paid bill

Did you enter your customer number as the reference? If not, you should call the billing department tomorrow on 089 78 79 79 456.

Yea, I follow the instructions in my O2 app. Their IBAN and their BIC I put it in my payment 

And also I can't use my SIM card to call because they also like blocked it. So I need some answers when will it will be back so I can use it. 

Have you restarted your phone?

Does it say in the app / customer portal that the invoice is paid?

If the SIM is still blocked tomorrow, you should call the billing department to check the payment on 089 78 79 79 456.

Not yet. It does not appear yet. I don't know and I can't use my phone on calling them because I can't use my SIM. They blocked also on calling other phones also.

If you transferred the payment on Wednesday it really should be showing as paid by now. Perhaps you can borrow a phone from a friend so you call the billing department?

Hello ​@Wu42zzî,

Welcome to our o2 Community. 😊

It's strange that it still isn't working, even though you transferred the money on Wednesday. I would check again to see if it works on Monday. Do you have the option of borrowing a cell phone from a roommate/neighbor/friend and calling our billing department if it still isn't working on Monday?

I am really sorry but I can't I am alone right now in my house and currently on vacation leave. Sorry can you check it for me why up until now it is not reflecting? I can give the screen shot of the payment 

Hi goodmorning O2. Would like to ask if you have already checked my payment? 

I know the problem but can you help me? I can't use my phone to call the customer service because it is already blocked. So I used a different IBAN to pay my bill my friend did it but unfortunately he put the purpose my name but not the customer number. Any O2 customer service may help me?

edit o2_Gerrit 04.09.2025 double posting moved together

@Moderation: zur Info:

​@Wu42zzî You already have a thread for this issue and there you have been informed that you need to contact the billing department. This cannot be resolved in the forum.

edit o2_Gerrit 04.09.2025 double posting moved together

But I can't use my phone to call or I don't have neighbors or friends that I can use to call the O2 service

edit o2_Gerrit 04.09.2025 double posting moved together

https://www.o2online.de/kontakt/

If you have no way of calling, you can use the contact form. Include your customer details and the details of the transfer so that the payment can be found and matched to your account. A quicker way to unblock your SIM might be to transfer the amount again. When the other payment has been found it will be credited and set off against the next invoice.

edit o2_Gerrit 04.09.2025 double posting moved together

Hello ​@Wu42zzî,

from here we cannot take insight, as you are logged in with a prospect account here in our community, which is not linked to a contract nor can we check payments.

You can have the colleagues from our dunning department check via our chat.

Best Regards,

Gerrit