ZTE ZTE ZXHN H368C: connection issues

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This may help with your problem.

https://support.xbox.com/en-US/xbox-360/networking/network-ports-used-xbox-live

here you go :

Country: Jordan/Amman

Router Brand: ZTE Model Number: ZXHN H108N

wireless: internal (Xbox 360S) - and wired

UPnP : enabled

my ISP: (Orange)

also i've tried all the steps on this site but no luck

Please help Me

If you do end up buying a router, or before you do... Your ZTE H108N looks like its a Gateway (modem/router combo). All router functions should be disabled on the ZTE (place it in Bridge mode) before adding a router. This will disable all router functions
(Wi-Fi etc) on the ZTE and make it function only as a modem. If you do not do this you would basically be double NATing your network by adding a router and cause more problems.

Yes these are values with GreenNet router, but i figured out the problem(only for ZTE not for GreenNet)

So I have certain amount of Internet on ZTE router(I belive its 60, 70GB or soemthing close) and i have wasted that, so when new month starts then internet refills and now Xbox works.