Huawei 3131s-2 could not determine remote address

Hello,

I was wondering if somebody has a tipp for me regarding log-file-error-message with hardware constellation.

I get the error “could not determine remote address from server 112.11.x.x” by making a PPP connection. Unfortunately I can not use the router for surfing because name-resolving does not work.

How to fix this issue with Huawei 3131s-2 ?!?

I also upgraded OS to version is 6.38.1 and checked modem-init. But there is only init ATZ and the Internet APN, user-name, password and pin are also entered correctly.

Must I buy a new LTE usb stick? If yes, which one is tested and works 100% without any trouble?

Best regards and thank in advance

Dirk