How do you get into htc one (M7) and factory reset if your forgot your passcode?

[Resonablequestions]

So my sister has an android htc one (M7) and i broke my phone so im going to use hers but she forgot the passcode and she wants to delete all of her personal information/details from the phone... How can we get into the phone and factory rest... PLEASE HELP

 

[Titillating]

http/www.tomsguide.com/forum/id-2309361/read-passwords-lock-codes-pin-numbers.html

Contact your service provider. We don't provide assistance in bypassing password securities.