*#06# IMEI
0124 master code (standart phone code)
0718#(*)-hold menu (ST11, SC10, V100 without SIM)
4268#(*)-hold show code (ST11, SC10 without SIM)
*789(#)-hold menu (V50, V500, V300, RX100 without SIM)
0178*# держать 3 секунды Service menu