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Kernel numbers. Baseband, Buildnumber. What do they mean?

Hello.
From my post number you can understand that i am pretty new to the android world. So from my short understanding,
Kernel=The core of the OS
Firmware=The entire OS including the core .
Correct me on the above if am wrong.
Now lets get on topic. I want to root and then bring my phone to the factory default kernel or firmware if that makes a difference.
Looking at my phone status and on topics like :
http://forum.xda-developers.com/showthread.php?t=1075278 and
http://forum.xda-developers.com/showthread.php?t=1101671
i see a lot of numbers that i dont understand.
First of all lets talk about my phone.
Baseband Version: I9100XXKI1
Kernel Version: 2.6.35.7.19100XWKI4-CL575468
Build Number: Gingerbread.XWKI4
1) The KI4 specifies the firmware version ? If yes why in the baseband i have KI1 while one the build number KI4 ? (i had KE7 before upgrading with KIES)
2) If i would like to download the original firmware from the thread i posted above i should go for the following as described below ? Even here, The Phone says XXKI1 while PDA XWKI4 . On which should i be interested and what is each of them .
XWKI4
Firmware info
PDA:XWKI4
PHONE: XXKI1
Date: 14/09/2011
Android 2.3.4
3) Even on the XWKI4 on the above thread, there are several links, OXX MultiCSC(AUT, COS, ...), DBT (Germany), XEU (UK) , XWKI4 Stock Kernel etc. My phone was imported from Germany, does it really matter what download link i chose ? What is again the difference in them.
4) Now about kernels. For an insecure kernel i should go for the GT-I9100_XWKI4_insecure ?
5) As last , to restore back to the factory default firmware (or kernel), i need to download the original kernel from the above thread i posted which would be ( GT-I9100_XWKI4_original) , or i can simply apply the firmware which would add also the firmware and would replace it without any problem ?
Thank you very much in advance.

no one knows the answer of any of the 4-5 points ?

rockreactor said:
Hello.
1) The KI4 specifies the firmware version ? If yes why in the baseband i have KI1 while one the build number KI4 ? (i had KE7 before upgrading with KIES)
Click to expand...
Click to collapse
Because you can see the baseband (modem) as an own package in the rom.
Sometimes the rom gets updated and the modem doesn't thats why the numbers are different.
You can also flash just another modem and keep the rest of the rom.
rockreactor said:
2) If i would like to download the original firmware from the thread i posted above i should go for the following as described below ? Even here, The Phone says XXKI1 while PDA XWKI4 . On which should i be interested and what is each of them .
XWKI4
Firmware info
PDA:XWKI4
PHONE: XXKI1
Date: 14/09/2011
Android 2.3.4
Click to expand...
Click to collapse
Looks good, just write down what kernel/modem/rom you have atm and get one with the same specs among the the original firmwares.
rockreactor said:
5) As last , to restore back to the factory default firmware (or kernel), i need to download the original kernel from the above thread i posted which would be ( GT-I9100_XWKI4_original) , or i can simply apply the firmware which would add also the firmware and would replace it without any problem ?
Click to expand...
Click to collapse
If you flash the original firmware it will contain the original kernel.

[Q] i9505 bootloader xxuena1

hello, i'm new .....
i have samsung s4 i9505
bootloader xxuena1
baseband xxuena1
pda xxuena1
csc dtmemj8
i want flash te new custom rom imperium but not shure the bootloader is correct...
please help me !!!
sorry for my english

