Possible solution: An app that dumps / restores the phone to a remote site, all e2ee.
Wipe your phone and factory reset before you cross the border, then restore afterward.
Wipe your phone and factory reset before you cross the border, then restore afterward.
At this point recommending the minimum that normal people will actually follow feels more effective: photos, main messaging app, and password database.
Photos are backed up; normal people use Google photos, my partner and I use a NAS, but everyone should have a "Free up space" / "Delete photos that are backed-up from device" option. This makes it easy and gets you space for more vacation photos
Main messaging app can be Telegram, Whatsapp, or (in my case) Element. Deleting it from your phone won't cost you your messaging history, but gets your most sensitive chats out of any potential spotlight
I can handle a password database, but "Chrome saves my passwords" means signing out of Chrome is all normal people have to do
I mention it because it's something I absolutely want in day-to-day use on my phone, and that I agree with it being one of the few things I'd make a point of not having with me when crossing the US border with
Normal people can sign out of Chrome, I can set up a delayed email (with an encrypted database) before I leave, or put it on a uSD card in my checked baggage, or any number of low-effort but not-on-my-phone workarounds