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hello,

When I first bought the router, it came with a firmware were I was able to control any device on my network what download/upload speed it'll get, or in other words - I could limited the download/upload speed.
I upgraded the router firmware, of course I downloaded it via officially tp-link website, and on the new firmware, the Qos was changed - now I can only prioritize traffic on my network.
unfortunately, it's not good for me as the first option before the upgrade.
so:

1. There is an option like bandwidth limit? traffic shapes that I'm missing?
2. If not, how can I revert back to the stock firmware the router came with?

Thanks!