Firmware Update for EC21EUX

Hello,

I would like to request a firmware update for the EC21EUX module
On the metal housing is printed:
EC21EUXGR-128-SGNS

the following at-command tells:
AT+QGMR
EC21EUXGAR08A04M1G_20.002.20.002

thanks in advance
martin

it is the latest firmware version currently