Hi there is a web site called "click here" this site contains almost all the information that you require to update your Tytn to Rom version 6, plus loads of other information.
Go to the Forums and locate the Tytn.
Take time to digest the information which can seem overwhelming at first. But its quite straight forward.
This site also contains links to HTC Roms plus customised roms which can contain bug fixes in addition to other software that can make using the Tytn a pleasure.
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