text: <s>[INST] Flash the PF400 to latest firmware Customer requested to flash PF400 to latest firmware and we do not have AK-U9-FSLH1 Serial Flash Module. As know that AK-U9-FSLH1 kit no longer sales. Any other alternative method to perform PF400 Flash?? Can we use 1203-USB to perform PF400 Flash?? [/INST] Welcome to the Forum ! Please contact local Rockwell Automation office to get a field service engineer to perform the firmware upgrade on site, or send the drive back to Rockwell Automation for firmware upgrading. - fuzzy logic In order to enhance the reputation of the Forum's contributors, please rate the replies you got and remember to close the thread clicking Choose as Best Answer button over the solving answer. Thanks ! \\n </s>