I have just checked and my firmware is the latest available from Icom.
I have not had to update it since I bought it.
I purchased it new in January it came with the latest.
Which is now 8 years old though.
The CPU is M 1.11 / S 1.00 / C 1.10 and the DSP is I 1.03 / D 1.00
73,
Frank W4FRR