ZTE ZXHN H267a modemde internet yavaş

İnternet kablosuz halde cidden yavaş. Modemde sorun olduğunu düşünmüyorum çünkü daha yeni değişti. Kanal değiştirsem düzelir mi? Nasıl değiştiririm ayrıca kanalı?
Loglarda genel olarak bu uyarı hakim:

[CODE title="LOG"]2021-11-20T20:16:02Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.ETH.IF5]
2021-11-20T20:16:02Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.ETH.IF5]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT2]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT3]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT4]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT5]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT6]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT7]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT8]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT9]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT10]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT11]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT12]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT13]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT14]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT15]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.BRIDGING.BR1.BRPORT16]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.ETH.IF1]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.ETH.IF2]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.ETH.IF3]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.ETH.IF4]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WIFI.SSID1]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WIFI.SSID2]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WIFI.SSID3]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WIFI.SSID4]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WIFI.SSID5]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WIFI.SSID6]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WIFI.SSID7]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WIFI.SSID8]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WDS1]
2021-11-20T20:16:03Z [Warning] Call function failed!GetInterFaceBaseInfo[DEV.WDS2]
2021-11-20T20:16:03Z [Warning] Call function failed!csInitializeSocket[/CODE]