@Virgo Speaking for my country: Germany Contacting TP-Link directly is a nightmare - but I share my experience here: I contacted TP-Link Support by email asking exactly this question: How to...

+1 Not only how to buy (simply google for 'LIC-OCC-1YR') but rather how/where to enter the licence code within the cloud controller as I see option for that so far...

@crrodriguez Okay then it would be interesting what @Fae or @Hank21 will suggest how to proceed.

@OrangeStreet Sorry for being unclear. Yes try Google DNS servers 8.8.8.8 and 8.8.4.4 and play with online connection test settings described e.g. here:...

@OrangeStreet As mentioned in your other post - upgrade your OC300 first. And then try using different latency servers for measuring to see if your latency graph becomes a bit more 'straight'....

@OrangeStreet Always update devices and controller firmware through local access if possible. Devices might behave unforeseeable, get stuck in upgrade process or even get bricked when triggering...