My original version is 12.3, and I unzip 6.7 version bin backup file directly to aloha folder and all original bin file had been replaced, and it make version go back to 6.7. Thanks @alohaross who give me the pos upgrade, right now pos go back to 12.3, but EDC version stay on 6.7, is any one have aloha EDC 12.3 upgrade file, thanks so much