[Q] About kernels and basebands - XPERIA X8 Q&A, Help & Troubleshooting

I've searched the forums but to no avail, so I'll just ask this here. I'm interested in changing the ROM of my Xperia X8 (E15a). With S1Tool I checked whether I could unlock the bootloader of my device, however the certificate is not recognized so that's a no-go for me. For this reason I'm stuck with stock kernels only.
Here is my device info:
Code:
Model number: E15a
Firmware version: 2.1-update1
Baseband version: M76XX-TSNCJOLYM-53404006
Kernel version: 2.6.29 [email protected] #1
Compilation number: 2.0.1.A.0.47
Here's when it gets confusing. All the ROMS I find here on xda say that I should use a baseband that ends in 015 and if I don't have that baseband, I should update with PC Companion to the latest one. PC Companion says that my device is already up to date, so I can't get another baseband. So I thought of trying flashing with FlashTools a baseband that actually ends with 015. However I read that that basebands work with specific kernels, so my best guess is that I should find a baseband for kernel 2.6.29, right? Well, I'm out of luck cause I can't seem to find that thing.
So, basically the question is: How do kernels and basebands are related and what should I do if for instance I want to install this ROM: http://forum.xda-developers.com/showthread.php?t=1079463... should I flash a older kernel for which a baseband with 015 does exists or what?
Thanks in advance

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Build #: FROYO.UCJI6
Now I cannot use the root.zip to root my phone? can someone help
Wrong odin.
Try this
http://www.fileserve.com/file/emnCn2j
you are on leaked froyo
can you direct me to a valid link for the correct Odin
http://www.fileserve.com/file/emnCn2j
Thank you very much that fixed it!

Debranded Rom?

Hi i have just bought a Samsung Galaxxy S on the 3 network, i have rooted it and unlocked the network as i am O2
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firmware version 2.2
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Thanks
Latest jvs.
Download from samfirmware.comcom
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Regards mimic
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[Q] no FW update available, pls help

i buy this phone yesterday in Orange Slovakia,
everything is stock,just brend new from the box, i have the kernel -
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I9001XXKG3
GINGERBREAD.XXKG3
what means perf root in this kernel pls?
i found this 2.3.5 rom - http://forum.xda-developers.com/showthread.php?t=1313144
i just wanna know if i can flash this rom on my device cuz there are few 2.3.5 roms with different baseband like XXKPG,XXKPJ,XXKP4.XKJ2 and so on,
list of stock ROM is here - http://forum.xda-developers.com/showthread.php?t=1346245
can someone pls explain me what is different in those baseband and finaly wich one from 2.3.5 roms can i flash ? I9001XXKPG or I9001XXKPJ
after i flash one of those 2.3.5 is my warranty void? and how can i return to my stock one?
i try to update my FW via Samsung KIES, also try searching via phone and no updates are available for my device, WHY?
thx a lot for reply,
regards
can i just follow these instructions - http://androidadvices.com/samsung-galaxy-i9001-steps-install-gingerbread-235-xxkpg-firmware/2/
i found that flashing this 2.3.5 will void my warranty, to return back to original i will need to flash the old XXKG3 2.3.3 exact same way using odin app?

[Q] best GB or ICS rom which is networked unlocked

i have got a samsung captivate with this official rom "i897uckk4 Odin One Click CONTAINS Bootloaders, Re-partition, Full Wipe" instaled on it today.....
it contains all latest boot loader kernals etc.....
but it is country lock ... it seems to need a sim network unlock pin....
please let me know a good & a stable gb or ics rom for my device which should be network unlocked.....
my device details are
model: samsung sgh-I897
firmware version: 2.3.5
baseband version: I897UCKK4
kernel version: 2.6.35.7-I897UCKK4-CL614489
build number: gingerbread.uckk4
You unlock the phone when on stock, roms themselves are not locked or unlocked.
Search the market for the app "galaxy_s unlock" and use it after rooting. The flash custom. It is hard to unlock on icS rom, must manually hex edit file... Ew.

[Q] AT&T Samsung Captivate Eclaire Unregistered Device

Model Number: SAMSUNG-SGH-I897
Firmware Version: 2.1-update1
Baseband Version: I897UCJE4
Kernel Version: 2.6.29 jetaek.lee(at)sep-11 #2
Build Number: ECLAIR
Help me please.my samsung captivate cannot be update and its rooted. i dont want to hard reset it because my sim will be lock again. how can i update my device?
lightning25 said:
Model Number: SAMSUNG-SGH-I897
Firmware Version: 2.1-update1
Baseband Version: I897UCJE4
Kernel Version: 2.6.29 jetaek.lee(at)sep-11 #2
Build Number: ECLAIR
Help me please.my samsung captivate cannot be update and its rooted. i dont want to hard reset it because my sim will be lock again. how can i update my device?
Click to expand...
Click to collapse
What exactly are you trying to do? Update through Skies?
You could get on stock KK4 (Gingerbread) with this: http://forum.xda-developers.com/showpost.php?p=18370912&postcount=3
But before you do so, you have some reading to do!
Oh and once unlock, always unlock. You don't have to worry about your sim being locked (and in the worse case, remove it before doing the reset).

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