Unlock pattern

[SamerYasser]

i have made a pattern on my sony xperia l and i forgot it now i need to unlock the phone and the phone not responding for the hardreset by hardware buttons and not even on the Sony update servce when i press and hold voulme down key while connect the USB to the phone nothing happen nothing not even a light and i have tried the codes like *#*#7378423#*#*

and the same nothing happen 

the phone is C2105 with JB andoroid system Version 4.2.2

What could i do guys ????

[_alexdon_]

Download SUS:

http://www.sonymobile.com/gb/tools/update-service/

Turn off the device,connect when SUS asks and repair.

[Medi4ch]

I have the same problem too, i tried SUS,pc companion,hardware button,flash tool and lotta other ways but i couldn't factory reset my phone; can some one help me plz?

[_alexdon_]

See this:

/t5/FAQ/How-to-unlock-a-phone-w-o-reseting-reformating-the-phone/m-p/927295#U927295