derio.ts said:
hello, i'm new .....
i have samsung s4 i9505
bootloader xxuena1
baseband xxuena1
pda xxuena1
csc dtmemj8
i want flash te new custom rom imperium but not shure the bootloader is correct...
please help me !!!
sorry for my english
Click to expand...
Click to collapse
Hello! You are right that bootloader does not look like the correct info, i believe it belongs to a galaxy note 2 with a quick google search, now since its running whatever boot-loader that is, are you sure this is a 100% real galaxy s4 and not fake? if you are 100% sure it is, go here Sammobile.com (to download firmware you have to create a account i know its stupid) once thats done go to firmware at the very top, about in the middle of the page where it says "Search device here" type in your model number (make sure you have the right model number, take the battery out of the phone and read what it says where the battery is supposed to go, its a international model right?) now a bunch of places will show up, find the correct place where you are living currently, here are the instructions on how to put this stock firmware (and hopefully giving you the right bootloader) on your phone: WARNING this will factory reset your phone basically (be careful with custom roms you can too but you can backup your stock rom first) so back up everything you need on your phone because its all being deleted:
Instructions
Extract (unzip) the firmware file
Download Odin v3.09 https://mega.co.nz/#!UdRRyCAT!H4FyVxYynNWvXqRNmnpMGQRCP-dG3uykgP2pT4rh8Ek
Extract Odin zip-file
Open Odin v3.09
Reboot phone in Download Mode (press and hold Home + Power + Volume Down buttons)
Connect phone and wait until you get a blue sign in Odin
Add the firmware file to AP / PDA
Make sure re-partition is NOT ticked
Click the start button, sit back and wait a few minutes
once thats done you should be on the Correct bootloader and be able to root/ install custom recovery on your phone for that custom rom you wanted. good luck! if you have any questions please reply back! dont be afraid to ask!

Tanks for fast reply,
i buy this phone used from germany(t-mobile) under battery print model :gt- i 9505.
i hope it's correct . How can verify this ? I have installed a root permission and cwm recovery whit philz
Sent from my GT-I9505 using XDA Free mobile app

derio.ts said:
Tanks for fast reply,
i buy this phone used from germany(t-mobile) under battery print model :gt- i 9505.
i hope it's correct . How can verify this ? I have installed a root permission and cwm recovery whit philz
Sent from my GT-I9505 using XDA Free mobile app
Click to expand...
Click to collapse
so you are able to boot? if so i would grab a app like https://play.google.com/store/apps/details?id=com.antutu.ABenchMark and run the tests to see if you have the same hardware a Galaxy s4 is supposed to have,

Samsung Galaxy A8 2018 UAE Version Volte Issue In India

Has anyone succeeded in enabling volte for this model. Especially in India it doesn't work with Reliance Jio simcard.
Can someone advice about this?

How to change CSC on A8/A8+ 2018
lego09 said:
Has anyone succeeded in enabling volte for this model. Especially in India it doesn't work with Reliance Jio simcard.
Can someone advice about this?
Click to expand...
Click to collapse
I imagine you need to change your phone CSC's. To do that you need a PC with Windows and an internet connection (you need Latest Odin3 and Samsung USB Drivers), your Galaxy A8 with its USB-C to USB cable, latest official firmware for your model and csc and the Factory Firmware tar for your phone and with correct bootloader rev (to know what's your current bl rev download "Phone Info ☆Samsung☆" app from Play Store and check your Bootloader version inside it, the bootloader rev is after the phone model number and fw country/type; ex. A530FXXU3):
- A530F Rev 1
- A530F Rev 2
- A530F Rev 3
- A730F Rev 1
- A730F Rev 2
- A730F Rev 3
If you downloaded and installed all the needed, do a backup of all your data and files, then follow those steps:
1. Boot your phone in Download mode
2. Open Odin3 as Administator, go in "Options" tab and enable Auto Reboot and Re-Partition, then click on the AP button and select the COMBINATION tar file you downloaded previously
3. Connect your phone to your pc and click the Start button in Odin3, flash should start
4. You phone now should boot in Factory Firmware. Select IMEI option at the bottom of the screen to bring up the dial pad, then dial *#243203855#
5. Select your new CSC code (in your case INS) and wait for it to install and reboot
6. Wait for phone to reboot and do a Factory Reset in Settings app
7. Reboot to Download mode again and setup Odin3 like before
8. You now need to flash your official firmware, so put all the tars from the firmware you downloaded on their section (AP inside AP, BL inside BL, CP inside CP and CSC inside CSC)
9. Connect back your phone in your pc and click Start in Odin3
Your phone should now be back to the Stock Firmware and with the correct CSC set, to check it go inside Settings>About phone>Software info>Service provider SW ver. and check if the first CSC sales code matches the one you choosen previously.
Greetings!

