 8 GB and 12 GB. In our own opinion, having smaller size of REMO3 RAM 8 GB are already big enough for run multitasking applications. We can install many interesting apps from Google Play Store like Facebook, WeChat, Instagram, Whatsapp, Kakaotalk and some other more.

But we have to know that bad apps also upload their fake apps for share their viruses or malware from Google Play Store, usually these are happen at new or not famous apps. We always suggest to read as many user review as possible. Usually if someone get troubles with their phone because of bad apps, then some of them may share to give bad experience or bad review of that kind of apps. If we install bad apps, then our OPPO RENO 3 will get some troubles like 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 RENO 3. 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 RENO 3 ?

Because OPPO RENO3 (PCHM30) already have big free internal storage, then usually we will install many apps. But some apps may crash or corrupt that can make our OPPO RENO 3 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 RENO 3 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 RENO 3 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 RENO 3 ?

Please note that OPPO RENO 3 does not have external memory slot. We can not backup data to external memory, but 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 RENO 3 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, Contact On OPPO RENO3

#Option 1, Hard Reset OPPO RENO 3 with software menu

  1. Turn on the OPPO RENO 3
  2. Make sure the battery is not empty
  3. Backup important data at OPPO RENO 3 because all data and applications will be erase or delete
  4. Go to Menu : Setting
  5. Choose Tab :General
  6. PressBackup & 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. ChooseReset phone
  9. The OPPO RENO 3 will do the master reset process.

hard reset oppo reno 3

#Option 2, Hard Reset OPPO RENO 3 Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO RENO 3 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 RENO 3
  2. Make sure the battery OPPO RENO 3 already full or more than 50%
  3. Press together and hold thePower Button + Volume Down Button
  4. If the Logo appear, then release the button, after that we will enter some menu
  5. Choosewipe data / factory resetusingVolume Button, and pressPower Buttonto Enter or OK
  6. The OPPO RENO 3 will continue master reset, wait for several minutes until OPPO RENO 3 start like new again.

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

OPPO RENO 3 give good experience when taking photos using four camera start from 64 megapixel for wide + 8 megapixel for ultrawide. The other two use for support which work with 2 megapixel black and white or 2 megapixel for DOF or BOKEH at portrait photo. We may have many private pictures or videos. Please secure all data from unauthorized people especially when OPPO RENO3 away from us or lost or stolen.

Fingerprint is available at OPPO RENO 3, but the fingerprint located under display, therefore we can not find any fingerprint sensor at back side of body. We have to register our fingerprint several time to make it recognize easily. Please simulate our hand to hold OPPO RENO 3 at daily activity, then register our finger at that position. We also can use 32 megapixel front camera for face unlock recognizing. Secondary protection is needed for backup, please choose 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 RENO 3 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 RENO 3, 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 RENO 3 ?

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

How to Format or Erase Phone Memory at OPPO RENO 3 ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO RENO 3 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 RENO 3 Stronger, Life Longer and Not Fast to Drain ?

OPPO RENO3 (PCHM30) use 4025 mAh battery capacity with 30W fast charge version 4.0. The battery is not removable. For standard usage, we can use OPPO RENO3 battery full one day without need to recharge because this phone use efficient processor with 7 nm technology. But the battery will not enough for heavy users who use their phone several hours continuously for watch movie or playing games. Please do some adjustment like make LCD screen brightness as low as possible and disable all not use connections like NFC or Wifi or GPS or Bluetooth.

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