Samsung Galaxy A21s
If your smartphone Samsung Galaxy A21s it works very slow, it hangs, you want to bypass screen lock or you have a full memory and you want to erase everything or you want to sell it or give it away and you want nobody to be able to access your files and passwords you can do a factory reset so that it returns to be like the first day.
In the following steps we explain how to format the Samsung Galaxy A21s to erase all your information and make it totally clean as it came out of the store.
You must bear in mind that a reset or return to the factory state in a mobile deletes all its content so you must make a backup of your data before doing it if you do not want to lose everything.
There are two ways to do a reset on a Samsung Galaxy A21s one through the mobile options and another more complete from the recovery mode.
If you want to make a reset using the device options to return to the factory state a Samsung Galaxy A21s you have to follow these simple steps:
1- First step:
Access the settings menu of your device Samsung SM-A217F, SM-A217F/DS, this is the cogwheel icon.
2- Second step:
Scroll down the Samsung Galaxy A21s settings to the bottom where you will see the section called "System", click to continue.
3- Third step:
If you see a section called "Advanced" click to display the advanced options of the Samsung Galaxy A21s.
4- Fourth step:
Click on "Reset options" from this section it will allow us to restore network options, applications or reset the Samsung Galaxy A21s completely.
5- Fifth step:
Click on the last option called "Erase all data (factory reset)" or simply "Factory data reset".
6- Sixth step:
A first confirmation message will appear reminding you that all your data will be deleted from this device, the data you have uploaded to Google, Facebook, Twitter, Instagram or backup copies that you have in the cloud, such as Google Drive, Dropbox or One Drive, will not be deleted. Press "Reset phone".
7- Seventh step:
A second confirmation message will appear indicating that all information stored on the Samsung Galaxy A21s and all downloaded applications will be erased and reminding that this action cannot be undone. If you agree, click on "Erase Everyting".
8- Eighth step:
If necessary, draw the screen unlock pattern or enter the screen unlock password or PIN to continue.
9- Nineth step:
Your device Galaxy A21s from Samsung it will restart and take several minutes to start while restoring the device to its factory state and optimizing the applications pre-installed in the opperative system Android 10, One UI 2.0.
Restore with hard reset or Recovery mode your Samsung Galaxy A21s can solve problems that have not been solved with a normal factory reset.
1- First turn off your Samsung Galaxy A21s completely. If you can not unlock the screen, press and hold the power button for about 20 seconds and the phone will turn off.
2- Keep holding on volume down and power keys together for a few seconds in your Samsung Galaxy A21s. In some devices according to the Android version the combination can be the power key and the volume key up.
3- When the Samsung logo is displayed, release the buttons.
4- Move through the menu with the volume up and volume down keys until you reach the "Recovery Mode" option and press the power button to access.
If the device menu appears in Chinese characters, click here to see how to reset a mobile in Chinese
5- Use the volume up and volume down keys to select the "wipe cache partition" option and press the Power button to activate the option and clear the mobile cache.
6- After a few seconds you will return to the previous screen, with the volume buttons go to the option "wipe data / factory reset" and press the power button to enter. A screen with many NOs and a YES will appear, with the volume keys again go to the YES and press with the power key.
7- After finishing again with the volume keys, click on "reboot system now" and press the power key of your Samsung Galaxy A21s, the device will reboot and take several minutes to start while restoring the device to its factory state and optimizing the applications pre-installed in the system Android 10, One UI 2.0.
About the device:
Samsung Galaxy A21s is a device with a dimensions of 163.6 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in), a weight of 192 grams, a screen resolution of 6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio).
It has a processor Octa-core (4x2.0 GHz & 4x2.0 GHz) and an internal memory of 32GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM.
The Samsung Galaxy A21s it comes from the factory with the operating system Android 10, One UI 2.0
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