Developer @Evilnat stopped at psx-place forums to release updated SEN Enabler with support for latest 4.81 custom firmware, and to spoof old CFW to 4.81. For now plugin and application is supporting CEX Custom Firmware's. Evilnat has also gave warning that Sony added new certificate named CA59.cer in 4.81 firmware, so is highly recommended to use latest available cfw instead of spoofing older one's. The Plugin and Application was...
Sen Enabler v6.0.3 updated to support and spoof to 4.81 firmware