If they are no wallpapers after upgrading to 4.4.2 KitKat this means they might have been wiped out. You can find free wallpapers on zedge.net/wallpapers/6987/xolo-q1010-wallpapers
You can upgrade your Lenovo S660 to Android KitKat using the Android 4.4.3 KitKat update for Moto E.
Your Lenovo S660 can be upgraded to Android KitKat using the Android 4.4.3 KitKat update for Moto E.
You can upgrade your android using the settings menu. But it depends on some models because some require you too upgrade it through a computer. Or If you have a custom ROM or custom firmware to update that you would have to use a recovery. Hope this helped:)
If you have already rooted your Lenovo S660, you can upgrade it to Kitkat using the link: http://gadgetsacademy.com/update-galaxy-s5-android-kitkat-4-4-2-xxu1ane2-firmware/ .
Yes, the Kitkat Android version is a good operating system.
Android Kitkat version 4.4 deemed to be the best, try it.
To upgrade your Lenovo S660 to Kitkat, you have to root it first using the Framaroot-Guide.
The Motorola Nexus 6 ships with Android Lollipop but is upgrade able to Marshmallow. It has not been officially announced whether it will receive Android N.
Android in general can be referred to the company under Google that develops the operating system and devices. Android KitKat is the codename for one of many versions of Android's operating system, version 4.4 in this case.
It is the common name for version 4.4 of the Android operating system, used on some mobile phones.
KitKat (Android 4.4 OS) is rolling out to the Nexus series of tablets (Nexus 7 2012-2013, and Nexus 10). There's no ETA as to when the OS will roll out to other tablets at this time. There are developers making a customized ROM of KitKat that would likely rollout ahead of an official update.
As of August 2014, the fastest version of Android OS is version 4.4.4 (KitKat). The next Android version (Android "L") is set to debut in the fall.