Write your original or compatible 1509 512M dump file back onto the chip. Resolder or unclip, then power on the unit.
⚠️ : Never turn off the power during a firmware update. This will corrupt the internal memory and require a specialized RS-232 serial recovery tool to fix. 1509 dvbt2 512m firmware update
Standard DVB-T2 / DVB-T compliance for H.264 or H.265 video decoding. Write your original or compatible 1509 512M dump