Before downloading any firmware, verify:
Not Recommended: While it technically supports OpenWrt, the C1 revision is strictly not recommended due to its low 4MB Flash and 32MB RAM. Using it can render the device "useless" as it lacks the resources to run a secure, modern build. firmware d-link dsl-2750u h w c1
or your local region's D-Link Support site to find the specific firmware for Hardware Version C1 . Guide: Firmware Management for D-Link DSL-2750U (H/W C1) 1
Connectivity: 4x 100 Mbps Ethernet ports and 802.11b/g/n Wi-Fi via a Broadcom BCM43225 chipset. 2. Critical Security Vulnerabilities Firmware versions for the Go to product viewer dialog for this item. firmware d-link dsl-2750u h w c1
How to check: