Enabled by emerging technologies such as Apple's Airdrop, cyberflashing is now widespread. While some have argued it may be playful, motivated by a desire to bond or flirt, it's unquestionably a form of technology-facilitated sexual violence that fits within the dimensions of image-based abuse. Read more at Monash Lens.
You may want to advise your Apple phone children to turn air drop off if they are not using it. OR make it 'Contacts Only'.