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Hi guys,
When I run the GPS, I get the error:
SL_REQ is rejected due to DUT is under romaing

There is this (i think bug) where I must have roaming on for mobile data to work, Could this have something to do with this?
Of course nothing happens after the error, no lock, no nothing.
Thanks!

Is this on the iOcean X7S? Has it ever worked properly?

Have a look at this [Only registered and activated users can see links Click here to register].
Your gps is probably trying to update its a-gps tables through the internet which is why it needs a data connection. You could try this with wifi to see if it does and than try to get a fix.