I am growing frustrated with the following behaviours of Android 4.1.2, which has been running my rooted Samsung S3 I9300 for two years now:

1) When switching between already-open apps, more often than not going back to an app that had some data loaded (e.g. address looked up in GoogleMaps, page loaded in Firefox etc) results in the app starting all over from its initial screen and thus losing the input I had given it just minutes ago 2) Generally very sluggish operation, although I am careful to limit the number of apps installed/running 3) When connecting to a new WiFi network for the first time, the phone restarts (this has only been happening for a few months)

Since I have no real reason to invest in a new phone (new features in S4,S5 and S6 don't seem that appealing), I was considering just doing an OS upgrade, and since Lollipop seems to not be rated well by users, KitKat 4.4.4 seems the likely candidate. I am wondering whether anyone who has used my current version (4.1.2) can comment on whether any of the above behaviours are corrected in v4.4.4, in particular whether the general performance/speed is better in 4.4.4 (or other KitKat versions) as compared to 4.1.2 (or other Jellybean versions), and whether app caching actually works during multitasking.

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    Granted my phone is a little different (Galaxy S3 SCH-I535) it updated to 4.4.2 right when I bought it new earlier this year. On this model running 4.4.2, I haven't experienced any of the bugs you mention. – paulmz Sep 28 '15 at 21:42
  • I bet, though, that 1) is really thought of as a "feature, not a bug", if a very annoying "feature"! – z8080 Sep 29 '15 at 7:19
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    Back to number 1, how are you switching between apps? Are you using the "Recent Apps" menu or some other way? I switch through open apps (occasionally, as I tend to not have multiple apps running at once) using the "Recent Apps" menu and also have no issues. – paulmz Sep 29 '15 at 13:50
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    No, I haven't noticed the issue you are having. When I switch between apps, both on my Galaxy S3 and Galaxy Tab 4 running KitKat, they return as I left them. Alternatively, I'm also running Jellybean on a couple of other devices (HTC Incredible, HTC Rezound, Galaxy Tab 1) and app switching works as expected. I cannot say that performance speed is noticeably faster between Jellybean and KitKat, but the latter definitely runs smoother. – paulmz Sep 30 '15 at 14:42
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    I also totally agree with you that there is little need to upgrade to a new device. The Galaxy S3 is virtually a perfect phone and the new versions add no must-have features. I would have no reservations about upgrading the OS to KitKat. – paulmz Sep 30 '15 at 14:46

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