BlackMesa123 said:
I imagine you need to change your phone CSC's. To do that you need a PC with Windows and an internet connection (you need....Greetings!
Click to expand...
Click to collapse
Thanks for your detailed reply. Unfortunately there is no official INS firmware available for this model as it's not been launched in India. I tried flashing it with other countries firmware but it didn't work. Is there any other way?

lego09 said:
Thanks for your detailed reply. Unfortunately there is no official INS firmware available for this model as it's not been launched in India. I tried flashing it with other countries firmware but it didn't work. Is there any other way?
Click to expand...
Click to collapse
You can try to flash A530F AP, BL, CP tars with A730F INS CSC tar. If it doesn't works you unfortunately need to root your device to install the correct csc in system (the guide I explained before is for non-rooted devices)

BlackMesa123 said:
You can try to flash A530F AP, BL, CP tars with A730F INS CSC tar. If it doesn't works you unfortunately need to root your device to install the correct csc in system (the guide I explained before is for non-rooted devices)
Click to expand...
Click to collapse
Thanks again. Should I wipe all the data before doing this?

lego09 said:
Thanks again. Should I wipe all the data before doing this?
Click to expand...
Click to collapse
Data is wiped anyway during the guide, so as you wish lol

BlackMesa123 said:
Data is wiped anyway during the guide, so as you wish lol
Click to expand...
Click to collapse
Wasn't successful. So doing rigorous R&D.

Has anyone succeeded by rooting the device? @BlackMesa123 can you suggest on this?

lego09 said:
Has anyone succeeded by rooting the device? @BlackMesa123 can you suggest on this?
Click to expand...
Click to collapse
It's like one month we are behind it actually lol, but since recently you can finally root safely your device with flashing my TWRP 3.2.3+Magisk v17.1. Would suggest to flash my custom kernel also (MCK), but I wanna suggest to wait till' next version comes out since there will be a lot of under-the-hood improvements over the current version (v1.2)

Updates
Hi,
Any luck regarding this?

Anson paul said:
Hi,
Any luck regarding this?
Click to expand...
Click to collapse
As I said previously, you need to set the correct CSC sales code in your device in order to get the features you need for your country/SIM. To do that you can follow the guide I wrote above or, if you're rooted, you just can edit the "/efs/imei/mps_code.dat" file and replace the current CSC with the one you prefer.

Just to say I on honk Kong but I modified a USA s8 csc and I have had voltie working.
Screenshot below.

mchlbenner said:
Just to say I on honk Kong but I modified a USA s8 csc and I have had voltie working.
Screenshot below.
Click to expand...
Click to collapse
How did u do that? Can u explain the steps?

My mod would only work on t.mobile USA.
I not going to try to teach people how to mod or hack.
If not done right it will brick you.

mchlbenner said:
My mod would only work on t.mobile USA.
I not going to try to teach people how to mod or hack.
If not done right it will brick you.
Click to expand...
Click to collapse
OK, so carrier locked a8 2018 model?

I bought a8 2018 from indonesia unlocked but VOLTE is not working in India. Any suggestions on how to get VOLTE working?

