hello, had to give the other nokia back to housemate, so my sister has very kindly given me a Mode - 1100 (or RH-18)? IMEI 35153900/423324/5 (or without /'s 351539004233245) Country-Provider- UK Tesco I'd be most grateful since also been given a sony ericsson & shop not sure if they can unlock. Thank you & have a good weekend!!