Firmware for the TP.MT5522.PC821 is panel-specific. Installing the incorrect version can lead to inverted images, incorrect colors, or a non-functional backlight. Community Repositories
Restart the device and press DEL , F2 , or F10 during boot. Look for a section labeled "Firmware Revision" or "Embedded Controller Version." You should see a string containing tpmt5522pc821 followed by a date or build number (e.g., tpmt5522pc821_v2.3.1 ). tpmt5522pc821 firmware
Firmware updates for the EAP225-Outdoor are not just about bug fixes; they often bring critical enhancements: Firmware for the TP