they say here on FAQ page this:
"Q:I just upgraded my device to V2.203, found there is V2.206 for boardSX350J-V2, any different between V2.203 and V2.206 ?
A: SX Pure function inside V2.206 support the Atomizer-with SX Puretechnology-from IPV company. If you have their new atomizer, you need...