Last week, right after Apple dropped the iOS 18.1 update, my dad and I set out to go buy a pair of AirPods Pro 2 for my grandma who is hard of hearing. Fifteen minutes after buying them, I found out that the device was for all intents and purposes useless, because Apple has region locked the Hearing Aids feature to the US and some other countries1. This kickstarted a few days of fiddling and learning how Apple typically implements region locked features, building a Faraday cage, and running a sm...