D-Link DIR-2640 A1
The D-Link DIR-2640 is a Wi-Fi 5 Wave 2 router based on MediaTek MT7621A with 128 MB flash and 256 MB RAM. It has 5 Gigabit Ethernet ports, one USB 2.0 port, one USB 3.0 port and dual MediaTek MT7615N radios, capable of up to 4×4 streams on each band.
Supported Versions
Hardware Highlights
Installation
→ Install OpenWrt (generic explanation)
OpenWrt can't be installed through the stock firmware on this router, as it only accepts properly signed and encrypted files in D-Link SHRS format. Use the D-Link Recovery GUI instead to upload the OpenWrt factory image for this router.
Debricking
Hardware
Info
Known Issues
MT7615N 5 GHz Problems - see https://forum.openwrt.org/t/openwrt-on-mt7621-mt7615n-devices-with-5ghz-problems/107392