Hitec announcement - Maxima SL V1.21(0) Firmware Update

6th October 2015

Dear all,



We (Hitec) release Maxima SL Firmware update version 1.21(0) and it can be updated by HPP-22 update program.




We sincerely ask you to announce it to your customers at your earliest convenience.




Please launch HPP-22 program and update Maxima SL to the latest version.




If you do not have HPP-22 program yet, please download the latest version of HPP-22 Software from the link below.








Maxima SL V1.21(0) Update




Maintain function

- Fixing the problem of the compatibility with some of gyros.


Thank you.



Best Regards,




Colin Lee

Hitec RCD Korea,Inc.

Overseas sales Team