I use the Formuler S Turbo for about a month and I've found out that after prolonged use of the receiver (several hours) there is a problem - the sound is interrupted with short breaks every few seconds, as if the processor could not keep up with the processing. The restart of the device helps. Sometimes also the screen becomes dark for 1-2 seconds, but this is rare. It is regardless of whether I receive FTA of pay tv, and regardless of the satellite.
I use the newest firmware.