Daniel2424 Probezeit bestanden

Hi, Thanks for the reply. To clarify the situation: I’m not fully sure whether the SIM was successfully activated in Germany. A friend brought it to Vietnam for me and mentioned that the KYC (Video-Ident) was completed. However, the current behavior is: the SIM can detect available networks (e.g. Viettel, Mobifone) but it cannot connect to any network at all (no service / registration fails) Based on this, I believe the issue might not be related to datapasses (since even basic network…

Hello, I’m currently experiencing an issue with congstar prepaid SIM cards when roaming abroad. Situation: The SIMs are used outside Germany (tested in Vietnam and China) Devices: iPhone and Android (multiple devices tested) Observed behavior: Roaming is enabled on the device Available networks (e.g. Viettel, Mobifone, etc.) are visible However, the SIM cannot connect to any network (“No Service” / registration fails) Manual network selection also does not work Same issue occurs across…