Hobbywing Apps. program??

[notatoy]

i know the old ezrun C3 AND C4 had problems with softwear . and it looks like they still have but the new xerun systems i just carn,t fault and as above if purchased through a good vendor in the USA warrantie is not a problem i understand that a retailer named hobbypartz.com also in the united states also does this hope this clears things up .thanks