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Need Help – Two Prepaid SIMs Activated by Mistake (International Student)

  • Nov. 18, 2025 12:40 PM UTC
  • 17 Antworten
  • 145 Aufrufe
Besucher:in

Hello,
I need help with my O2 prepaid SIM cards.

I originally ordered one SIM card, but it got lost in delivery, so I ordered a replacement. Now both SIMs were delivered. I activated the first one and inserted the SIM card, but it was not working. I spoke to someone from O2 customer service and they told me that either of the SIMs should work.

Since the first one was not working, I inserted the second SIM and activated that one as well. The second SIM is working.

Now both SIM cards are activated, and I am worried that money will be deducted from my account for both cards. I only want to use the working SIM and I would like to cancel/deactivate the other one.

I am an international student and I speak English, so I would really appreciate clear instructions on what I should do next.

Also I have not yet been asked for my identification , so help on that would be great too. 

Thank you for your help.
 

Edit o2_Antje: Moved from Prepaid to English Community / 18.11.2025 

 

Lösung von o2_Solveig

Hello ​@Jingi16 ,
there are no notice periods for prepaid services. 
However, the packs have a four-week term.
However, the phone number you used to register here in the community is not a prepaid contract.
Perhaps you have confused something here?
This is a flex contract. It has a notice period of one month. 
Kind Regards, 
Solveig 

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17 Antworten

Bumer
Legende
  • BumerLegende
  • Nov. 18, 2025 12:47 PM UTC

How a SIM card was activated without identity verification is a mystery to me.

You can cancel a card here: https://info.o2online.de/kuendigung/

Besucher:in
  • Jingi16
  • Autor
  • Besucher:in
  • Nov. 18, 2025 12:51 PM UTC

Hi ​@Boomer !

Exactly, I ordered the Sim online and had put my IBAN, can you let me know what I should do?

Bumer
Legende
  • BumerLegende
  • Nov. 18, 2025 12:54 PM UTC

You asked how to cancel the unnecessary SIM card.

You can cancel a card here: https://info.o2online.de/kuendigung/

Besucher:in
  • Jingi16
  • Autor
  • Besucher:in
  • Nov. 18, 2025 12:55 PM UTC

I meant what do I do about the Identification , will it ask for it later ? 

Bumer
Legende
  • BumerLegende
  • Nov. 18, 2025 1:43 PM UTC

No, if SIM cards are activated, no subsequent identification will take place.

Besucher:in
  • Jingi16
  • Autor
  • Besucher:in
  • Nov. 18, 2025 4:01 PM UTC

Thank you !

I have cancelled my sim card using the link! 
Will i still be charged for this  sim card this month? This is a monthly cancellable card. 

Bumer
Legende
  • BumerLegende
  • Nov. 18, 2025 4:46 PM UTC

Prepaid service will be cancelled immediately.

o2_Gerrit
  • o2_GerritModerator
  • Moderator
  • Nov. 20, 2025 1:53 PM UTC

Hello ​@Jingi16,

welcome to our o2 Community 🙂

Great that Bumer could help you, thanks from me as well 🙂

Did you receive a confirmation that we have received your cancellation?

Best Regards,

Gerrit

Besucher:in
  • Jingi16
  • Autor
  • Besucher:in
  • Nov. 25, 2025 9:45 PM UTC

Hello ​@o2_Gerrit !

So sorry for the late reply!
I did get the message that O2 has received my request to terminate my o2 contract.
But they said it will be terminated only on 18th of December (after a month). 
Is this how it is supposed to go about?
I thought it would be immediately cancelled?
Will i have to Pay for it for the month?

Bumer
Legende
  • BumerLegende
  • Nov. 26, 2025 6:57 AM UTC

Yes, you have to pay until the end of the contract.

o2_Solveig
  • o2_SolveigModeratorin
  • Moderatorin
  • Lösung
  • Nov. 26, 2025 7:47 AM UTC

Hello ​@Jingi16 ,
there are no notice periods for prepaid services. 
However, the packs have a four-week term.
However, the phone number you used to register here in the community is not a prepaid contract.
Perhaps you have confused something here?
This is a flex contract. It has a notice period of one month. 
Kind Regards, 
Solveig 

Besucher:in
  • Jingi16
  • Autor
  • Besucher:in
  • Nov. 28, 2025 10:50 AM UTC

Hi ​@o2_Solveig !

Oh i was not sure , i thought flex contract is same as prepaid when i spoke to someone over at the customer care. 
It does have a notice period of one month. So I am assuming , money would get cut for one month . Is there a way I can cancel it , I did get the mail that it will be cancelled in the coming month when I did it through :  https://info.o2online.de/kuendigung/

Is there something else i should do as well?
I am confused here , when I had put the other sim (which i am trying to cancel) , I was not able to unlock it at all. So had to use the other sim i got. 

Please let me know what is the best way forward. 

Thank you so much

o2_Gerrit
  • o2_GerritModerator
  • Moderator
  • Dez. 2, 2025 3:11 PM UTC

Hello ​@Jingi16,

yes the second contract will now be cancelled next month.

For a period of14 days after ordering via our website or our hotline a revocation is also possible.

Did you try the activation via our activation website?

Best Regards,

Gerrit

 

Besucher:in
  • Jingi16
  • Autor
  • Besucher:in
  • Dez. 2, 2025 8:32 PM UTC

Hi ​@o2_Gerrit !

Yes , I did use that activation website. 
 

o2_Gerrit
  • o2_GerritModerator
  • Moderator
  • Dez. 5, 2025 3:16 PM UTC

And when you tried to activate the SIM card of your first cointract via that website of ours where you shown an error message, ​@Jingi16 ?

Best Regards,

Gerrit

Besucher:in
  • Jingi16
  • Autor
  • Besucher:in
  • Dez. 5, 2025 7:45 PM UTC

Hi ​@o2_Gerrit !!

No I was not shown any error message , but when I had put the SIM card , it did not get unlocked and it was not working on my phone . 
while the other sim unlocked quickly 

o2_Gerrit
  • o2_GerritModerator
  • Moderator
  • Dez. 7, 2025 2:49 PM UTC

Yes, as far as I can see, the activation has been stuck in the system at that time, ​@Jingi16.

Best Regards,

Gerrit

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