How do I get my stock softkeys back on my Xperia Z?

[vishwas777]

how to get my stock softkeys back of xperia z ?

my phone is xperia z and i rooted my phone recently and after that i found an app called softkeyZ and it said i can change the colour and other things relating to softkeys and i selected one pack of softskin and clicked apply and boom.... it got restarted and now there is no softkeys in my phone at all... and cant access notification bar also and also cant see the top bar where signals and battery are showed and unfortunately i havent backedup my stock softkeys ...and im running on stock xperia z 4.4.4 ... i havent flashed any roms yet ....and havent backedup anything pleasee helppp