thanks for sharing your question with the Wefugees Community.
In addition to what my colleague has written to you, I would like to add that the Blue Passport, which you get after you have a positive decision about your case as a refugee or asylumseeker from German Migration Office, is a replacement for your country's passport. With your national passport, you are neither allowed to go to your country nor enter the embassy of your country for the extention of your passport and if you do so, in both cases you lose your refugee or asylum status. Furthermore, in the case above you are also not allowed to apply for your national passport in your country's embassy, and if you do so, in this case you also lose your refugee or asylum status.
I hope my answer was useful for you and I'll be very pleased if you contact me again with further questions. I'm a member of the MBEON-staff and I‘ll be glad to guide you over a longer period of time. Mbeon is an online consultancy for migrants via the mbeon-app, which you can install on your smartphone for free. Download it via App Store or Google Play Store. You'll find me In the mbeon-app under my name „München, Herr Noori“ and get confidential one-to-one advice in a safe virtual room where nobody can wiretap messages. Further information: www.mbeon.de
With kind regards,