To enter recovery mode or hard reset in XOLO A500 :
- Switch off your device
- Now press and hold volume up button and power button for 10 seconds
- Now you can see the android logo will be appeared in the screen followed by Reset options
- Use Volume up and down key to navigate the reset option
- Use power key to select the desired option like Wipe data , Restore to default settings etc
Note that wiping the data or choosing hard reset will erase the data in phone memory.So, it is recommended to take backup before making hard reset or restore to default settings.