It is possible to install OpenWrt over TFTP on this model. Renaming the firmware image to firmware.bin before upload (see previous paragraph) is still a good idea.įor older stock firmware version for the Archer C7 v5, installing OpenWrt is only possible through TFTP server, (v18.06.1 confirmed) Make sure to upgrade the stock firmware first if you want to use the manual firmware upload feature which can be easier than setting up a TFTP server.įor Archer C7 v5 OEM fw 1.0.11 Build 20190726 the router refuse install OpenWrt v21.02 from OEM's firmware-upgrade page or via TFTP, but it's possible to install OpenWrt v19.07.2 using the OEM UI, and from that do the upgrade to v21.02 using LuCI.įor Archer C7 v5 OEM fw 1.2.0 and fw 1.1.4 the router accepted the openwrt-21.02.3 firmware image via upgrade page without issues. The solution is to use the region-specific firmware matching the region-specific hardware. When installing via Web-based interface, the device will refuse to install the incorrect version and display a generic error message along the lines of “there's something wrong with this firmware, but I can't tell you what”. For example, OpenWrt 22.03.4 exists in non-region-specific version ( factory.bin), EU version ( factory-eu.bin), and U.S. To bypass this limitation, download the relevant factory-flash BIN file and then rename the file to firmware.bin before uploading.Īrcher C7 v2 may require region-specific firmware. Please note, however, that this page will refuse to install firmware uploaded with a long filename. → Install OpenWrt Installation using web interfaceįor Archer C7 v1.1, v2, v2.1, v4, and v5 (fw1.0.11, fw1.2.0), installing OpenWrt is confirmed to work by simply uploading the OpenWrt firmware in the stock OEM's firmware-upgrade page. OEM Stock Firmware: Use this file to restore the router to the “stock” firmware as it shipped from the manufacturer. OpenWrt Factory Firmware: Use this file the first time you flash OpenWrt onto the router as it came from the “factory.” OpenWrt Sysupgrade Firmware: Use this file to upgrade an OpenWrt “system” to a newer OpenWrt version.
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