Forgotten security password

[AbhiRavi]

Hi ,

I have a xperia m . i have forgotten my security password so i am not able to change the settings of my mobile.I tried updating the software but it dint work out..

suggest me a way out..

thank u 

[Uliwooly]

Either

MyXperia

https://myxperia.sonymobile.com/

or

Google Device Manager

https://www.google.com/android/devicemanager?hl=en

or

Update Service (SUS)