With me charging only works about every 2nd or 3rd tuck.
Has possibly something to do with whether the iPhone is locked or just unlocked, but I have not been further tested.
In principle, it is possible for me so the iPhone 5s to load it (wenns then work times, it also charges fully on).
Satisfactory but that is of course not really.
UPDATE:
After several weeks of testing, I have to correct myself ... There are some around 5-10 attempts necessary until the iPhone starts to load. It must be in between the iPhone unlock or lock again and again until it works sometime. Somehow you can make the iOS 7:03 probably outsmart the extent that the dock will be accepted by phone. As I said, when charging work times, then he no longer aborts. However, one can not charge from completely discharged condition the cell phone. Since the mobile phone is indeed on but after few minutes again (and the games then repeated again and again). When the phone is completely empty so you have to use another dock or cable - to recharge in between and comes this dock already.
