Upgrade Android Ice Cream Sandwich Much Trouble

For users of Android-based gadget be it a smartphone or tablet gadget would want him to use the latest version of the Android operating system. However, unfortunately for the Android version of the Ice Cream Sandwich (Android 4.0) a lot of gadgets that problem after update to the Android operating system version.
Some gadget that looks problematic after updated to Android version Ice Cream Sandwich is a Samsung Galaxy Note and Acer Iconia A500.