Support for your Graupner products can be obtained in several ways. We are here to help and would like to assure you that customer satisfaction is very important to us.

Before contacting us you can find help and information at the following places:


Our manuals and products are updated frequently. Your product may have an outdated manual or there may be new product addendum's available. Check out our download page and look for your product category and the manuals section for updates.


From time to time we release software and firmware updates to address known issues or enhance product functionality. Updating to the latest firmware may resolve some of the issues you may have or you may discover new features added to your product to improve its functionality and value. All of our products can be updated with our Firmware Upgrade Studio which can be downloaded from the download section.


Graupner USA is maintaining online presence at various online forums such as RC Groups, HeliFreak and Facebook. You will find our representatives as well as thousands of Graupner users that monitor our forums and are eager to help. We highly recommend to visit above mentioned forums as they contain a wealth of knowledge and information.


Use the contact us page to submit any questions and concerns you may have. We usually respond within one or two business days. Just make sure that you address your questions to the right department to expedite your questions or requests. Please note that many times we cannot respond to our service email address due to high traffic of spam and malware. Use the contact page only and select the department you wish to communicate with.


You can call us at any time. We are on Pacific Standard Time so keep that in mind. You can also call outside office hours and leave us a message. Our technical support department is available Monday through Thursday from 9:00 AM until 4:00 PM PST.


The Firmware Upgrade Studio provides you the user with a single software that will update all of your Graupner products such as ESC’s, radios, receivers, chargers and HoTT devices. It also allows you to analyze flight logs and much more. Please download the Firmware Upgrade Studio and familiarize yourself with its features.

Unless noted differently, firmware updates are handled automatically by the upgrader so there is no need to search for separate firmware files from our websites. By using the upgrader, you are always ensured of the latest and securely authenticated software that fits your product.

Graupner USA