[GUIDE] How to change S9/S9+ CSC (Only Same Model Number's CSC)

How to change S9/S9+ CSC (Only Same Model Number's CSC)
Hi I will tell you how to change S9/S9+ CSC simple.
You can change to the same Model Number's CSC.
You don't need a special UART Cable.
It's simple to changing using RealTerm or PuTTY with any Type-C cable.
(I recommend Samsung's bundle cable in the phone box.)
Install Smart Switch and RealTerm or PuTTY.
I will tell you using RealTerm.
And you will need SamFirm to download Stock Firmware.
1. Find Your Model's Combination File by yourself!
And Flash by Odin.
2. If your phone shows your Model Number after boot.
Run RealTerm and go to Port tab.
Set Baud to 230400 and Select Port to ssudmdm0000 or very similar name.
3. Go to Send tab.
Enter "AT" and click Send ASCII.
If you get a response like
+USB READY
BOOTING COMPLETED
AT
or
AT
or
OK
or
BOOTING COMPLETED
AT
Proceed to the next number.
If you didn't get a response click +CR and send again.
If you get a response like "ERROR" proceed to the next number.
Still if you didn't get a response check your phone status and cable status.
If everything is normal proceed to the next number.
If still you didn't get a response it mean's your phone or cable is not normal status.
4. Enter "AT+PRECONFG=1,0" and click Send ASCII.
You will get this response.
AT+PRECONFIG=1,0+PRECONFG:1,???
OK
??? is your current CSC.
5. Enter "AT+PRECONFG=2,???" and click Send ASCII.
Enter ??? you want to change to another CSC.
You will get this response.
AT+PRECONFG=2,???+PRECONFG:2,OK
OK
??? is your changed CSC.
6. Enter "AT+PRECONFG=1,0" and click Send ASCII.
You will get this response.
AT+PRECONFIG=1,0+PRECONFG:1,???
OK
??? is your changed, current CSC.
7. Flash Changed CSC's Stock Firmware.
Congratulations!
You changed CSC for free by yourself!
Special Thanks to "HD Voice"
(He finded this method even without having a S9/S9+. Just a normal Korean User LOL)

"???" enter SPR or VZW ..ct?

when i enter "AT + PRECONFG = 1,0 ",
displayed"AT + PRECONFG = 1,0 " no displayed what you said

Lee1315 said:
"???" enter SPR or VZW ..ct?
Click to expand...
Click to collapse
Yes enter you want to change.

Lee1315 said:
when i enter "AT + PRECONFG = 1,0 ",
displayed"AT + PRECONFG = 1,0 " no displayed what you said
Click to expand...
Click to collapse
Did you flashed Combination firmware?

will this work on exynos note 9?

wire.rat said:
will this work on exynos note 9?
Click to expand...
Click to collapse
Yes.

Just need to flash the combination file directly? no need to flash home_csc together right

Hi applypay,
Thank you! I tried this on my S9 Exynos G960F/DS, Taiwan (BRI) stock.
However the Combination Rom must be installed first, otherwise "AT+PRECONFG" command will return nothing.
Once "AT+PRECONFG=2,???" is done, then install whatever local Rom to use, and for me it worked.

wire.rat said:
Just need to flash the combination file directly? no need to flash home_csc together right
Click to expand...
Click to collapse
Yes.

chua said:
Hi applypay,
Thank you! I tried this on my S9 Exynos G960F/DS, Taiwan (BRI) stock.
However the Combination Rom must be installed first, otherwise "AT+PRECONFG" command will return nothing.
Once "AT+PRECONFG=2,???" is done, then install whatever local Rom to use, and for me it worked.
Click to expand...
Click to collapse
Good!

applepay said:
Did you flashed Combination firmware?
Click to expand...
Click to collapse
I used odin the firmware a few days ago .You meant flash the firmware ,once the phone reboot,do these immediately?

applepay said:
Did you flashed Combination firmware?
Click to expand...
Click to collapse
It work ,thank a lot ,I just misunderstanded what you said because I 'm weak in English.I use Google Translate ,so meet trouble .
thank again.

I can't find combination file for my model
it's
Model : SM-G965F/DS
PDA: G965FXXU2BRJ1

Lee1315 said:
I used odin the firmware a few days ago .You meant flash the firmware ,once the phone reboot,do these immediately?
Click to expand...
Click to collapse
Yes.

