Troubleshooting and Pro Tips

Use this guide when something feels confusing, slow, or stuck on mobile.

A Game Will Not Upload

Try these steps:

  1. Make sure the file type is supported.
  2. Make sure you have enough storage.
  3. Use Wi-Fi for large files.
  4. Keep the upload page open until it finishes.
  5. If the upload stops, tap the cancel button and try again.

Troubleshooting: Upload progress on mobile

Image Description: Capture the Add Game screen while a ROM is uploading, showing the progress bar and cancel button.

A Game Opens but Feels Slow

Try these steps:

  1. Close other browser tabs.
  2. Turn off battery saver mode on your phone.
  3. Rotate to landscape if the layout feels cramped.
  4. Open the in-game menu and choose Shaders > Original.
  5. Open Audio and lower the volume if your phone is struggling.
  6. If using netplay, turn on Performance Mode.

Touch Controls Feel Wrong

  1. Open the in-game menu.
  2. Tap Controls.
  3. Switch between Static and Dynamic D-pad style.
  4. Tap Hide Controls if you are using an external controller.
  5. Rotate your phone and try again.

Troubleshooting: D-pad style choices

Image Description: Capture Controls settings with both D-pad styles visible.

My Save Is Missing

Check these places:

  1. Open the game.
  2. Tap the in-game menu.
  3. Tap Open Saves.
  4. Check Manual.
  5. Check Auto.
  6. Check In-game.

If you used the game’s own save menu, remember that you may also need to tap Export In-Game Save.

I Cannot See Achievements

  1. Tap Profile.
  2. Tap Settings.
  3. Tap Integrations.
  4. Make sure Enable RetroAchievements is on.
  5. Check your username and password/API key.
  6. Tap Verify Credentials.
  7. Start a supported game.

Netplay Cannot Connect

Try these steps:

  1. Tap Refresh in the room list.
  2. Confirm the Room ID is correct.
  3. Make sure both players are online.
  4. Use Internet mode if you are not on the same Wi-Fi.
  5. Use LAN mode only when both devices are on the same local network.
  6. Ask the host to start a fresh room.

My Phone Browser Feels Crowded

  1. Install Rebit to your home screen.
  2. Open Rebit from the home screen icon.
  3. Rotate to landscape while playing.
  4. Hide controls if you use a hardware controller.
  5. Use fullscreen if your browser offers it.

Storage Is Full

  1. Tap Profile.
  2. Tap Settings.
  3. Tap Storage.
  4. Check whether ROMs, saves, or screenshots use the most space.
  5. Delete games or screenshots you no longer need.
  6. Upgrade if you need more room and the option is available.

Pro Tips

  • Save before changing cores.
  • Use Save State before difficult game sections.
  • Use the game’s own save menu, then tap Export In-Game Save for games with battery saves.
  • Keep a few auto saves, but delete old ones if storage gets tight.
  • Use Original shader when performance matters.
  • Use Classic CRT or LCD Grid when you want a nostalgic look.
  • Share your public profile link with friends so they can follow you.
  • Use Discover to find active players and popular games.
  • For netplay, use Wi-Fi and keep both phones charged.

Pro Tip: Profile and activity overview

Image Description: Capture a polished profile screen with playtime, activity heatmap, recent games, and public profile tools visible.