Need some help please regarding flashing roms

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sorry about this thread but i am getting a bit confused with flashing roms on my s2. my handset is not even 3 weeks old and i am already sending it back due to the drainage of the battery. what i mean by that is that i must of flashed the handset like over 40 times till i found the rom that would not drain my battery so fast. i tried cognition, villainrom, batista and everything and my battery was going like hell. within like ten minutes of just having wifi on and just doing my normal browsing my battery from fully charged went down to 85% and that is with data package off and hardly any widgets on. and all the time my display was the highest thing in my battery stats taking the most usage of my battery.

anyway i am sending the handset back and hopefully they will send me a new one. what i need to know is that can install any rom on my new handset once i receive it or do i need to find one which matches my firmware. ie say im ke7 do i need to find a rom with baseband ke7 or can i just flash it anyway say with kg6 baseband?]

sorry if my questions sound stupid i just do not want to flash for the sake of it if its going to harm my handset again.

cheers

Multiple flashing is a bad move to solve battery drain .

You can flash any rom .

Baseband is the modem not the firmware .

Why mess up the phone the minuet you get it in your hands again .Far better to read and learn how and what.


better battery stats .
http://forum.xda-developers.com/show....php?t=1179809

Applications safe to remove .
http://forum.xda-developers.com/show....php?t=1069924

Remove Samsung Apps script .

http://forum.xda-developers.com/show....php?t=1108479



jje

thanks for replying back JJ and yeah i kinda realized now that it was a bad move flashing alot but can you help me with this then. why is it when i flashed a custom rom my display was sky high in battery usage display and now that im back on stock its normal and i mean 30% and lower?

i had an iphone 4 and was into my jailbreaking and etc but i feel like rooting and flashing is a whole lot more confusing or shall i say pro wise.

[QUOTE=JJEgan
Baseband is the modem not the firmware .

but does the baseband matter in what rom to flash though? say i have ke7 baseband do i need to find a custom rom with ke7 or can i upgrade it to the baseband the rom comes with?

[QUOTE=tjoannou2001;16449852][QUOTE=JJEgan
Baseband is the modem not the firmware .

but does the baseband matter in what rom to flash though? say i have ke7 baseband do i need to find a custom rom with ke7 or can i upgrade it to the baseband the rom comes with?[/QUOTE]

No you can use any modem and even flash it on its own .
KG3 7 KG6 probably the best current modems .

A flash requires two further processes . One charge battery fully . Two zero battery stats then the phone must be used for a week or so to get an accurate indication of battery life .

I believe the key to good battery life starts with a good overnight battery drain when the phones is sleeping . If the drain is high here its going to be even higher in use . Aim for 2% drain over twelve hours sleep if its about 20% then stuff is connecting or waking the phone up .

jje

i have already sent the handset bk today so hopefully they will send me the new one by the end of the week. problem is when i put the stock rom back in and upgraded the firmware through kies officially everything on my battery stats looked normal. so i really do not what the problem was with the handset when i flashed a custom rom and made the battery drain quickly? and also worried that seeing that they might send me the handset back and then i would not be able to flash a custom rom? whats your advice please JJ

Wait and see is all i can say .

jje