Three Indian individuals have successfully hacked their AirPods Pro 2 earbuds to enable Apple's hearing aid features, which are not available in their country. The group used a makeshift Faraday cage made from aluminum foil and a microwave oven to bypass geolocation restrictions and trick iOS into thinking the device was located in California.

Source: https://www.wired.com/story/apple-airpods-hearing-aid-hack/