Firmware 1509-dvbt2-512m -

: H.264/H.265 decoding, 1080p HD video output, and support for USB WiFi receivers (typically Ralink RT5370). Known Limitations : Most versions do not support AC3 (Dolby Digital) audio decoding. AliExpress Step-by-Step Update Guide

Press the Menu button on your remote control. Use the direction keys to move to the System or Device Preferences submenu. firmware 1509-dvbt2-512m

The Ultimate Guide to Firmware 1509-DVBT2-512M: Recovery, Installation, and Updates : H.264/H.265 decoding

Have a specific issue with your 1509-DVBT2-512M box? Consult specialized DVB receiver forums before touching that firmware file. 1080p HD video output