How to hard reset Oppo A9
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1. Turn on the phone using the POWER button.
2. Now, you need to click at the same time and hold the Volume down and POWER and POWER buttons for a few seconds.
3. Release all keys when recovery mode appears .
4. Select English.
5. Press Wipe Data and Format Data.
6. Press OK to confirm the selection.
7. Once again, press OK.
Hard Reset - advantages and disadvantages Oppo A9?
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 reset the phone to factory settings.
Removal of viruses that interfere with the normal operation of applications and the system.
Solving various problems that arose on the device after installing some applications and did not disappear after uninstalling them.
Disadvantages of Hard Reset:
Permanently deletes all data on the device.
The need to back up contacts, settings and media files.
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.
You can sign out of your google account before resetting. In this case, after performing a factory reset, you can immediately use your device.
In case you have already done a factory reset and cannot remember the login and password for logging into your Google account, for most models there are instructions for bypassing protection (FRP).
Some new phone models may have problems with bypassing the FRP protection and for this you 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:
Synchronize your phone with Google contacts, Google drive.
Create a backup using Titanium Backup or other programs.
With the service programs for your phone, you can transfer contacts, media files, and important data to your PC.
Summary: Smart Phone OS: Android 9.0 (Pie); ColorOS 6; Chipset: Mediatek Helio P70 (12nm); CPU: Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53); GPU: Mali-G72 MP3; Type: IPS LCD capacitive touchscreen, 16M colors; Screen Size: 6.53 inches, 104.7 cm2 (~84.9% screen-to-body ratio); Resolution: 1080 x 2340 pixels, 19.5: 9 ratio (~395 ppi density); Card slot: microSD, up to 256 GB; Internal: 128 GB, 6 GB RAM; Loudspeaker: Yes; 3.5mm jack: Yes; : Active noise cancellation with dedicated mic; WLAN: Yes; Bluetooth: Yes; GPS: Yes, with A-GPS, GLONASS, BDS; NFC: Yes; Radio: FM radio; USB: microUSB 2.0, USB On-The-Go; Sensors: Fingerprint (rear-mounted), accelerometer, proximity, ...
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