1. To start, turn off the phone with the POWER button.
2. Press and hold the Volume Up(+) and POWER key simultaneously for a few seconds.
3. Now, release the retained buttons when you see the Android logo.
4. Use the Volume Up(+)/Down(-) buttons to select the menu item wipe data / factory reset and press the POWER button to confirm.
5. You need to confirm the reset operation, select Yes and confirm the POWER button.
6. Select reboot system now and confirm the selection using the POWER button.
Hard Reset - advantages and disadvantages Doogee F3?
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, thereby improving its performance. Removal of viruses that interfere with the normal operation of applications and the system. You will be able to solve various problems on the device, for example, with bluetooth or other applications.
Disadvantages of Hard Reset:
All your contacts, data and media files will be deleted. The need to have a backup. 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 need to log out of your google account before resetting. In this case, after performing a factory reset, the phone will not ask for any logins and passwords and you can immediately use your phone. If, after a factory reset, the phone is locked because you cannot log into your Google account, then you need to find instructions for bypassing the FRP lock for your phone model. Not all modern phone models can bypass this protection, their owners will have to contact an 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. 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: 2G Network: GSM 850 / 900 / 1800 / 1900; 3G Network: HSDPA 900 / 1900 / 2100; 4G Network: Yes; SIM: Dual mini SIM; Dimensions: 143 x 69.5 x 6.5 mm; Keyboard: Touchscreen; Colors: White, Black; Cover: Aluminum, Bamboo; Type: IPS capacitive touchscreen with 16,000,000 colors; Screen Size: 5.0 inches, 1080 x 1920 pixels, 441 pixels per inch (PPI); Card slot: MicroSD card, up to 64GB; Internal: 16GB; Operating System: Android 5.1 Lollipop; Processors: 1.5GHz octa-core Cortex-A53 CPU, MediaTek MT6753 chipset, Mali-T760 MP4 GPU; RAM: 1GB, 2GB, 3GB and 4GB options; Alert types: Vibration, MP3 ringtones; Loudspeaker: Yes; Audio port: 3.5mm jack; 2G: GPRS - up to 85.6 kbps; EDGE - u ...
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