Do we need a kernel for Jelly Bean?

[demonmz]

So, I just upgraded to 4.1.1, then I rooted my phone. After that I looked up some kernels (Franco, Lean, Air, etc.) But as I was reading the change logs and features, I thought to myself, do I really need one?

Up til now, my phone has been blazingly fast and battery life isn't great, but good enough. So why use a kernel? For a ''mainstream'', non-developer user such as myself? Why care about overclocking undervolting and so on? Or am I not getting the idea of what a kernel really does?

Please share your thoughts on the subject.

 

[1088933]

Well, you will always have a kernel. If you just updated to JB, then you have the stock JB kernel. Here is a great read about it from Jerry: Android A to Z: What is a kernel? | Android Central

 

[demonmz]

Does franco kernel work flawlessly on JB?

 

[1088933]

I use it personally, and love it. I have the cpu and pgu overclocked, so the smoothness of JB is just enhanced. It really is nice, and a lot you can do. Customize the voltage for better battery, change the ColorControl on your phone so you have better colors, etc. Its pretty sweet

 

[1088933]

Here is the XDA thread he has, and all the builds to select from.

 

[demonmz]

Oh so can you for example fix (or diminish) the yellowish tint of the screen with some kind of setting? Also what are your cpu, pgu and volt tweaked to?

 

[demonmz]

Does the milestone 4 work with JB, or should I use the JB specific builds?

 

[1088933]

Yep! I have another thread here about what my color settings are here

My CPU is 1536 (1.5), min is 384. GPU is 512. Voltages are 1375mV max, and 1025 mV min. I can get the CPU up to 1804 (1.8), but I'm not that adventurous.

 

[1088933]

You will need the JB specific ones that he has posted for JB.

http://minooch.com/franciscofranco/Galaxy Nexus/JB/Jelly Bean/

 

[demonmz]

Is 512 gpu stable? Or should I take 384 ?

 

[1088933]

Either or, I use the 512 personally. Haven't had any issues with it so far.

 

[mtmjr90]

I held off from Franco's kernels initially because the stock JB one was frankly smoother.

Lately though his have really picked up and I get very good performance and battery life. I'm using the 384 one personally and the ondemand governor.

Like others have said, there are a lot of color tweaks and OC customizations on FK that you just don't get on stock so I'd recommend it

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