Three times went to the warranty, replaced three times without any problems, but in the third version of the unimportant for me lettering replaces, for the electronics is reliable. The third remote is me even flown by a careless gesture of a friend (ADHD-ler) across the room and had it in spite of the still survives, which was enough for the other two versions already the tap out the batteries out to a loose connection in RF electronics to trigger.
