It is possible to program without internet

Is it possible to program without internet using droneblocks, to program a real tello?
Is it possible to download and install droneblocs to program a real tello without internet connection?

Yes. You can download one of our apps here:

Then you need to open the app and let it load the necessary data from our server. After that you should be able to disconnect and use DroneBlocks offline to program your Tello drone.

If you are having problems with this approach please let us know.