Block O2 SIM card - how it works
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If you have lost your cell phone and want to block your SIM card with O2, the process is unfortunately not free. We'll show you how to get it blocked.
O2: lock SIM card
- The cheapest option is to block online O2 login. Here you can block your SIM card directly with a click of the mouse for a fee of 5 euros.
- If you have forgotten your password for online access, you only have to call the customer hotline.
- O2 Postpaid customers can dial 089/787979400 or 0176/88855222.
- O2 prepaid customers, on the other hand, dial 0176/88855282.
- For the blocking via hotline, a fee of 9.99 euros is due.
- More contact options can be found in our practical tip or on the manufacturer's website.
