Wireless/SSIDs/Edit Change Splash Page to none.   If you are still getting a prompt try factory resetting an AP to see if the issue goes away. https://documentation.meraki.com/zGeneral_Administration/Support/Resetting_Cisco_Meraki_Devices_to_Factory_Defaults#Indoor_Access_Points_(MR1X.2F2X.2F3X)   If you are still getting some kind of prompt then perhaps it is not the access points.  Do you also have an MX? ... View more