I can't believe the number of people saying Gingerbread! I thought Gingerbread was terrible. I disliked it so much I stopped using Android. I have never used Jelly Bean, so I can't comment on that, but stability and usability wise, ICS is leaps and bounds better than Gingerbread, and I think it looks much better to boot (though looks is subjective).
There are are only two situations (both related) in which I could understand someone mistaking GB for being better than ICS or JB.
1. They had a GB device that was upgraded and had resulting stability or bug issues on an Android based device, such as a Touchwiz or Sense device.
2. They've never used stock versions of both. Touchwiz, Sense and other Android based devices having issues shortly following upgrades to software is really common.
Keep in mind this thread started with the silly sentiment, "Although, there is no difference between any OS of Android, but I still have a doubt which OS is better from their functionalities and features?"
There are huge and obvious differences between 4.2.1 and 4.2.2, let alone 4.1.x, 4.0.x and 2.3.x. both in terms of features and functionality, as well as design, efficiency and usability. If there were no differences, there'd be no reason for incrementing the release. Likewise, if the changes weren't immense, even on Android based devices, no one would have been annoyed that HTC released the One on 4.1 instead of 4.2.2.
stick to ICS..Jelly bean is crap.. I am suffering.. Dont upgrade..
Newer is not always better. Especially when updates can come with their own set of bugs.
Feature wise jelly beanof course. But stability wise and smoothness wise on the s2. Gingerbread. No phone I have used s 3, 4, galaxy nexus.) Even come close to the smoothness. Which is really making it hard for me to upgrade to a different phone cause I know I week lose the flawless experience. Be it the ui, or the browser.only people who had the galaxy s2 will understand.
Of course, considering that the Galaxy S2 is a flagship phone around 2011-2012 until newer, more powerful phones came out. A phone's performance also depends on software, not just hardware. You can have a Galaxy S4 with two quad-core processors, but have ridiculous amounts of lag with TouchWiz, loaded with tons of bloatware. If the Galaxy S2 runs great with TouchWiz, you can bet it WILL run superbly with stock vanilla android. Samsung seemed to have reached its peak with the Galaxy S2, but its newer devices seemed to have lost their luster.
Honestly, forgive me for going a little off-topic, but android nowadays seems like a spec arms-race, with all these OEM's packing powerful new features into their upcoming phones.
Yeah I wonder why the newer ones are not as smooth. Wish they would optimize them like they dis with the s2 on GB.
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