No internet access after installing firmware update 1.0.4.18

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Protocol-X wrote:

This firmware is trash, I don't think it was ever actually tested, as there is no way a company would have let this pass.

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I'm pretty sure it was tested. 'We' can argue how completely though.

I'm also sure it works for a large percentage of people, and I'm one of them.

Sorry to say, from years of experience, testing is harder the more complex the item under test can be. Sure, you can think of a router just taking in TCP/IP packets and routing them to the correct place as well as providing Wifi access. However there are a myriad of options one can set. Every option you add/change you double the testing required to test ALL combinations of options. That number CAN be staggering. For instance maybe Wifi works fine alone without security. Now consider how many tests you need to test every possible combination of the 2.4 SSSID, 5Ghz and 5Ghz 2 SSID's with all of the 4 different Security settings (and have h/w to do that?). Got that number? Large isn't it (no I didn't calculate it)? Now complicate it more with the possible Channels on each in all combinations.... oh, and don't forget the combinations of all those with the 6 different possible speed combinations. Those test scenarios can be HUGE. Let us say some scenarios were never tested as they felt they had sufficient coverage, like say Beam Forming, and just threw that on in a few tests. Could it be possible that you would use it in an untested mode?

Not trying to make excuses, but there are many ways to use a router defined by the combination of settings. However, in this case, I'd say the testing was not as through as it could have been.

Some problems can be caused by sloppy programming too. Think some part was not touched and don't test it, but in fact you did make a change that could cause a problem in untouched code... been there, have the t-shirt.