@Belperboy - Welcome to the forum - when you get a chance, please update your profile with at least a first name - it will make communications more personal.
I'm not familiar with that router, but I'm sure our members from down under will be. However, from everything you said, it certainly doesn't sound like you did anything to cause the failure. Your limited use should not have caused it. Perhaps you just got a faulty unit.
I'm not familiar with that router, but I'm sure our members from down under will be. However, from everything you said, it certainly doesn't sound like you did anything to cause the failure. Your limited use should not have caused it. Perhaps you just got a faulty unit.