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My old Samsung S3 is getting sluggish. Really sluggish. I want to know which version of Android I can install on it? I cannot find on Samsung's web site some kind of reference table that says which OS version can be installed on which phone.

I have found a YouTube video showing Lollipop installed on S3. Should I do that? Update:
Looks like even Android 7 can be installed on S3.

  • The S3 official last update, I think, is Android 4.3. Any other greater versions are custom ROMs. Custom ROMs have their pros and cons. – esQmo_ Jun 3 '17 at 21:26
  • Hi @esQmo_ I am new to android (as you can see from my question). So, please let me know why I should NOT install a newer Android version. I mean at this moment my phone really really really sucks (slow). So, what is better to buy a new phone or (try to) install a new OS ? – Rigel Jun 3 '17 at 21:36
  • This question is opinion based and may be too broad. Android Enthusiasts prohibits such questions. But to answer to your question the lag may be a software issue or even a hardware issue. Sometimes flashing can solve this or a simple factory reset. Custom ROMs exist because manufacturers decide to not make an update to a newer android version due to hardware limitations or because they want you buy a new model etc... – esQmo_ Jun 3 '17 at 22:01
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    Just a reminder that Android 6+ is somewhat beyond the abilities of the hardware of S3 family, be it the Exynos or Snapdragon variant. It's overall usable, but micro-stutters happen very often, due to the SoC's lack of power and the wear-out of the eMMC chip. – Andy Yan Jun 4 '17 at 0:05
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    @esQmo_ "opinion based" - Do you feel like a wizard? I am not. We are not speaking about wizardry here. We are speaking about software/hardware engineering, right? Concrete example: other operating systems are shipped with a WELL DEFINED list of "minimum hardware requirements" parameters. It seems that Android also has some compatibility tests ( source.android.com/compatibility/cts ) but I am not an Android savvy so I don't really understand how to install those tests on my S3. I don't need opinions, I need facts (am searching for is that "minimum hardware requirements" list) :) – Rigel Jun 4 '17 at 9:30

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