> If anyone has suggestions how to prepare for this in advance, let me know.
Backup your phone to cloud storage prior to travel, wipe it, hand border agents a nearly empty phone, restore once across the border.
Backup your phone to cloud storage prior to travel, wipe it, hand border agents a nearly empty phone, restore once across the border.
(If your phone looks suspiciously empty or has a weird account, you might as well have said "no", that phone will be taking an extra detour.)
It seems to me these days if one doesn't have any such accounts one's likely to be singled out as being suspect or suspicious.