Error when trying to install with cIOS249 rev20, ES_Identify failed, error 4294966267. ios249 not patched with ES_DIVerify? · Issue #125 · DacoTaco/priiloader · GitHub
How To Install d2x CIOS 249/250 (MUST HAVE FOR USB LOADER GX) - YouTube
IOS 249 problem | GBAtemp.net - The Independent Video Game Community
Help with d2x cios installer | GBAtemp.net - The Independent Video Game Community
How to install CiOS (iOS 249 is a Stub Fix) custom iOS fix - YouTube