RetroCompass
RetroCompass

TrimUI Smart Pro S — Troubleshooting

Quick answer

Button combo

(unresponsive) hold POWER ~15s·SettingSystemCalibrate Joystick

Steps

  1. 1Frozen or won't respond: hold POWER for about 15 seconds to force off, then power on again.
  2. 2Drifting or off-center stick: go to Setting → System → Calibrate Joystick and follow the on-screen rotation.
  3. 3New games don't show: open the Game tab, press MENU and choose Refresh Roms.
  4. 4Performance feels low: check the FN performance switch on the bottom edge and the related CPU mode in settings.
  5. 5Won't boot or update fails: re-flash the latest trimui_tg5050 firmware from a FAT32 card (VOL- + POWER until the green bar).
Last verified: 2026-06-20Source: trimui.com

Most Smart Pro S issues have simple fixes. A frozen unit is cleared by holding POWER for about 15 seconds, then powering on. Stick drift is fixed with Setting → System → Calibrate Joystick. If newly added games are missing, open the Game tab, press MENU and choose Refresh Roms. Sluggish performance often relates to the FN switch on the bottom edge and the CPU performance mode in settings. If the device won't boot or an update fails, re-flash the latest trimui_tg5050 firmware from a FAT32 microSD card (VOL- + POWER until the green bar). As a 2025 device, exact menu wording may change between firmware versions. (DRAFT.)

FAQ

How do I fix joystick drift on the Smart Pro S?
Go to Setting → System → Calibrate Joystick, press A, select the stick and rotate it as prompted. Recalibrating usually clears drift and off-center input.
My new games don't appear in the list. What do I do?
Open the Game tab, press MENU and select Refresh Roms so the system rescans the card. Confirm the games are in the correct folder for that emulator.

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