TP-LINK Archer C6 V2 EU bricked support

Installing and Using OpenWrt
1

Hi all,
I installed OpenWrt version 24.10.2, and then I downgraded to version 19.07.0 using the Web UI (really stupid of me). And boom — my device only shows the power LED, then after about 3–4 seconds the WPS LED blinks orange twice, followed by all LEDs turning on and then off. The loop just keeps repeating.

I tried following this guide: https://forum.openwrt.org/t/tp-link-archer-c6-v2-revert-to-stock-firmware-guide/96416?u=tmomas
But after the TFTP server finishes uploading the file, all LEDs turn on and then off (I assume the device restarts). There is no actual flashing process.

Is there any way I can recover my device?

2

Have you tried reinstalling OpenWrt {(24.10) via TFTP?

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3

Oh my god, you saved my life

4

My device has 8 MB of flash memory. I can’t install the Adblock package. Do you have a way to install it, or another method to block ads on OpenWrt without having to install additional packages?

5

even if you would fit the adblock, the 128MB RAM would force you to use a minimal block list, or you'd run into OOM errors.

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6

So it’s not possible to install any ad-blocking package on my device. I should only use an ad-blocking DNS like AdGuard?

7

even if you could fit the package, RAM would be the next issue.

you could try to TFTP flash an older openwrt release (start with 23.05.7), it'll free some extra flash space for additional packages.
if you're lucky, enough to fit adblock-lean, making it possible for you to evaluate.

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