Hi everybody. My hand phone's Xperia J ST26i, up to ver 4.1.2 of Android. In ver 4.0.4, when i receive a call, my hand phone light vibrate, so i can know that my call connected. But, in ver 4.1.2, it's not working. So, how to get vibrate when connect call? Pls help me, change in my hand phone or use software to support. Tks.