Video Tutorials are definitely a great thing and very interactive indeed. But I stumbled upon a site; which has no Video Tutorials but yet by far the best Tutorial Site for Smart Phones and Tablets that I have ever come across

They have tutorials across all well known brands; Alcatel / Apple / AudioVox / Blackberry / Ericssion / HTC / Huawei / Kyocera / LG / Motorola / Netgear / Nokia / Novatel / Pagers / Palm / Samsung / Sanyo / Sierra Wireless / Sonim / Sony and more

Below are links to a few popular ones

Tutorial for IPhone 5s

Tutorial for IPhone 5c

Tutorial for IPhone 4s

Tutorial for IPad Air

Tutorial for IPad Mini

Tutorial for Samsung Galaxy S5

Tutorial for Samsung Galaxy S4

Tutorial for Samsung Galaxy Note 3

Tutorial for Blackberry Z30