Can i trun the Boot 08.29 into 08.26 ?

[你说的爱情]

hello.everyone！;)
I am from china,and my English is soso? I have a question:

My razr V3 boot is 08.29.but i want turn it into 08.26. how could i do?

thank you very much!:y:

[你说的爱情]

你 means :you
说的means:say
爱情means:love
你说的爱情means:the love you say!