RetroCompass
RetroCompass

TrimUI Brick Hammer — Troubleshooting

Quick answer

Button combo

(hold VOL−)(hold VOL−)+POWER·long-press POWER

Steps

  1. 1Won't turn on: charge over USB-C for 30+ min, then long-press POWER.
  2. 2Won't boot / stuck on logo: re-flash via VOL− + POWER with a known-good SD base package.
  3. 3Card not detected: re-seat the microSD/TF card and re-format it FAT32, extracted with 7-Zip.
  4. 4Random freezes/missing systems: use a quality card and re-copy the firmware.
  5. 5Wi-Fi issues: re-enter the password (a factory reset clears saved Wi-Fi credentials).
Last verified: 2026-06-20Source: github.com

The Brick Hammer is the same TG3040 platform as the Brick, so most problems trace back to the microSD card or firmware rather than hardware. A device that hangs on the boot logo or shows missing systems is usually fixed by re-formatting a quality card to FAT32, extracting the package with 7-Zip, and re-flashing with VOL− + POWER. If it won't power on, charge over USB-C first, since a deeply drained battery can appear dead. Keep your original stock card as a known-good fallback.

FAQ

My Brick Hammer is stuck on the boot logo — is it bricked?
Usually not. Re-flash the stock SD base package (or your CFW) from a freshly FAT32-formatted, 7-Zip-extracted card using VOL− + POWER. A faulty or cheap card is the most common cause.
It won't turn on at all.
Charge over USB-C for at least 30 minutes, then long-press POWER. A fully depleted battery often needs a while before the device responds.