mdc1003@nospam.cam.ac.uk declared for all the world to hear...
> See http://www.nokia.co.uk/softwareupdate for more info.
>
> However, I've just tried to update my E70 and the computer lost
> connection with the phone near the end of the update, at which point the
> screen had 'test' and other such words in different sizes of writing.
> The computer said to remove the battery, which I did, but on replacing
> it the phone no longer works and continually reboots itself (the word
> NOKIA appears, then flashes, then it looks like it reboots).
>
> And whilst reading this, this error has just appeared on the computer
> screen:
>
> "Nokia Service Layer Host Process has encountered a problem and needs to
> close"
>
> Use the update at your peril. If anyone from Nokia is reading this,
> perhaps they would like to suggest what I should do now? You can remove
> nospam from my e-mail address to make it work.

Try it again or take it to a service centre to be re-flashed.
--
Regards
Jon