my phone is locked and is asking my username and password which i have forgotten pls help me

[shubh pareek]

my brother attempted many wrong patterns and it is asking my username and password which i have forgotten

 

[Saga Lout]

You need to take the phone back to factory settings. If there is no reset button buried in a tiny hole on the case, try turning off the phone by pressing the Volume + and Off buttons at the same time.