Carriers have begun to receive nano-SIM cards ahead of the next generation iPhone launch, reports iPhone-Ticker.de.

The site posted an image of the nano-SIM card received by T-Mobile. Here’s the translation of the attached message:

Dear partners,
Please find enclosed a new generation of SIM cards for the latest generation of smartphones that come in the near future on the market. Sort your SIM card please first not in their cards in hand and give it not out to customers. We will inform you shortly about how to proceed.