If you have an Android phone, you can set another user profile up, exclusively for crossing boarders. No Bitcoin Wallets, no private pics or documents, just a few (institutions) numbers in contacts a few texts, some holiday pics...

Here's a guide how to set a new user up, the rest is up to you: https://www.howtogeek.com/333484/how-to-set-up-multiple-user-profiles-on-android/