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DC-Locker successfully unlocked this Austrian A1 dongle about a year ago. There is just one problem and that is that when I put a SIM card in it the device overwrites the SMS Message Centre number on the SIM with the A1 Message Centre in Austria. I have tried to change that number but as the A1 number is greyed out I am unable to do so. I think that this must be due to the software on the dongle. Is there any way I can stop this happening? It has happened in Sri Lanka, Malta and the Philippines!