Making A Custom Rom - Galaxy Ace S5830 General

Hi guys, i want to make a custom rom base on stock/cyanogenmod.
But i am undecided because:
If is true that roms based on cyanogemod 7 uses more battery, i want to make a rom based on a stock firmware with the CF-Root kernel.
So the only app i know to create a rom is the xda-AndroidKitchen.
But i need a guide o a tip to start. Someone can help me?
Thanks. I realy need help please.
Last attempt with a stock firmware have failed because boot.img was too big.
(boot.img can't be more than 5mb right?)

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Boot.img < 4MB
Herpderp Adreno + Tegra.

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Ok Thanks.
Now i need a guide or some tips.
And an answer about the battery question.

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LoKKeR said:
Ok Thanks.
Now i need a guide or some tips.
And an answer about the battery question.
Click to expand...
Click to collapse
try to use the themythics or themythks2 as base has cf root
SGSII styled rom
for galaxy ace
made by Robinandroid

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battery problem would persist as far as you use CM as base rom..
and if you are not making kernel from yourself then you wont have problem with it anyway

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So only if i modify the kernel the battery can last less. right?
So What do you recommend me??

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LoKKeR said:
So only if i modify the kernel the battery can last less. right?
So What do you recommend me??
Click to expand...
Click to collapse
well don't touch kernel parts as you are using cf-root for kernel
stuffs you can do-->
clean useless stuffs
apply some existing tweaks
make your own tweaks if you can make
theme it by your own as most market themes are used by most users
include some apps [not warez]
and some more thingsssss you can think of

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madman_amit said:
well don't touch kernel parts as you are using cf-root for kernel
stuffs you can do-->
clean useless stuffs
apply some existing tweaks
make your own tweaks if you can make
theme it by your own as most market themes are used by most users
include some apps [not warez]
and some more thingsssss you can think of
Click to expand...
Click to collapse
Ah, all right thanks. But i can't understand you, sorry i don't know very well english language. I do not have to modify the kernel if I want more battery. But i can use the cf root kernel??
Ah and please help my with android kitchen.
I want to create a cust rom but with the speed of the cyanogenmod. Because stock roms are slow.

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Plese help my, i realy need help!!
Anyway the boot.img of a firmware smasung is 8MB!!!!!! So why CWM can install only boot.img < 4MB???
Please I have tryed again, error status 7. Boot img too big. But i use the boot.img of the samsung firmware!!! What boot.img i have to use. That's very stupid....

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-.- Please answer to me!!!... I can create it only today because tomorrow i'll be in mountain.

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i think the previos poster wanted to say that you have to write the boot.img simply and clean... so that you dont need the 8mb
if you want more batterylife just delete the unused commands in the kernel and/or undervolt the cpu... i dont know it the ace like undervolting but it is a good option to save batteryjuice

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LoKKeR said:
Plese help my, i realy need help!!
Anyway the boot.img of a firmware smasung is 8MB!!!!!! So why CWM can install only boot.img < 4MB???
Please I have tryed again, error status 7. Boot img too big. But i use the boot.img of the samsung firmware!!! What boot.img i have to use. That's very stupid....
Click to expand...
Click to collapse
The boot.img from Samsung firmware is for use in Download Mode .
Herpderp Adreno + Tegra.

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So what boot.img i should use??? Please be fast to answer i don't have much time. Sorry.

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Nui_ said:
i think the previos poster wanted to say that you have to write the boot.img simply and clean... so that you dont need the 8mb
if you want more batterylife just delete the unused commands in the kernel and/or undervolt the cpu... i dont know it the ace like undervolting but it is a good option to save batteryjuice
Click to expand...
Click to collapse
Mmmm... and if i use the cf-root kernel??

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LoKKeR said:
So what boot.img i should use??? Please be fast to answer i don't have much time. Sorry.
Click to expand...
Click to collapse
as i said try to use boot.img from cf-root directly
that might work well

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can anyone tell me how can I change the Kernel... how it works with the Boot.img from this kernel. must I modified the ROM Boot.img or I can override this in the working folder??

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madman_amit said:
as i said try to use boot.img from cf-root directly
that might work well
Click to expand...
Click to collapse
And i can use it in the xda-androidkitchen??
Anyway there is a method to modify cm7 to use less battery?? Because cm7 roms uses more battery than stock rom (why?).

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LoKKeR said:
And i can use it in the xda-androidkitchen??
Anyway there is a method to modify cm7 to use less battery?? Because cm7 roms uses more battery than stock rom (why?).
Click to expand...
Click to collapse
about kitchen you can try it..
you can't change battery consumption of cm7 [if it was possible would have been implemented so far]
why ?? don't know
at the end you don't need to modify boot.img of ketut as you are using them directly..
if you are making kernel by yourself then only you need to care about packaging boot.img

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If you're making a custom stock , use CF-ROOT's boot.img .
If you're making CM7 , use CM7's boot.img .
Herpderp Adreno + Tegra.

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Oh thanks Now i'll use android kitchen with cf-root.
Now i need some tips.
I want to use 2.3.5. I have the firmware and i can open it with 7-zip.
What files i need to extract and use? Only system.rfs?