Thursday, 1 October 2015

Galaxy S6: DNS Name Resolution Problem



If I'm on wifi (anyone's wifi, not just through my AC1900 Nighthawk) anything that requires some sort of name resolution is slow as hell? For example, when browsing websites (and is especially prominent using the Samsung browser, but not as much with others), there are 2-15 second delays before a website that has not been loaded before will come up. Another example is any game that connects frequently to a server (like google play or game data servers) somewhere like Summoners War or Star Wars Uprising (the only two games I generally play). They games will sit and do nothing on a black screen or spinning icons forever and adds 30+ seconds on simple stuff like starting the game. It only does it on WIFI. The phone is completely stock on latest lollipop, however it has done it for all prior releases too.

How do I know it's a DNS issue? Because if I use DNSSet (On Google Play Store). Everything, including games, suddenly works as it should with no delays.. Yes it fixes the problem I'm having, but I SHOULDN'T have to!! I've reset to factory, 3 times now and re-installed every app in testing, and it's always there. it pisses me off to no end as it won't go away!

Does anyone else have the latency with WIFI DNS name resolution? Can someone else try this? Using the Samsung browser (because it's the worst offender), go into the app manager and clear the browser cache. Now on "WIFI" manually enter some site and time how long before it opens it (On mine the sites take an extra 4-10 secs to load). Turn off the WIFI, do the same cache clear on 4G LTE and it's much faster to load web pages. As I mentioned, WIFI DNS name resolution seems to affect all web-related browsing, but shows less impact with other web browsers. Now if I load DNSset that I mentioned above, the name-resolution latencies are all gone.. but I don't want to have to use DNSSet as it messes up my work corporate WIFI connections.

After 4+ months with this phone, I am so tired of stupid little issues...



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