can you update a jailbroken phone?

[a-ram22]

hey everyone fyi i am a noob. im about to buy an unlocked jailbroken phone for tmobile and i definatly want to get the 3.0 update? should i not buy a jailbroken phone? and simply buy just an unlocked one? any help would be appreciated...

 

[Jeremy]

Regardless of what you purchase now as soon as your apply the new software update you will wipe the jailbreak and unlock all together.