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1&1: SIM-card lock – how to

Nov 11, 2025
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If you are a victim of cell phone theft, and also your SIM card is lost, you should have these locks. 1&1 allows in a few steps, through the in-house Control Center.

In addition, it is of course possible to make the blocking call Vera. The relevant contact details you will get in the help Center of 1&1. For information about what to look for when theft of your mobile phone should do, we give in this practical tip.