Buy a Blau Top Up Voucher

Your Blau credit does not expire. The Blau terms and conditions apply.

Note: Make sure to top up your Blau.de credit before the end of the usage period to prevent your SIM card from being deactivated and your credit remaining available. Depending on the top-up amount, the usage period extends by half a year or a full year: for a top-up amount below €2.50, the usage period extends by 6 months plus the remaining days (maximum 1 year); for a top-up amount of €2.50 or more, the usage period extends by 1 year.

Yes, there are country-specific restrictions for Blau.de top-up cards. Blau.de is generally a German product and is therefore only valid for people residing in Germany.

Online via Mein Blau Account:

1. Log in to your Mein Blau account.

2. Enter the top-up code and confirm the entry.

3. Your credit will be topped up.

Top-Up via Mein Blau App:

1. Open the Mein Blau app on your smartphone.

2. Go to the section for topping up credit.

3. Enter the top-up code you received by email.

4. Confirm the entry to top up the credit.

Top-Up via Call:

1. Call the free service number 1155.

2. Follow the instructions to enter the top-up code.

3. Enter the top-up code you have received.

4. Your credit will be topped up.

Top-Up via Message:

1. Enter the combination *103*(Your code)# on your phone.

2. Press the call button.

3. Your credit will be topped up.

Yes, you can also top up your Blau credit from abroad. The top-up can be done online via the "Mein Blau" app or the customer portal.

Yes, with a Blau top-up card, you can easily make calls, send SMS, and use the internet. You can also make calls and send SMS from abroad in over 180 countries. However, be aware that not all networks abroad support data services. To avoid high costs, you can deactivate mobile data services before or while traveling abroad.

You can check your balance directly in your Mein Blau account or in the Mein Blau app. Alternatively, you can check your Blau credit by dialing the short code *101# or calling the free service number 1155.

Do you have questions or problems when topping up your Blau SIM card? The Blau customer service team is available by phone or via live chat. The online service is also available to you 24/7 via your Mein Blau account.