Unlock O2 Sim card - how it works
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You can unlock your SIM card at O2 when you have found your lost cell phone. In this guide, we show you exactly how to do this.
Unlock SIM card at O2
The SIM card lock only applies to calls, not to mobile data. If you have bought a new SIM card, you have to activate the SIM instead of unlocking it.
- If you have blocked the SIM card online at Mein O2, you can also unlock it there in the same place.
- If this does not work, contact the O2 customer service via hotline or chat. O2 employees can also remove the lock.
- Note that unlocking the SIM card can take up to 5 minutes. In some cases it can be a little more minutes.
- If the SIM card remains inactive for a long time, switch your smartphone off and on again.
In the next practical tip, we will show you how to refer friends to O2 and what you get from them.