[tunapizza]

It's either that, or get denied. Interestingly enough, however, it's quite easy to "prepare" for a phone search in advance since border agents can only search the actual content of your phone. You just need to delete apps and reinstall them after you passed the border. Their "advanced" forensics tools would likely find traces of those deleted apps, though.

"CBP officers can only search and access data stored on the device’s hard drive or operating system. The search does not include data that is stored remotely in a Cloud format. The officer must ensure that data and network connections are disabled before starting the search, for example, by asking the traveler to turn the device into airplane mode and disabling Wi-Fi."

[https://hselaw.com/news-and-information/legalcurrents/prepar...]