If you still wish to proceed with sideloading an IPA file (assuming you own a legitimate license for the software), follow these steps:
Sites offering "Full IPA" downloads often bundle malware or adware that can compromise your iPhone or iPad. Obsolescence: animalcrossingpocketcampipa full
If you linked your Nintendo Account in the original app, you can transfer your progress and items to the Complete version . Availability & Cost Animal Crossing: Pocket Camp C - App Store If you still wish to proceed with sideloading