How to hard reset Samsung Galaxy M40 SM-M405F 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.
Recovery Mode Samsung Galaxy M40 SM-M405F
- Turn off the device
- Press and hold Volume UP key + Power Key for a while
- Release all key when Android or Samsung logo appear then you will see Android System Recovery
- Use Volume keys to select Menu
- Use Power key to Confirm
Download Mode or ODIN Mode Samsung Galaxy M40 SM-M405F
- Turn off the device
- Press and hold Volume UP key + Power Key for a while
- Release all key when Android or Samsung logo appear then you will see Android System Recovery
- Select Reboot to Bootloader
- Use Power key to Confirm
Hard reset Samsung Galaxy M40 SM-M405F 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
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. If you forgot your unlock pattern, It will remove your forgotten pattern unlock.
Soft reset from Settings Menu
- Turn on the device
- Select Apps
- Select Settings
- Select General Management
- Select Reset
- Select Factory data reset
- Select Reset
You need perform a factory reset, if the phone hangs, freeze, corrupted file system and selling it.