How to hard reset Samsung Galaxy A21s and enter Recovery Mode, Soft reset, Download Mode and Remove forgotten unlock Pattern. We can do it with 2 ways by pressing combinations of external hardware keys ( hard reset ) and from Settings menu ( soft reset ). Make sure to back up important data. The data can not be recovered after perform a hard reset.
Samsung Galaxy A21s Recovery Mode
- Turn off the device
- Press and hold Volume UP key + Power Key
- When samsung logo appears, release power key only, keep pressing volume up until Android Recovery appears
- Use Volume keys to select Menu
- Use Power key to Confirm
Samsung Galaxy A21s Download Mode or ODIN Mode
- Turn off the device
- Press and hold Volume UP key + Power Key
- When samsung logo appears, release power key only, keep pressing volume up until Android Recovery appears
- Select Reboot to Bootloader
- Use Power key to Confirm
Warning! If you perform a hard reset, make sure to back up important data. The data can not be recovered after perform a hard reset.
Hard reset Samsung Galaxy A21s using External Keys ( remove your forgotten pattern unlock )
- In Recovery Mode, use Volume keys to select wipe data / factory reset
- Press Power key to confirm
- Use Volume keys to select Yes — delete all user data
- Press power key to confirm
- Use Volume keys to select Reboot system now
- Press power key to confirm
Soft reset from Settings Menu
- Turn on the device
- Select Apps
- Select Settings
- Select General Management
- Select Reset
- Select Factory data reset
- Select Reset
If you can not enter Android system normally, you can reset it to factory default ( factory reset ) setting via hardware keys ( hard reset ). If you perform a hard reset, you can not backup your data.