D-Link DSL-2750B B1 OpenWrt Firmware

The D-Link DSL-2750B B1 is supported by OpenWrt/ImmortalWrt on the bmips/bcm6328 target. 4 firmware images are available from the official OpenWrt 25.12.5 and ImmortalWrt 25.12.1 stable releases — download one below, or build a custom OpenWrt image for this device with your own package selection.

Build matrix

Supported firmware versions

DistributionVersionTargetProfile
OpenWrt25.12.5bmips/bcm6328dlink_dsl-2750b-b1
ImmortalWrt25.12.1bmips/bcm6328dlink_dsl-2750b-b1

Downloads

Download images

OpenWrt 25.12.5 · bmips/bcm6328

ImmortalWrt 25.12.1 · bmips/bcm6328

Downloads are served by the official OpenWrt/ImmortalWrt mirrors — unchanged upstream stable builds.

Packages & install

Default packages & installation

Default packages

Every image for the D-Link DSL-2750B B1 ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.

OpenWrt 25.12.5 · bmips/bcm6328

Device packages (8)

kmod-usb-ohci kmod-usb-ledtrig-usbport kmod-usb2 kmod-ath9k kmod-owl-loader wpad-basic-mbedtls kmod-leds-gpio kmod-leds-bcm6328

Target default packages (26)

apk-mbedtls base-files ca-bundle dnsmasq dropbear ethtool firewall4 fstools kmod-gpio-button-hotplug kmod-nft-offload libc libgcc libustream-mbedtls logd mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoe procd-ujail uci uclient-fetch urandom-seed urngd

ImmortalWrt 25.12.1 · bmips/bcm6328

Device packages (8)

kmod-usb-ohci kmod-usb-ledtrig-usbport kmod-usb2 kmod-ath9k kmod-owl-loader wpad-basic-openssl kmod-leds-gpio kmod-leds-bcm6328

Target default packages (30)

apk-openssl base-files block-mount ca-bundle default-settings-chn dnsmasq-full dropbear ethtool firewall4 fstools kmod-gpio-button-hotplug kmod-nf-nathelper kmod-nft-offload libc libgcc libustream-openssl logd luci mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoe procd-ujail uci uclient-fetch urandom-seed urngd

Installation notes

  • Verify your download against the published checksum before flashing:
    $ sha256sum openwrt-25.12.5-bmips-bcm6328-dlink_dsl-2750b-b1-squashfs-cfe-EU.bin
    c15ac0a2bbbbfd40d94a0ff5427e21ae8f29501bafc5520cc5b00c70c920a98d  openwrt-25.12.5-bmips-bcm6328-dlink_dsl-2750b-b1-squashfs-cfe-EU.bin

Build custom firmware

Need more than the default image for the D-Link DSL-2750B B1? Pick your packages — LuCI apps, themes, VPN clients — set the basics, and get a ready-to-flash OpenWrt image assembled from official packages in minutes.

Customize firmware for this device