After night it's going again normal. 43.61 MB/s download and 4.10 MB/s upload on wifi. I don't know what happened when I slept but it's now okay. You can close this thread. Thanks :)

Region : UnitedStates Model : TL-WR1042ND Hardware Version : V1 Firmware Version : 3.15.7 Build 130923 Rel.55891n ISP : Telekom Hello, yesterday I received new router from Telekom because i signed...