1509 Dvbt2 512m Firmware Update Top | PC |

| Offset | Size | Content | |--------|------|---------| | 0x00 | 256B | Header (magic, version, checksum, target chip) | | 0x100 | variable | Compressed kernel (uImage) | | 0x200000 | variable | RootFS (squashfs) | | End–512KB | 512KB | Backup config sector |

menu_item_t main_menu[] = "USB Firmware Update", update_firmware_fn, 1, // 1 = top "Channel Scan", scan_fn, 0, "Channel List", list_fn, 0, ... ; 1509 dvbt2 512m firmware update top

Rename the file to flash.bin (case sensitive). Place it in the root directory of the USB drive (not inside a folder). | Offset | Size | Content | |--------|------|---------|

of your 1509 DVB-T2 box to find a more precise firmware match? // 1 = top "Channel Scan"