[Galaxy S II Android Development] :
Yeh

I had similar problems and traced it down to maybe one or two things, well, once I rectified these all was well again in the land of android. When I updated my CM10 themes, rebooted and then got all sorts of lagging, freezing etc etc. I then also updated Siyah kernel and cleared cache/dalvik, then all was mellow again. Also had to update Siyah kernel. I reckon some of the kernels have a sort of expiry date, like milk, once that day is reached all goes haywire. I am not sure but that procedure solved it for me. Oh, yes, also had to change rr to primary rom. Hope that helps, i don't reckon modems can do it.

---------- Post added at 03:12 PM ---------- Previous post was at 02:58 PM ----------

Hey bro, to explain all you just asked in the kind of detail that is necessary so you could understand, would take a couple of pages. Basically you got to start from the begining with putting a custom kernel on your phone. So long as you use Siyah, Dorimanx, you are safe from the brick bug. Never use rom manager to install custom roms or kernels. Never use leaked unnoficial Samsung kernels, they do contain the brick bug and I have fried 2 phones from using that nonsense. Now, you get a few different types and combinations of roms, that you can ascertain just by looking at the various rom tree structures within xda sgs2-gt-i9100. Another thing that can save you hassle, after you have installed a custom rom on your phone, update your samsung drivers on your pc. Always install a custom rom from recovery, directly on your phone, never use the odin/kies to do it. Once you have a custom rom on your phone, uninstall odin and disable kies(Keep the program because you need the drivers that come with it.)

What I have told you here can save you hours of missions. Other than that, there are even Youtube videos that show you step by step how to do it. Do not worry about all that csc/emmc backup nonsense within kies, once you are on a custom rom, an easy to read language with decent concepts, is available to you.

Furthermore, just read bro, it is actually rather simple, it is just the amount of custom roms out there for this phone that makes it seem difficult. If you read for at least 30 minutes before flashing, you will wax it, no problems. Go into dual booting at a later stage, first spend time making a friendship with flashing your phone and the file structures within a phone. It is like dating a hot lady, you got to first learn how to read the signs and indications before flashing, otherwise, you might get a boot in the nuts.

Take it easy, write down each step, 1, 2, 3, 4, etc etc, and you cannot go wrong. But do not stress I was also nervous first time but the information here can help to break you in slowly...to the rom flashing addiction...that is. Cool bro and most importantly, enjoy.

---------- Post added at 03:31 PM ---------- Previous post was at 03:12 PM ----------

First of all, nice to meet you, second of all, this was meant for those who might just try flashing any leaked kernel, there are dangers, that is a fact. The fact that you say you have flashed many leaked and custom roms and have not had the brick bug, does not mean that tomorrow you cannot have a brick bug fry your phone, this is proven by the multitude who have. People are going to flash leaked or not regardless of what I say, I just mentioned it here because the brick bug sometimes fades into memory and people forget.

I do not smoke anything, that stuff makes you irrational and moody(I can tell, by your childish attack). Many things can contradict a statement, heck, I can say Chameleon rom is the most shocking rom I have ever seen and it eats battery like a wild dog but, that will not be the case for everybody.

So, let me re clarify my statement which is a simple repetition of past experience with my phone and also has been mention by many notable and influential, well respected members of xda, "Be careful when you flash a leaked kernel, download an app called got brick bug and check how likely it is that you do, once that is done, either way you can do what you like, I have just found in MY experience of flashing over the last 4 years on many, many, many, many different android phones and tablets, that leaked kernels are not completely safe, hence, leaked, try at your own risk."

As for the so called 'skills' you referred to, thank you, I am rather humble so I prefer not making like I know everything and putting down other members for simply repeating warnings. You my friend are welcome to do with your phone as you wish. Just look out for those brick bugs, and no, doom and ant poison does not work for that. Hey, bro, have an excellent new year, and,....Cheer up, life is good. And, trying out 'software', Really?

---------- Post added at 03:31 PM ---------- Previous post was at 03:31 PM ----------