Help! I followed instructions via Apple Support website for transferring iPad to iPad. I used the iTunes method rather than iCloud . After completion, 80% of my books on iBooks not there, half of my apps were missing plus my iPad 3 will not join my t mobile hotspot but it will join my wifi at home. One last question - my husband is taking my old iPad; should I erase all data so he can make it his own/start from scratch or is that a waste of time?