How to hard reset Samsung Galaxy M21
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1. Press Volume Down(-) and POWER> for a few seconds.
2. When the screen darkened, press the Volume Up(+) button.
3. When the SAMSUNG GALAXY logo appears, release all the buttons.
4. Use the Volume Up(+)/Down(-) buttons to select the menu item wipe data / factory reset and press the POWER button to confirm the selection.
5. Select the menu item Yes and confirm the selection using the POWER button.
6. Select the menu item reboot system now and confirm the selection using the POWER button.
Hard Reset - advantages and disadvantages Samsung Galaxy M21?
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.
Remove viruses and malware that block applications on the device.
You will be able to solve various problems on the device, for example, with bluetooth or other applications.
Disadvantages of Hard Reset:
All your data stored in the phone will be permanently deleted.
The need to have a backup.
After returning to factory settings, some viruses may remain in the phone.
What needs to be done before the Hard Reset operation.
In order to use the phone after a hard reset and it is not blocked by the FRP, make sure that 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 hard reset you cannot remember the login password to enter your Google account, then you need to use the 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 important information remains in the memory of your phone, then there are the following options to save it:
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: Operating system: Android 10, One UI 2; Processor: Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53); Chipset: Exynos 9611 (10nm); GPU: Mali-G72 MP3; Internal memory: 64GB 4GB RAM, 128GB 6GB RAM; External memory: microSDXC (dedicated slot); Type: Super AMOLED capacitive touchscreen, 16M colors; Size: 6.4 inches, 100.5 cm 2; Resolution: 1080 x 2340 pixels, 19.5:9 ratio; Protection: Corning Gorilla Glass 3; Body build: Glass front (Gorilla Glass 3), plastic back, plastic frame; SIM: Dual SIM (Nano-SIM, dual stand-by); Dimensions: 159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in); Weight: 188 g (6.63 oz); Colors: Midnight Blue, Raven Black; 2G Network: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM ...
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