How to flash openwrt on TL-WR840n v6.20

Before, flash the firmware, we must have tool and firmware software.

tftpd or other, i use pumpkin klever for tftp.

Download tftp, Openwrt firmware Recovery

method, to flash fw we use tftp recover, set ip address pc/notebook to 192.168.0.66.
where later the wr840 device will make a recovery request with the name tp_recovery.bin

Turn on wr840, then push wps/reset button until blinking led. make sure the tftp settings are correct


wait until the flashing light stops and boots up





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