Tips and tricks to fix OPPO RENO5 Z problems. This is 5G smartphone that comes with Android 11 as factory default operating system together with ColorOS 11.1 Oppo user interface. This phone powered by MediaTek MT6853 Dimensity 800U 5G with dedicated GPU (graphic processor unit) Mali-G57 MC3 for fast graphic rendering.

The screen use Super AMOLED type, 6.43 inches size, Full HD+ resolution at 1080 x 2400 pixels. We can see small punch hole for 16 megapixel front camera. Some users get issues with hardware or software of OPPO RENO5 Z. We will try to give more solutions, reviews and information about how to solve OPPO RENO5 Z (CPH2211) troubles at community.


What are Advantages of OPPO RENO5 Z Specifications and Features?

  • Network GSM 3G HSDPA or 4G LTE + 5G with Dual simcard slot
  • LCD 6.43 inches 20:9 aspect ratio
  • Processor Octa-core 2×2.4 GHz Cortex-A76 & 6×2.0 GHz Cortex-A55
  • GPU Mali-G57 MC3
  • Bluetooth / GPS / Wifi / NFC
  • Memory Internal 128 GB
  • RAM 8 GB
  • Main Camera Quad 48 MP f/1.7 + 8 MP f/2.2 + 2 MP f/2.4 + 2 MP f/2.4
  • Main Camera Features Autofocus, LED flash
  • Front Camera 16 MP for video conference and selfie photography
  • Operating System Android 11
  • Battery Li-Po 4310 mAh



Solution To Fix Camera Issues On OPPO RENO5 Z


How to Fix or Problem Solving for Recovery OPPO RENO5 Z hang or not responding or malfunctions or stuck or freezing or bricked ?

We need to have bigger internal storage for keep many installed apps and games. This phone has 128 GB internal memory capacity. However, we can not use additional storage MicroSDXC because this phone does not have external memory slot. However, we still can install many games and applications from Google Play Store.

There are some new or not famous apps that may contain viruses or malware, please rear several user reviews before install that kind of apps, otherwise our OPPO RENO5 Z will get some troubles like become slowly or 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 RENO5 Z. We are not recommended to install APK from unknown resource for safety reasons.


Easy Solutions To Solve Slowly Performance Issues On OPPO RENO5 Z



How to Force Shutdown or Force Soft Reset or Reboot or Restart OPPO RENO5 Z ?

RAM is use for multitasking performance. This phone has 8 GB RAM. However, sometime installed applications may crash or corrupt. Our OPPO RENO5 Z will not run normally such as 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 RENO5 Z 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 RENO5 Z 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 RENO5 Z ?

We can use USB 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 RENO5 Z 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 RENO5 Z


Please note: These options bellow may not work for some devices because of firmware update version or hardware troubles or some other possibilities.


#Option 1, Hard Reset OPPO RENO5 Z with software menu

  1. Turn on the OPPO RENO5 Z
  2. Make sure the battery is not empty
  3. Backup important data at OPPO RENO5 Z 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 RENO5 Z will do the master reset process.


hard reset oppo reno5 z

#Option 2, Hard Reset OPPO RENO5 Z Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO RENO5 Z 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 RENO5 Z
  2. Make sure the battery OPPO RENO5 Z 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 RENO5 Z will continue master reset, wait for several minutes until OPPO RENO5 Z start like new again.


How to Unlock or Fix or Bypass or Solutions for OPPO RENO5 Z forgot password code or security lock screen pattern or pin (lost password)?

Many installed apps may have important data like chatting history, email and some other files. We also will have several photos videos that taken from quad back side cameras with 48 megapixel for wide + 8 megapixel for 119 degree ultrawide + 2 megapixel for Macro and 2 megapixel for DoF or Bokeh effect. Please secure all data from unauthorized people when OPPO RENO5 Z away from us or lost or stolen.

Under display fingerprint is ready to use. If we get accuracy error, please make sure we are not use thick non standard screen protections or tempered glass. It can make the fingerprint sensor less accurate. Beside fingerprint, we can use 16 megapixel front camera for face unlock recognizing.

After activate fingerprint and face detection, we have to choose secondary protections for backup. Because after OPPO RENO5 Z (CPH2211) reboot or restart, fingerprint and face detection will not work, it will ask secondary protection for activating. However, the problems will start happen when we can not unlock this phone or fingerprint can not work. What should we do?

Don’t worry because we can unlock or bypass forgotten screen lock pattern or password pin protections at OPPO RENO5 Z use registered Google account. But we have to force hard reset or master format using hardware button combination key like steps at #Option 2 above. 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 to Verify your account with previous Google Account. This procedure target is to make sure that this phone is really belong to us.

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, but we have to proof that this is our phone. We also recommended to activate or create OPPO ACCOUNT at OPPO RENO5 Z, 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 RENO5 Z ?

There is no secret hidden code for OPPO RENO5 Z to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at OPPO RENO5 Z ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO RENO5 Z 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 RENO5 Z Stronger, Life Longer and Not Fast to Drain ?

This phone use MediaTek MT6853 Dimensity 800U 5G processor with 7 nm FinFET technology. Having 4310 mAh non removable battery will make this phone work full one day with standard activity. If we use this phone more active, then the battery drain will happen.

Please do some adjustment to make OPPO RENO5 Z (CPH2211) battery work more longer. First, we have to disable all not use connections like GPS or Bluetooth or NFC or Wifi. Second step is make LCD screen brightness as low as possible to save battery life.