I got recently this common problem. I m using one of those Chinese PadPhones ( N9776 MTK6577 Dual Core Android 4.1 3G Smart Phone) with JellyBean 4.1.1 but the problem is simple. at least for me was: First I Unmount the 32G SD card (watch out I said "Inmount SD card" not Erase SD card). in this...