Symphony Xplorer E10 Hard Reset Using Key

This Hard Reset Solution By Hard Reset Key  
Turn Off Your phone
This Hard Reset Solution By Hard Reset Key  
Press and Hold Power Key + Volume(+) Up Key .   
This Hard Reset Solution By Hard Reset Key  
Then Come Android Recovery Menu Release All Key. 
This Hard Reset Solution By Hard Reset Key  
Select wipe data/factory reset ( Using Volume Key).
This Hard Reset Solution By Hard Reset Key  
Press Power key.      
This Hard Reset Solution By Hard Reset Key  
Select yes----delete all user data (Your All Data Deleted).
This Hard Reset Solution By Hard Reset Key  
Press Power Key.      Wait Few Seconds    
This Hard Reset Solution By Hard Reset Key  
Select reboot system now.      
This Hard Reset Solution By Hard Reset Key  
Press Power Key.

Your Smartphone Rebooted and OK
This Hard Reset Solution By Hard Reset Key  
This Hard Reset Solution By Hard Reset Key  
This Hard Reset Solution By Hard Reset Key