For iPhone owners for example, use 3rd party apps for contacts, emails, web browser, etc. Typically google apps like chrome, gmail, etc. Delete them right befor

For iPhone owners for example, use 3rd party apps for contacts, emails, web browser, etc. Typically google apps like chrome, gmail, etc. Delete them right before the border check. Clear your caches just in case. Then re-download them when you're done. Long story short, move all your data to the (evil) cloud and just synch so you never lose your history and configurations.