How to enter Download mode on smartphone or tablet? How to open Download mode on SAMSUNG Galaxy A21s? How to boot Download mode on SAMSUNG device? How to exit Download mode? How to quit Download mode?
All you need to know about the mode on SAMSUNG Galaxy A21s you can check in the following Download mode instruction.
Download mode, commonly used for flashing a custom firmware, install applications packages, flash a custom recovery, install custom kernel or flash the stock firmware.
Download mode helps to customize software on SAMSUNG Galaxy A21s, update the system version or upload program that can not be installed by using the apps market.
To correctly activate Download mode, you need to have a PC or laptop and a USB cable that will fit your SAMSUNG device.
Download mode is hidden and advanced function. By using this secret menu you can also read a couple of useful information like FRP status, model details or system data. When the SAMSUNG Galaxy A21s will access the Download mode, the system will use the external sources instead of the stock bootloader, so as a result you will be able to replace the ROM in that mode. That’s why it's also used in root process.
By using the Download mode, you can install OS updates, custom recovery and ROM, upload applications, check a few specific information about SAMSUNG Galaxy A21s and flash the factory firmware.
If you need to leave Download mode, hold down at the same time the Power button and the Volume Down until the screen lights off. Your SAMSUNG Galaxy A21s will be rebooted into the normal mode.
Download mode can help you to upload a many useful files. You can install customized recovery and firmware as well. But be carefully when you choose apps or another software before flash it. In some cases, this can critically damage the SAMSUNG Galaxy A21s. Check for viruses and device compatibility to successfully use Download mode benefits.
