[OpenWrt Wiki] Downloads
https://openwrt.org/downloadsDownloads Browse the OpenWrt firmware repository These links take you to the Downloads directory for the current hardware, grouped by processor type of the devices. OpenWrt software has two distinct branches: a stable Release build that is suitable for production use, and a
Upgrading OpenWrt firmware using LuCI and CLI
openwrt.org › docs › guide-userUpgrading OpenWrt firmware using LuCI Download the desired upgrade file to your PC using a web browser Proceed to the LuCI upgrade procedure, below Web interface instructions Navigate to LuCI → System → Backup / Flash Firmware → Actions: Flash new firmware image. Click Choose File button to select firmware image.
[OpenWrt Wiki] Downloads
openwrt.org › downloadsYou can download and compile your own firmware from source, adding advanced tweaks or modifications that can be done only on build time. The OpenWrt build system produces reproducible builds with checksums and Git versioning, all firmware you compile will be exactly the same until you change options or you update OpenWrt sources.
[OpenWrt Wiki] Upgrading OpenWrt firmware using CLI
openwrt.org › docs › guide-userDec 11, 2021 · OpenWrt provides sysupgradeutility for firmware upgrade procedure. Verifyfirmware image checksum. Verify the router has enough free RAM. Upload the firmware from local PC. Flash the firmware. # Check the free RAM free # Upload firmwarescpfirmware_image.bin root@openwrt.lan:/tmp # Flash firmwaresysupgrade -v/tmp/firmware_image.bin