To redeem a Congstar top-up and add credit to your prepaid mobile account in Germany, you have several convenient options:


Method 1: Redeem via USSD Code (Direct Dialing)

  1. Dial*101*<Top-Up-Code># on your Congstar mobile phone.
    • Replace <Top-Up-Code> with your actual 13-digit top-up code.
  2. Press the call button and wait for confirmation.
  3. Your prepaid account will be credited with the voucher amount.

Example: If your top-up code is 1234567890123, dial *101*1234567890123# and press call.


Method 2: Redeem via Customer Service Hotline

  1. Call 22011 from your Congstar mobile phone (free of charge).
  2. Follow the voice prompts to enter your 13-digit top-up code.
  3. Your account will be credited accordingly.


Method 3: Redeem via Congstar Website

  1. Log in to your meincongstar account.
  2. Navigate to the top-up section.
  3. Enter your top-up code and confirm the transaction.


Method 4: Redeem via Congstar App

  1. Download and open the Congstar App.
  2. Log in to your Congstar account.
  3. Navigate to the top-up section.
  4. Enter your top-up code and confirm the transaction.


How to Check Your Congstar Balance

  • Dial *100# from your Congstar mobile and press the call button.


Important Notes:

  • Ensure your top-up code is valid and has not expired.