[mapex]

I bought the Sony Reader PRS-950 and am using it in Europe. It has a mobile network feature to access the Sony ebook store, but only when connected via US mobile networks. The SIM card slot of the PRS-950 can be opened/accessed easily. The contained SIM card is yellow and says "Oberthur". I replaced this SIM with the European SIM card of my mobile phone.

With my SIM card (with a SIM lock code), the reader says "The Reader cannot connect to a mobile network because it is locked by a PIN or PUK code. Please contact Sony Customer Service".

With my SIM card (without a SIM lock code), the reader says "Cannot connect to a network. Please check the following: 1) The Reader is within a network service area. 2) Confirm that you are using the SIM card provided with your Reader."

I would like to access the internet with browser, and access reader store over mobile network, using my non-US SIM card. Any ideas? Could a future version of PRS+ implement such functionality?