How to Easily Master Format OPPO RENO4 Z 5G with Safety Hard Reset?

Tips and tricks to fix OPPO RENO4 Z 5G (CPH2065) problems. This is Mediatek smartphone with MediaTek MT6873V Dimensity 800 5G that of course can work with 5G data broadband. We also can use this phone for better games performance because it use dedicated GPU (graphic processor unit) Mali-G57 MC4. Comes with Android 10.0 as factory default operating system together with ColorOS 7.2 Oppo user interface.

The screen use LTPS IPS 6.57 inches width Full HD+ at 1080 x 2400 pixels. At the top right of the screen, we can find dual camera 16 mp + 2 mp with capsule shape and can record up to 1080p at 30fps. Some users get issue when using OPPO RENO4 Z 5G software or hardware. We will try to give some solutions, reviews and information about how to solve OPPO RENO4 Z 5G (CPH2065) troubles at community.

What are Advantages of OPPO RENO4 Z 5G Specifications and Features?

  • Network GSM 3G HSDPA or 4G LTE or 5G with Dual simcard slot
  • LCD 6.57 inches 20:9 aspect ratio
  • Processor Octa-core (4×2.0 GHz Cortex-A76 & 4×2.0 GHz Cortex-A55)
  • GPU Mali-G57 MC4
  • 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 Dual 16 MP + 2 MP for video conference and selfie photography
  • Operating System Android 10.0
  • Battery Li-Po 4000 mAh

Solution To Fix Camera Issues On OPPO RENO4 Z

How to Fix or Problem Solving for Recovery OPPO RENO4 Z 5G hang or not responding or malfunctions or stuck or freezing or bricked ?

All downloaded apps will use internal memory to keep all files and data. This phone has 128 GB without external memory MicroSD. Please only install some important applications because the storage will also use for keep our photos or videos. There are some interesting apps that we can download from Google Play Store like Facebook or WeChat or Whatsapp or TikToks or Zoom and some other more.

We have to know that some bad developers create fake applications or games which may contain viruses or malware that can make our OPPO RENO4 Z 5G (CPH2065) get troubles like become slowly or hang or stuck or broken or frozen or LCD touch screen not responsive. We suggest to read many reviews if we must download that apps. 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 RENO4 Z 5G. 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 RENO4 Z 5G ?

OPPO RENO4 Z 5G (CPH2065) use 8 GB RAM for run several multitasking applications. But sometime installed applications may crash or corrupt. Our OPPO RENO4 Z 5G will run not normal 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 RENO4 Z 5G 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 RENO4 Z 5G 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 RENO4 Z 5G ?

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 RENO4 Z 5G 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.

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 RENO4 Z 5G with software menu

  1. Turn on the OPPO RENO4 Z 5G
  2. Make sure the battery is not empty
  3. Backup important data at OPPO RENO4 Z 5G 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 RENO4 Z 5G will do the master reset process.

hard reset oppo reno4 z 5g

#Option 2, Hard Reset OPPO RENO4 Z 5G Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO RENO4 Z 5G 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 RENO4 Z 5G
  2. Make sure the battery OPPO RENO4 Z 5G 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 RENO4 Z 5G will continue master reset, wait for several minutes until OPPO RENO4 Z 5G start like new again.

How to Unlock or Fix or Bypass or Solutions for OPPO RENO4 Z 5G forgot password code or security lock screen pattern or pin (lost password)?

This phone has four camera at back side body with 48 megapixel for wide + 8 megapixel for ultrawide + double 2 megapixel for macro and DOF. After use several months, we will have many private photos videos. Please secure all important files and applications when OPPO RENO4 Z 5G (CPH2065) away from us or stolen or lost.

We really like to have side mounted fingerprint, because it is easy to access. OPPO RENO4 Z 5G fingerprint is located at side body. Front camera can be use for face unlock recognizing. After register fingerprint and face unlock. We have to choose secondary protection for backup like screen lock pattern or password pin protection. Please note, fingerprint and face detection can not work after OPPO RENO4 Z 5G reboot or restart. We need to unlock using secondary protection. 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 RENO4 Z 5G 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 toVerify 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 RENO4 Z 5G, 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 RENO4 Z 5G ?

There is no secret hidden code for OPPO RENO4 Z 5G to make it back to factory default. Do the options above to hard reset it.

How to Format or Erase Phone Memory at OPPO RENO4 Z 5G ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO RENO4 Z 5G 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 RENO4 Z 5G Stronger, Life Longer and Not Fast to Drain ?

OPPO RENO4 Z 5G battery is 4000 mAh. With 7nm technology at MediaTek MT6873V Dimensity 800 5G processor, we can use this phone full one day without recharge. Some heavy users who playing games several hours continuously will need to do some adjustment to make OPPO RENO4 Z 5G battery work more longer. Please disable all not use connections and make LCD screen not too bright.

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