How to Easily Master Format OPPO R9S with Safety Hard Reset?

Tips and tricks to fix OPPO R9S problems. This phone have 5.5 inches LCD screen to make watching movie and playing games become more fun. The factory default operating system at OPPO R9S is using Android Marshmallow. This phone can work with high speed broadband Internet connection using 4G LTE for GSM and also EVDO for CDMA. The community of will give more review and solutions to solve problems at OPPO R9S.

What is Advantage of OPPO R9S Specifications?

Network GSM 3G HSDPA or with 4G LTE
LCD 5.5 inches
Octa-core 2.0 GHz Cortex-A53
Bluetooth / GPS / Wifi / Fingerprint
Memory Internal 64 GB with 4 GB RAM
External memory 256 GB microSD
Camera Dual 16 MP, f/1.7, phase detection autofocus, LED flash
Front Camera 16 MP, f/2.0 for video conference and selfie photography
Operating System Android Marshmallow version 6.0.1
Battery Li-Ion 3010 mAh

How to Fix or Problem Solving for Recovery OPPO R9S hang or not responding or malfunctions or stuck or freezing or bricked ?

Internal memory of OPPO R9S is 64 GB storage. It is very big for Android smartphone when the time we make this information. We will not get totally 64 GB free storage, but some of them will also use for operating system and factory default applications which are already installed at OPPO R9S when the first time we use this phone. However we still can install many interesting applications whether paid or free from Google Play Store like Instagram, Facebook, Whatsapp, Line Messenger, WeChat, Skype, Viber, Snapchat, Blackberry Messenger (BBM) and many more. But please read carefully all user review before install new applications, because some of them may contain viruses or malware that can make our OPPO R9S hang or stuck or bricks or frozen or LCD touch screen not responsive or not responding. At this time, we have to try doing reboot or soft reset for clean temporary files and caches. After our OPPO R9S can boot and start again, then try to install one good antivirus like AVAST, to scan all installed applications, if suspected apps found, then antivirus application will give warning. If the problems still happen, then we have to do hard reset or master format. Please note, doing hard reset will remove or erase all important data, therefore we have to backup all data first before doing master format. Doing hard reset also remove all Google account from OPPO R9S.

How to Force Shutdown or Force Soft Reset or Reboot or Restart OPPO R9S ?

Not normal OPPO R9S make this phone work slowly or hang or LCD touch screen not responsive with our finger touch. What should we do? We have to try force soft reset or reboot to clean temporary files and restart all running applications. Please press and hold POWER button until OPPO R9S shutdown or turn off by itself. This process will not remove any important data, therefore we can do this process anytime we want. If our OPPO R9S still can boot normally, but we want to clear temporary files and caches then we can press and hold POWER button until pop-up menu appear, then choose Shutdown / Power off / Reboot menu.

How to backup data or Contact at OPPO R9S?

We can use microSD external card to copy or move important files using File Manager applications. If our OPPO R9S 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, when we want to use microSD external card, then we have to use simcard slot number 2. Therefore we only can activate one simcard when we use microSD external storage.

#Option 1, Hard Reset OPPO R9S with software menu

  1. Turn on the OPPO R9S
  2. Make sure the battery is not empty
  3. Backup important data at OPPO R9S 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 R9S will do the master reset process.

hard reset oppo r9s

#Option 2, Hard Reset OPPO R9S Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO R9S 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 R9S
  2. Make sure the battery OPPO R9S 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 R9S will continue master reset, wait for several minutes until OPPO R9S start like new again.

How to Restore and Reinstall Clean Android Operating system / firmware at OPPO R9S (Reformat) ?

When we use OPPO R9S from beginning, the Android Marshmallow operating system is already installed. But because OPPO R9S have big internal memory, then we will easily install many applications from Google Play Store or from other App Store or offline APK files. The problems start happen when some apps crash and make OPPO R9S operating system damage, then OPPO R9S will act not normal. We have to reinstall or reformat OPPO R9S with factory default operating system. First we have to know, that clean factory default Android operating system already saved safely inside OPPO R9S ROM. Therefore we do not need to copy or connect with other device. Just follow simple steps to hard reset above, then clean factory default Android operating system will be reinstall automatically at OPPO R9S.

