My xperia x10 USB port is broken on my phone. Can I still get the update??

[#1]

My phone charging port is broken. I have been unable to charge the phone and connect it to the pc. Can anyone advise if it is possible to still get the update. I have taken the phone to a few places to see if the port can be fixed but no one is guranteeing they can fix the com port

[#2]

I don't believe that you can as the phone needs to be in it's service mode to do the official update and that requires a USB connection - surely your phone is under warranty