Sophos license partners in Nigeria, firmware update issues

Good Morning professionals,

Please i need a suggestion for a Sophos reputable partners in Nigeria. i want to renew my license.

Secondly I'm having issues picking firmware update i couldn't install the update please i need assistance on how to go about it.

Thank you

Added v19.1 TAG
[edited by: Erick Jan at 4:17 AM (GMT -8) on 8 Dec 2022]