According to ABI Research, forked versions of Google’s Android account for 20% of the total smartphone operating system market.While Android may be handily beating Apple and other competitors in terms of market share, the open source operating system is struggling in the battle against malware.Before we get to the process of updating your Android-based smartphone, it should first be noted that your ability to update may be limited by the maker of your device.In general, the newer, high-end smartphones made by well-known companies are more likely to offer the ability to upgrade Android than the low-end devices made by lesser known companies.One notable exception to this general rule is Google’s line of Nexus devices.
Updating your Galaxy Gear from the previous OS to the Tizen OS will delete all data from your Galaxy Gear and remove any apps that were downloaded onto it.
You're suppose to download the right version on your computer, install and launch it. You can check Select all to backup all data on your i Phone. Note: You are able to view the previous backup files before deciding the data to restore to your device the other time.
Restoring your i Phone without updating it is not that common, but people do it from time to time as a measure of keeping their current operating system installation or it can be useful as well when you don't have an internet connection.
In this way, some settings will also be backed up and restored to your i Phone later.
If this is not what you want, you can choose to backup your i Phone to your computer selectively according to your need by using i Skysoft Toolbox - i OS Data Backup & Restore.