Update Wildfire to 2.2 on unlocked phone

[sphelps]

I have a Wildfire which was on Vodafone UK, but had it unlocked so that I can use my Virgin SIM card.

My question is how do I get it updated to froyo as it still mentions Vodafone

Any help appreciated

Details are

Brand
VODAFONE_UK
Firmware Version
2.1-update1
Baseband Version
2.6.29-6fb59e13
Build Number
1.26.161.3 CL231296 release-keys
Software Number
1.26.161.3

[waqararif]

any one help me in same regard