No. Try cleaning all contacts with a drop or two of Isopropyl alcohol (90% or so) on a Q-tip, use the dry tip to dry the contacts. To be on the safe side, wait a few minutes, in order to let eventual alcohol evaporate.When I but my batteries in sometimes the mod won't turn on. Take them in and out a couple times mod starts up fine. Have any on you experienced this? It's only happened twice, and has the newest updates