Name: Samsung Galaxy M21
Brand: Samsung
Price: 190 EUR

Question 1

What is the screen size of the Samsung Galaxy M21?

Accepted Answer

6.4 inches

Question 2

What type of processor does the Samsung Galaxy M21 have?

Accepted Answer

Exynos 9611

Question 3

How to reset or factory restore Samsung Galaxy M21 device?

Accepted Answer

There are various ways to reset or factory restore a Samsung Galaxy M21 device. Here are the most common and recommended methods:

1. Using the Home button and Volume up button

- Turn off the Galaxy M21.
- Press and hold the Home button and the Volume up button at the same time.
- Continue holding the buttons until the Samsung logo appears on the screen.
- Release both buttons.
- If you are prompted, select "YES – erase all user data/factory data" and then press "OK".
- Wait for the reset process to complete. It can take a few minutes to finish.
- After the factory data has been erased, you can set up your Galaxy M21 from scratch.

2. Using the USB Debugging mode and computer

- Connect your Galaxy M21 to your computer using a USB cable.
- Open a command prompt window and navigate to the directory where the Samsung USB driver is installed.
- Type "adb devices" and hit Enter to check if the phone is recognized by the computer.
- If recognized, enter the following command and hit Enter: "adb reboot bootloader".
- Reboot the phone and press the Home key and Volume down button at the same time.
- Continue holding the buttons until the Samsung logo appears on the screen.
- Release both buttons.
- If you are prompted, select "YES – erase all user data/factory data" and then press "OK".
- Wait for the reset process to complete. It can take a few minutes to finish.
- After the factory data has been erased, you can set up your Galaxy M21 from scratch.

3. Using the recovery mode

- Turn off the Galaxy M21.
- Press and hold the Home button, Volume up button, and the Power key at the same time.
- Continue holding the buttons until the Samsung logo appears on the screen.
- Release both buttons.
- If you are prompted to enter your pin, enter it and press "OK".
- Select "Wipe data/factory data" and then select "Yes – erase all user data".
- Wait for the reset process to complete. It can take a few minutes to finish.
- After the factory data has been erased, you can set up your Galaxy M21 from scratch.

Note: These methods are recommended as they have been tried and tested by many users and confirmed to work. However, be careful while using these methods as they can erase all data on your Galaxy M21, including phone numbers, text messages, photos, and settings. Make sure to back up all important data before using any of these methods.

Question 4

What is the battery capacity of the Samsung Galaxy M21?

Accepted Answer

6000 mAh

Technology	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands	HSDPA 850 / 900 / 1900 / 2100
4G bands	1, 3, 5, 7, 8, 20, 38, 40, 41
Speed	HSPA, LTE-A

Announced	2020, March 18
Status	Available. Released 2020, March 23

Dimensions	159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)
Weight	188 g (6.63 oz)
Build	Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM	Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

Type	Super AMOLED, 420 nits (peak)
Size	6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
Resolution	1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection	Corning Gorilla Glass 3

OS	Android 10, upgradable to Android 11, One UI 3.1 Core
Chipset	Exynos 9611 (10nm)
CPU	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU	Mali-G72 MP3

Samsung Galaxy M21