About Phone(Very Urgent Help Plz)

Hey everybody My friend gave me his anroid 4.4.2 and he forgot his pattern and I took his phone to data reset it so I can remove lock screen I tried everything but when I press volume + and power button it says like this:

MMI test

1.Full Test

2.Item Test

3.Test Info

4.Reset

and when I press Reset then Factory data reset comes then there is reset phone and again pattern comes up by saying Confirm your pattern and I am doing to remove that pattern.hope you understand my problem. plz give me good help.thank you.