O2

You can recharge your O2 balance in three ways:

Option 1:

1. Enter *103*code# into your mobile phone.

2. Confirm with the call button.

Option 2:

1. Call 5667 and follow the voice instructions, and choose option 1.

2. Enter your top-up code.

Option 3:

Visit the O2 website

• Mail O2
• Call 0897 8797 9444 / 0897 8797 9400 from any other phone
• Visit the O2 website
• Visit the O2 Facebook page

You can check your O2 balance in two ways:

Option 1: Enter *101# on your phone and press the call button.

Option 2: Call 5667 on your phone and follow the voice instructions.

Buying a O2 DE top up means buying call credit to use on your phone. By buying enough credit you can keep calling, texting and browsing on your phone and you won't have to worry about not being able to call someone in case of an emergency. We'll send your O2 online top up code to you in around 30 seconds.

The O2 phone credit is valid for 6 to 12 months , depending on the last top-up amount. You can check the validity of your O2 credit by entering *102# on your cell phone and then pressing the call button.

Are you traveling abroad? Make sure to recharge O2 using *103*code# and use the call button.

To contact O2 Mobile customer service in Germany, you can use the following methods:

Phone support

- Call 0176 888 55 222 from your O2 Mobile. This is the customer service number specifically for O2 customers in Germany.

- Alternatively, you can reach them at +49 89 78 79 79 79 from any other phone.

Online support

Visit the O2 website for online chat support or to access their help center for FAQs and troubleshooting guides.

Social media

You can also reach out to O2 through their official social media channels, such as Facebook and Twitter, where they provide customer support.

O2 stores

If you prefer in-person assistance, you can visit any O2 store in Germany for help with your account or services.