I haven't had lightning based iPhones and iPads as long as I had 30 pin dock connector based modes, but out of the 6 units, I haven't had a bad cable yet.
The 30 pin dock cables tended to fall apart after about 2 years. We'll see how the lightning cables fare.
The 30 pin dock cables tended to fall apart after about 2 years. We'll see how the lightning cables fare.