I receive my M600i in 2 days and in the UK using T-mobile.
As part of what i do for a living i have the ability to flash my m600i to any version and can test configurations etc, i can also offer a remote service for anyone else to do this using your dcu 60 cable. (if of any interest pm me as i dont want to be seen to be advertising
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Ill do some testing tuesday and hopefully try to get access to the current SE files for BB connect