Tips and tricks to fix OPPO RENO Z (PCDM10 / CPH1979) problems. This is Android smartphone which use Mediatek MT6779 Helio P90 processor with 64 bit 12 nm technology. We can play many 3D HD games without troubles because it have dedicated GPU PowerVR GM9446. The screen size is 6.4 inches with Full HD+ 1080 x 2340 pixels resolutions and protected with Corning Gorilla Glass 5. The first operating system release is use Android Pie 9.0 with Oppo user interface ColorOS 6. All OPPO RENO Z (PCDM10 / CPH1979) version have dual simcard slot but the simcard is not hybrid, therefore we can not use external microSD card since OPPO RENO Z does not have dedicated external memory card. Find review and information about how to solve troubles of OPPO RENO Z (PCDM10 / CPH1979) at www.hard-reset.org community.

 

What is Advantage of OPPO RENO Z Specifications?

Network GSM 3G HSDPA or with 4G LTE Dual simcard
LCD 6.4 inches 19.5:9 aspect ratio
Processor Octa-core 2 x 2.2 GHz Cortex-A75 & 6 x 2.0 GHz Cortex-A55
Bluetooth / GPS / Wifi
Memory Internal 128
RAM Option 4 GB or 6 GB
China Version have other option 256 GB with 6 GB RAM
GPU PowerVR GM9446
Main Camera Dual 48 MP f/1.7 + 2 MP f/2.4 autofocus, LED flash
Front Camera 32 MP for video conference and selfie photography
Operating System Android Pie 9.0
Battery Li-Po 4035 mAh

 

 

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

This phone comes with good processor from Helio P90 with 12 nm battery technology it work maximum with 2.2 Ghz Cortex A75 processor for heavy usage. Oppo release this phone with 128 GB internal memory and we can choose to buy 4 GB RAM or 8 GB RAM. However, Oppo also release OPPO RENO Z China version with 128 GB and 256 GB internal memory and the options for RAM start from 6 GB and 8 GB.

The internal memory is use to keep all installed apps, because OPPO RENO Z (PCDM10 / CPH1979) does not have external memory, then all photos videos also have to keep at same internal memory. When the first time use, we still have many free storage for install interesting applications from Google Play Store like WeChat, Viber, Facebook, Telegram, Instagram, Whatsapp, Line Messenger, Snapchat, Skype, and some other more. But there are some bad apps inside Google Play Store which may contain viruses or malware from bad developers. If we install that apps, then our OPPO RENO Z (PCDM10 / CPH1979) can get some troubles like hang or stuck or broken or frozen or LCD touch screen not responsive. Usually these troubles availabe at new or not famous apps. We suggest to read as many users review as possible before download. 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 RENO Z. 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 Z ?

OPPO RENO Z (PCDM10 / CPH1979) have enough RAM for run many multitasking applications, but some installed apps may crash or corrupt that make some problems like 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 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 RENO 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 RENO Z ?

Please note that OPPO RENO Z (PCDM10 / CPH1979) does not have external memory MicroSD simcard slot. We can not copy important data to external memory, but we still can connect this phone to computer MTP using USB data cable, and use computer file file manager to browse OPPO RENO Z internal memory and copy important files to our computer.

If our OPPO RENO 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.

 

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

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

 

hard reset oppo reno z

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

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

 

 

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

AS we know that OPPO RENO Z (PCDM10 / CPH1979) have big internal memory, all data or photos videos also keep inside it. This phone have good selfie front camera and rear camera. We have to secure all data from unauthorized people when OPPO RENO Z away from us or lost or stolen. Fingerprint is located under display, therefore we will not find any fingerprint sensor at back side of body. We also can use Face ID unlock recognizing. After register our fingerprint, we have to choose backup protections such as screen lock pattern or password pin protections. 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 RENO Z 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 RENO Z ?

There is no secret hidden code for OPPO RENO 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 RENO Z ?

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

OPPO RENO Z (PCDM10 / CPH1979) battery is 4035 mAh with non removable type. Therefore we can not replace with other battery capacity. If the battery life is end, then please ask Oppo authorized service center for replace with new original battery. Some heavy users need to make their OPPO RENO Z work more longer, then we suggest to do some adjustment like make LCD screen brightness as low as possible and disable all not use connections like GPS or NFC or Bluetooth or Wifi.