Lending your phone without showing your photos

It happens all the time. You show someone a photo and they start swiping. A friend borrows your phone to call a taxi and ends up in your gallery. Here are three fixes, from quickest to strongest.

1. Pin the app before you hand it over

Android has a feature called app pinning that locks the phone to a single app until you unlock it again. Show someone one photo in your gallery, pin the gallery, and they can't jump into your messages. The catch is that they can still swipe through the gallery itself, so pin a photo viewer only when there's nothing else in there you mind them seeing.

Turn it on in Settings by searching for "pin". Samsung calls it Pin app or Pin windows. Then open recent apps, tap the app's icon and choose Pin.

2. Use a guest profile for longer loans

Many Android phones have a Guest mode, reached from the user icon in quick settings. A guest sees a clean phone with none of your apps, accounts or photos. Most Samsung phones don't offer this, but Samsung tablets do.

3. Keep private photos in a vault

Pinning and guest mode depend on you remembering in the moment. A vault works without thinking about it. Photos in Dobr aren't in your gallery at all, so a swipe too far finds nothing. Dobr locks itself as soon as you leave the app, so even if you hand the phone over right after using it, the vault is already shut.

Our guide to hiding photos on Android compares vaults with the built-in options.

If someone asks you to open the vault

With Dobr Unlimited, every pattern opens a separate vault. Keep a second one with a few dull photos in it. If someone insists on seeing what's in the app, open that one.

Last checked 2026-11-01. Phone menus change between Android versions and brands, so labels on your phone may differ slightly.