How to hard reset Oppo F9
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1. Turn off the phone with the POWER button.
2. For a few seconds, simultaneously press Volume down and the POWER button.
3. Release all buttons when the OPPO logo appears.
4. Select english using the Volume Up(+)/Down(-) keys to go and the POWER button to select.
5. Select twice Wipe Data and cache using the Volume Up(+)/Down(-) keys to go to go and POWER button to select.
6. Press ok.
7. Select reboot and press ok.
Hard Reset - advantages and disadvantages Oppo F9?
In simple words, Hard Reset means hard resetting the phone. As a result, the system automatically returns to the factory settings and the system is completely cleared. Contacts, correspondence, application, files, search queries, passwords - all of this is deleted from the device's memory.Benefits of Hard Reset:
The ability to get a completely clean phone from user settings and data.
Removal of viruses that interfere with the normal operation of applications and the system.
Solving problems that have arisen on the device, for example, between the camera and other applications.
Disadvantages of Hard Reset:
All data and applications will be permanently deleted.
The need to back up contacts and all user data.
In some cases, it is impossible to remove all viruses from Android, even after a hard reset.
What needs to be done before the Hard Reset operation.
So that after a hard reset you can use your phone, make sure you know the login / password to your google account.
So that, after performing a factory reset, you do not need to remember the login password for the google account, you can log out of the google account before the hard reset.
If after a hard reset you cannot remember the login and password for entering your Google account, then you need to find instructions on bypassing the FRP blocking.
Not all owners of new phone models will be able to bypass the protection of the FRP and for this they will need to contact the official service center.
After performing a hard reset, your device will be completely wiped clean. Everything that was in the memory of your device will be deleted.
What can be done to avoid losing important information?
If personal data (contacts, photos, videos) remains in the memory of your phone, then they can be saved in several ways:
Sync your data with Google contacts, Google drive.
Using the Titanium Backup program, create a backup.
Transfer contacts, media files and important data to your PC using service programs for your smartphone model.
Summary: Quick charging: Yes; Operating system: Android v8.1 (Oreo); Sim slots: Dual SIM, GSM GSM; Custom ui: ColorOS; Sim size: SIM1: Nano SIM2: Nano; Network: 4G: Available 3G: Available, 2G: Available; Fingerprint sensor: Yes; Display type: IPS LCD; Aspect ratio: 19.5: 9; Screen to body ratio: 83.84 %; Pixel density: 409 ppi; Screen protection: Corning Gorilla Glass v6; Screen size: 6.3 inches (16 cm); Screen resolution: 1080 x 2340 pixels; Touch screen: Yes Capacitive Touchscreen, Multi-touch; Loudspeaker: Yes; Fm radio: Yes; Audio jack: 3.5 mm; Settings: Exposure compensation, ISO control; Camera features: Wide Angle Selfie; Image resolution: 4616 x 3464 Pixels; Sensor: ...
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