Cudy tr1200 recovery

Hello, tell me I flashed my cudy tr1200 to OpenWrt, how can I roll back to the factory firmware via tftp, the instructions are a bit unclear?

Please post output of

ubus call system board

You can sysupgrade between openwrt versions, or use OEM images via tftp to return to it. OEM bootoloader is not changed, you can use it as if OpenWRT was never there.

What static IP should I use and when should I press reset when the power is off?

We both have same wireshark and tcpdump?

I don't speak English well, so I don't understand if I flash via tftp. If possible, how can I do this in detail, thanks?

You make a packet dump when device switches on in supposed TFTP mode and capture packets coming from port, then reconstruct tftp server and filename to use for recovery. It is 99% same as used to install OpenWRT.

Do I need to rename oem firmware to recovery.bin?

You shoud see requested filename(s) in the log of tftp server.

https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=f1091ef7ac3596f1e401b918a36273672acbe389

Unfortunately, I can’t return to the factory firmware via tftp.

... because?

It doesn't work, I download the factory oem firmware, set 192.168.1. 88, at what point do I hold down reset, can you write step by step?

This is the Cudy intermediate firmware GDrive: https://drive.google.com/drive/folders/1BKVarlwlNxf7uJUtRhuMGUqeCa5KpMnj

You can try downloading a zip for another router like "TR3000". This zip has a tftp server and a PDF with instructions. Obviously you need to download Cudy firmware for TR1200 and load this on the tftp server.

1 Like

If you don't know the file name, tftp32 will show you.

In other case, you can open Wireshark. With this tool you can see if the router is generating traffic.

With my TR1200 i can see this:

1 Like

I download the firmware from the link above, change it to recovery, put it in the root of the program, then do everything according to the instructions from the pdf, press reset, turn on the cable and the firmware does not start

what port are you using? I tried with WAN port.
Also the router needs some time to restore the firmware, it's not immediate.

Thank you very much everything worked out

2 Likes

This topic was automatically closed 10 days after the last reply. New replies are no longer allowed.