To compliant with CE/FCC regulations we will release EU/US firmware respectively instead of UN firmware. For EAP once upgrade from UN to EU firmware the wireless region code will be locked to DE and for US firmware the wireless region code will be locked to US. There is no way to revert back to UN firmware from EU/US firmware. Controller is also updated to work with EU/US firmware.
Currently the EU/US firmware for EAP are listed below. They have been uploaded to the management console of the website. Please check and make sure the corresponding firmware is available on your regional site according to your local regulations