When received, it runs:
Firmware releases vary by region and hardware revision (e.g., T1, R1). Key versions for the Version 3.0.10: dlink dsl224 firmware
Always verify checksum after download to prevent corruption. When received, it runs: Firmware releases vary by
Firmware updates can sometimes erase your ISP configuration settings (like PPPoE username/password or VLAN settings). You may need to log in to the router and re-enter the internet connection details provided by your ISP. dlink dsl224 firmware
D-Link provides a .bin on their support site. Binwalk reveals:
28 Jun 2023 — Description. D-Link DSL-224 firmware version 3.0. 10 allows post authentication command execution via an unspecified method. DSL-224 R1 setup wizard