D-Link DIR-645 OpenWrt Firmware
- CPU
- Ralink RT3662F
- RAM
- 64 MB
- Flash
- 8 MB
The D-Link DIR-645 is supported by OpenWrt on the ramips/rt3883 target. 2 firmware images are available from the official OpenWrt 25.12.5 stable release — download one below, or build a custom OpenWrt image for this device with your own package selection.
Specs
Specifications
| CPU | Ralink RT3662F |
|---|---|
| CPU cores | 1 |
| CPU frequency | 500 MHz |
| RAM | 64 MB |
| Flash | 8 MB |
| 1 Gbit Ethernet ports | 5 |
| WLAN hardware | Ralink RT3662F |
| Switch | Realtek RTL8367RB |
Hardware data from the OpenWrt Table of Hardware; verify against your unit before flashing.
Build matrix
Supported firmware versions
| Distribution | Version | Target | Profile |
|---|---|---|---|
| OpenWrt | 25.12.5 | ramips/rt3883 | dlink_dir-645 |
Downloads
Download images
OpenWrt 25.12.5 · ramips/rt3883
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-ramips-rt3883-dlink_dir-645-squashfs-sysupgrade.bin Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | fe97838f395f… |
| openwrt-25.12.5-ramips-rt3883-dlink_dir-645-squashfs-factory.bin For first-time flash from stock firmware. | factory | 3298cabac203… |
Downloads are served by the official OpenWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the D-Link DIR-645 ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.
Device packages (2)
kmod-usb-ohci kmod-usb2
Target default packages (29)
apk-mbedtls base-files ca-bundle dnsmasq dropbear firewall4 fstools kmod-gpio-button-hotplug kmod-leds-gpio kmod-nft-offload kmod-rt2800-pci kmod-rt2800-soc libc libgcc libustream-mbedtls logd mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoe swconfig uci uclient-fetch urandom-seed urngd wpad-basic-mbedtls
Installation notes
- First install from stock firmware: flash the factoryimage through the vendor firmware's upgrade page or recovery mode.
- Already running OpenWrt or ImmortalWrt: flash the sysupgrade image from LuCI (System → Backup / Flash Firmware) or with the sysupgrade command.
- Verify your download against the published checksum before flashing:
$ sha256sum openwrt-25.12.5-ramips-rt3883-dlink_dir-645-squashfs-sysupgrade.bin fe97838f395f0c9a6d22d58ab11bedf074555b748482adb19dd1610cb1152c96 openwrt-25.12.5-ramips-rt3883-dlink_dir-645-squashfs-sysupgrade.bin
Build custom firmware
Need more than the default image for the D-Link DIR-645? 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 deviceRelated
Related devices
More D-Link devices
- D-Link AQUILA PRO AI E30 A1 OpenWrt firmware
- D-Link AQUILA PRO AI M30 A1 OpenWrt firmware
- D-Link AQUILA PRO AI M60 A1 OpenWrt firmware
- D-Link COVR-C1200 A1 OpenWrt firmware
- D-Link COVR-P2500 A1 OpenWrt firmware
- D-Link COVR-X1860 A1 OpenWrt firmware
- D-Link DAP-1325 A1 OpenWrt firmware
- D-Link DAP-1330 A1 OpenWrt firmware
More devices on ramips/rt3883
Upstream
Upstream & source
Images are assembled from packages compiled and published by the upstream OpenWrt and ImmortalWrt projects. The complete corresponding source code is available from those projects under the GPL.