To enter Android Recovery Mode, you should follow the below steps as mentioned:
1. Shut down your Samsung device completely by pressing power button or reinstalling battery.
2. Press and hold Power key, Volume Up button and Home button at the same time. Release them when you see the Samsung logo
3. Wait for a while after the Android robot icon disappearing. Then you will see the Android system recovery menu where you can choose to reboot system, wipe cache partition, apply update and other options.
That’s it…
NOTE– The above steps are for Samsung devices