How to Unlock or Fix or Bypass or Solutions for OPPO R9S forgot password code or security lock screen pattern or pin (lost password)?

Fingerprint is very important to unlock faster OPPO R9S. The location of fingerprint is at front home button. The 16 megapixel main camera with big sensor will give good photo result. This is also happen at front camera which have also 16 megapixel for wonderful selfie photography. We will have many private pictures or video recording inside OPPO R9S. Therefore we have to give security protections to secure our important data while OPPO R9S away from us or stolen or lost. The problems happen when we can not access or can not open OPPO R9S locked phone. What should we do? Do not worry, because we can bypass or unlock forgot security screen lock pattern or password pin protections using Google account. Please turn ON this phone, when it ask for security answer, we have to try type several time wrong answer continuously until our OPPO R9S locked or freezing about 30 seconds, at this time we can find Forgot Password / Pattern button. Press this button to type our Gmail username and password that we have already signed in before. If we can not access our Gmail account, then we have to do hard reset using hardware button combination key.

How to Improve Performance OPPO R9S to make run more faster?

The processor that use at OPPO R9S is Qualcomm MSM8953 Snapdragon 625 with Octa-core 2.0 GHz Cortex-A53 clock speed. It can make all applications run fast without problems. Playing 3D HD Games also run without lag because OPPO R9S have dedicated GPU (graphic processor unit) Adreno 506. But why some users get slowly trouble at OPPO R9S? Usually because applications trouble. We have to know that some applications that we install from Google Play Store will keep run in the background to wait data update, like social media or chatting or games. If many of that applications run together, then our OPPO R9S RAM and processor resources will become insufficient and make this phone run slowly. The RAM of OPPO R9S is 4 GB RAM, but still some bad applications or many applications can make OPPO R9S RAM and processor resources become insufficient. We have to uninstall some not use applications. If we want to make our OPPO R9S run faster again like new, then please consider to do hard reset or master format.

Is That Any Secret Code for Doing Format OPPO R9S ?

There is no secret hidden code for OPPO R9S to make it back to factory default. Do the options above to hard reset it.

How to Format or Erase Phone Memory at OPPO R9S ?

There are two phone memory type at OPPO R9S, one is internal memory and the other one is external memory. If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO R9S 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 Upgrade OPPO R9S to Android Nougat Update?

When the time we make this information, there are no Android Nougat version 7 for OPPO R9S. However, this phone already use good performance Android Marshmallow.

How to Make Battery of OPPO R9S Stronger, Life Longer and Not Fast to Drain ?

With 4 GB RAM we can do almost anything at OPPO R9S like watch movie or playing games or doing some work. Battery is very important to make our activity can work longer before battery empty. OPPO R9S have 3010 mAh battery capacity which is enough for some users to run fully one day without recharge. But if we are heavy users, then maybe we have to do some adjustment when we want to play games or watch video for several hours. First try to make LCD screen brightness as low as possible. We also have to disable all not use connections like GPS or Wifi or Bluetooth, because all connections will consume battery power for standby. If we want to use GPS for camera or some other applications, then please activate battery saving GPS from menu Setting > Location > Battery saving (turn off High accuracy).

4 thoughts on “How to Easily Master Format OPPO R9S with Safety Hard Reset?”

    • Hi, please try to do hard reset using hardware button combination key. Some troubles can be fix by this procedure. But if the firmware update happen and stuck in the middle of process, then some other troubles may happen. At this time you should consult with Oppo authorized service center.

    • Hi, the hard reset will work if there are no other hardware troubles. If you can not force hard reset using hardware button combination key at OPPO R9S, then maybe some other troubles happen. You should try to do further check at Oppo authorized service center.


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