[Archer C50] #openwrt #router firmware upgrade #printer

README.md

• My Router Archer c50 eu v1

• THe firmware version was 160411.

• OpenWrt page is https://openwrt.org/toh/tp-link/archer-c50?datasrt=firmware%20openwrt%20upgrade%20url#v1_and_v3_installation_instructions

• Downlaoded followinf two files

  • http://downloads.openwrt.org/releases/18.06.0/targets/ramips/mt7620/openwrt-18.06.0-ramips-mt7620-ArcherC50v1-squashfs-factory-eu.bin
  • http://downloads.openwrt.org/releases/19.07.2/targets/ramips/mt7620/openwrt-19.07.2-ramips-mt7620-ArcherC50v1-squashfs-sysupgrade.bin

• from factory firmware upgrade using factory-eu.bin

• Uploaded factory-eu.bin in TP link upgrade UI. It brick the router :(

• We need to downgrade the router to 150325 version.

• Download the firmware from here https://static.tp-link.com/res/down/soft/Archer_C50_v1_150325.zip .

• Downgrade using tftp.

• Setup tftp server using https://askubuntu.com/a/202548/101008

• We need to wipe first 512 bytes **If we miss this then device is permenantly gone **.

• cd /tftpboot && dd if=ArcherC50V1_tp_recovery.bin of=tplink.bin skip=1 bs=512

• mv tplink.bin ArcherC50V1_tp_recovery.bin

• md5sum must be 82f1331f68568696d1616dac115c0de2

• https://openwrt.org/toh/tp-link/tl-wdr4300#de-brick_or_oem_installation_using_the_tftp_recovery

• Setup your computer to 192.168.0.66 (SubnetMask /24 = 255.255.255.0) and connect it to LAN1.

• tcpdump -npi eth0 udp and tcpdump -ni eth0 arp for debugging

• Start TFTP server and provide recovery file with it.

• To activate TFTP Recovery press and hold WPS/Reset Button during powering (8 sec.) on until WPS LED turns on.

• https://forum.openwrt.org/t/lede-on-tp-link-archer-c50-but-the-install-instructions-is-in-polish/3446/58

• Now goto the TPLINK UI which has 150325 version.

• Upload factory-eu.bin

• Openwrt router is ready

• Upload the sysupgrade to upgrade to latest openwrt firmware.

Setup network printer

• https://openwrt.org/docs/guide-user/services/print_server/p910ndprinterserver
• You need to reboot the router after enabling the printer server in UI.
• Add the printer in Laptop. HP DesignJet 110 Foomatic/cdnj500 (recommended)
• chrome://devices Add printer in the laptop and select the network printer
• Open a doc and click share in andriod select print and select the printer.
• The laptop should be to route the content to the network printer

Openwrt Interesting packages

• dns over https
• wireguard server or client.
• Write lua or python script to do certain things.
• It has cron so enabling or disabling home devices using the router.