RetroCompass
RetroCompass

A30 — Troubleshooting

Quick answer

Button combo

Stick: SettingsCalibrate Joystick·SD fix: SD Card Formatter(Quick)FAT32·Unbrick: spi_burn image

Steps

  1. 1Stuck on the loading screen / boot loop: re-seat or replace the microSD; reformat FAT32 and reinstall spruce (keep .tmp_update).
  2. 2Bad/dead-feeling SD card: run the official SD Card Formatter on 'Quick', then format FAT32 and reinstall — this revives many cards.
  3. 3Soft-bricked (won't boot at all): flash the spruce Unbricker image (spi_burn_20240402.img) as a bootable card with Rufus, then boot on a charger and let it run until it turns off.
  4. 4Joystick drift: Settings → Calibrate Joystick. Note L3 (stick click) is not wired on the A30.
  5. 5Headphone/no audio via adapter: the A30 is picky with adapters; try a known-compatible USB-C headphone/adapter.
Last verified: 2026-06-20Source: lomiyoo.com

Most A30 problems trace back to the microSD card: a bad card or a missing hidden .tmp_update folder causes boot loops and empty game lists. The fix is usually reformatting to FAT32 (the official SD Card Formatter on Quick mode revives many 'dead' cards) and reinstalling spruce. If the device truly won't boot, flash the spruce Unbricker image as a bootable card and let it run on a charger. Hardware quirks to know: the A30 needs a long POWER hold to turn on, L3 stick-click is not wired, performance varies unit to unit ('chip lottery'), and it can run warm with WiFi on. Do not fit a Hall/GuliKit stick — the A30 board can spark or fuse.

FAQ

My A30 is stuck on the loading screen / won't boot — what now?
It is almost always the SD card. Reformat to FAT32, reinstall spruce keeping the hidden .tmp_update folder, and try another known-good card. If it still won't boot, flash the spruce Unbricker (spi_burn) image as a bootable card and run it on a charger until the device powers off, then power on.
Why does my A30 run hot or have short battery life?
Largely the 'chip lottery' plus no internal ventilation, but WiFi is the biggest factor — it raises CPU and battery use. Turn WiFi off (spruce has 'Turn off WiFi in game'), use Smart CPU mode, and lower brightness.
Can I replace the A30 stick with a Hall/GuliKit sensor stick?
No. Reports show the A30 motherboard can spark, fuse or melt with upgraded sticks. A plain Joy-Con-style replacement stick is generally fine, but avoid Hall/GuliKit upgrades. Also note L3 is not wired, so the stick click sends no input.