Error updating batteries.

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I recently updated my evo 2 pro V2, who still has video transmission problems by the way. But i could never update 2 batteries from 3, it would update only one, that now has version V0.0.29, but the other two would not update and still have version V0.0.25. I couldn't find a way to update those two batteries, this has happened since the last 2 firmware updates at last. Anyone has a solution for this? thanks.