When you have registered via Facebook Connect, to change your first name, age, or gender, go to your Facebook page and update the “About me – contact and basic info” section of your profile. When you have registered via a cell phone number, you must send a letter or contact customer support at the addresses listed above, to change your first name, age or gender. In case of error, your age can be rectified once, directly on the Application. The right to data portability grants a Member the right to receive the personal data he/she gave to HAPPN, in a structured, commonly used format, legible on a machine, and to forward them to another processing entity, in compliance with Article 20 of the GDPR.
Do I have the right to download my data? 
The right to data portability grants a Member the right to receive the personal data he/she gave to HAPPN, in a structured, commonly used format, legible on a machine, and to forward them to another processing entity, in compliance with Article 20 of the GDPR.