en.Wedoany.com Reported - Mobile discount provider spusu has introduced a data rollover service in the German market, allowing users to carry over unused data to subsequent billing cycles for up to two months. teltarif.de tested this feature. The service is billed on a calendar month basis, with fees and data quotas prorated for subscriptions starting mid-month. At the monthly switch, usage counters for Germany, EU countries, the UK, and Switzerland reset, and unused data from the previous month or two months is credited as "Germany Bonus GB" for use within Germany only.

Tests show that bonus data is not consumed first; the system always prioritizes the current month's regular data quota, and this order cannot be changed by the user. This rule creates inconvenience: for example, if a user goes on vacation abroad on July 20, having used 80% of their current data in the first 19 days, they can only use the remaining 20% of regular data while roaming in the EU, while bonus data must wait until they return to Germany. Vodafone is gradually phasing out its GigaDepot feature, which consumed rollover data only after regular data was exhausted, and allowed leftover data to be used while roaming in the EU. Deutsche Telekom prepaid customers automatically roll over unused data, with the system prioritizing remaining quotas. spusu's rules show a clear difference in roaming flexibility versus local network priority.