Carl wrote @Avee8or While they should be, can you confrim all 3 are the same hardware version? @Carl yes. I managed to get them updated. Thanks for your follow up.

I have 3 S4 systems. Two prompted for firmware update to 1.6.1. One has not given update prompt and still has 1.5.1. I tried rebooting the system and still have no message to update firmware. Is...