Оригинален firmware на TP-Link
wr740nv4_en_3_17_0_up_boot(150105).bin
Стабилна версия на OpenWrt 19.07.6 за TP-Link 740n v4 без пакети PPP и OPKG но със LuCI и relayd
download factory firmware
openwrt-ath79-tiny-tplink_tl-wr740n-v4-squashfs-factory.bin
download sysupgrade firmware
openwrt-ath79-tiny-tplink_tl-wr740n-v4-squashfs-sysupgrade.bin