I bricked a router (TP-Link AC1750)

Installing and Using OpenWrt Network and Wireless Configuration
1

I had the openWRT firmware up and running but lost track to all the different changes I was making so I want to flash back to stock and reinstall.

The important thing was this wasnt a main router but part of a series of 4 routers I have brought over the years that I plan on using to build up a network and learn about IT tech. Right now, which is off-topic, is that I have the Linksys 1900ac routet which I cant seem to get ddwrt onto it.

I flashed it back but it appeared to hang up on the flashing status animation then I did the forbidden act of unplugging it under the impression that the web page indicator I had opened was just cached.

And since of that I have no way to accessing the router.

Now I have seen that there is an unbricking page but it looks like I will have to open the router and potentially solder on some wires to hook into raspberryPi, which I have plenty of so no problem.

Also for future reference can I potentially download the firmware, run it on a virtual machine to build and test it before I finally upload to router?

2

There is firstboot command as well as "Restore to defaults" option in Luci for that.

I'd be very surprised if that was an option.

3

Which exact model and version? There is more than one called the "AC1750".

4

If the router still pulls firmware by tftp method then the bootloader is intact and u can unbrick it, no need for serial cable yet.

5

@trendy
Based off what you've said is it possible to do the ddwrt trick with the power cycling and 2 seconds to get back into stock?

@mk24

Archer A7 ver 5.8

@bakemono

I will look into that now thank you.

Update:

I looked into what you suggested, so I hooked into ethernet and the LAN would not indicate anything was connected so this may go into serial.

Also my laptop OS is Ubuntu 20.04 LTS

6

This variant is possible only on dual firmware routers. Otherwise you cannot just go back to OEM firmware.