DSO nano V3 without SDCARD Slot Firmware

Hello friends,
I have DSO nano V3 (without SDCARD) buth with built In 2Mb memory, (“Firmware upgrade version 3.22A”) so can you place here the lastest and working original firmware and BenF firmware with Internal memory support.
Actually I foud an original HEX’s v4.11, v4.20 and v4.21 and they are not working on my device, the buttons are just Inactive.
In other hand, the BenF firmware v3.64 works perfectly, but this firmware didn’t recognize an Internal memory and says “NO CARD”
I will be wery appriciate for help. Thank you.

Dear friends,

Unfortunately DSO nano V3 with Internal memory(without SDCARD slot) will not support by BenF firmware as soon as.