Just got the latest version of PC Studio and see it's got a software updater facility now, has anyone used this yet?
It tells me I am on I8510XXHH7 but the latest version is I8510XXJ3....
Updating phone via PC Studio
Yes it will update your phone to the latest firmware. If you do a search in this forum for firmware or upgrade I'm sure you'll find plenty to assist you.
Good luck.