Currently supported USSR devices:

K1601RR3, K1609RR1, K1609RR2, K1609RR3, K1620RF2, K1620RR2, K1624RR1, K1624RR2, K1624RR3, K1626RF1, K1626RF2, K1626RF3, K558RR2, K573RF1, K573RF10, K573RF2, K573RF21, K573RF22, K573RF23, K573RF24, K573RF4, K573RF41, K573RF42, K573RF43, K573RF44, K573RF4A, K573RF4B, K573RF5, K573RF6, K573RF6A, K573RF6B, K573RF7, K573RF8, K573RF9, KS573RF2