Splinterissou said:
I can't find combination file for my model
it's
Model : SM-G965F/DS
PDA: G965FXXU2BRJ1
Click to expand...
Click to collapse
Here.
https://shell.boxwares.com/Download.aspx?L=8078

what is the method for device with single CSC firmware?
I used to extract sec_csc.zip or sec_omc.zip from a different phone and then flash from recovery.

Matvei27 said:
what is the method for device with single CSC firmware?
I used to extract sec_csc.zip or sec_omc.zip from a different phone and then flash from recovery.
Click to expand...
Click to collapse
It's simple.
Just flash on Odin.

Matvei27 said:
what is the method for device with single CSC firmware?
I used to extract sec_csc.zip or sec_omc.zip from a different phone and then flash from recovery.
Click to expand...
Click to collapse
It's simple Just flash on Odin

Not possible. I have CHC only phone and want to change to TGY. Only firmware available is CHC. I used to take sec_csc.zip from a totally different phone and flash, but it seems like csc are no longer flashable?
SM-W2018 used sec_csc.zip so I took tgy zip from S7 edge and flashed in stock recovery . W2019 has ODM partition, not a zip, so I don't know how to flash another phone's CSC

[GUIDE][SAMSUNG] Enable Built-In Call Recording in any country [No ROOT][No Bootloader Unlock]

Let's Get Started by saying: I'm not resoponsible for brick, loss or any damage to your phone. So backup!
Pre Requirements:
a. A Windows PC with internet connection.
b. Odin Patched Here
c. HOME CSC file of Indian / Thailand / Vietnam Region. You can get firmware of your phone from samfw.com or any other website.
Make sure that the bootloader version on your phone and the one you download are same. For example, A515FXXU4CTJ1 has bootloader version 4 (that's fifth digit from the right). So you have to download a firmware which has same bootloader version.
P.S. We don't need full firmware, Only the file name beginning by "HOME_CSC" is needed.
Working:
1. Eject the SIM Card(s)
2. Go to Settings -> Apps -> Calendar -> Storage -> Clear Data.
3. Put your phone into download mode.
4. Run the Odin....exe (downloaded in step b) as administrator
5. Click CSC and select the HOME_CSC file obtained from step c in Pre-Req.
6. Click "Start".
7. When phone reboots, Repeat step 2.
All done. You can insert SIM Card(s) and use Call Recording.
Notes:
You'll be ondifferent region's CSC after this.
Phone will not factory reset and you won't lose any data after this.
You might not be able to get system updates after this. In order to get them you'd have to flash your region's CSC, then update, then flash custom CSC again.
Tested working on:
Samsung A51 (Android 10)
Samsung A50 (Android 10)
Samsung M21 (Android 11)
You tell

zubair1836 said:
Let's Get Started by saying: I'm not resoponsible for brick, loss or any damage to your phone. So backup!
Click to expand...
Click to collapse
Hi I tried your message but I got an error on my phone along the lines of : secure check fail cache (1). I tried with the odin version you linked and I was thinking about trying a version v3.14 patched that I found here on XDA. Any ideas?
My phone is fine it does seem to restart to a thing with the cyan download background saying "An error has occured..." but I can restart and then hit volume key saying 'reset phone' which just boots the phone normally.

n4noAbyss said:
Hi I tried your message but I got an error on my phone along the lines of : secure check fail cache (1). I tried with the odin version you linked and a version v3.14 patched that I found here on XDA. Any ideas?
My phone is fine it does seem to restart to a thing with the cyan download background saying "An error has occured..." but I can restart and then hit volume key saying 'reset phone' which just boots the phone normally.
Click to expand...
Click to collapse
This happens when you use a non Patched odin. Make sure you're using the one from link in OP. BTW, which phone is it?

zubair1836 said:
This happens when you use a non Patched odin. Make sure you're using the one from link in OP. BTW, which phone is it?
Click to expand...
Click to collapse
It's G991U1, with 1ATLI so I downloaded 1AUB8 (THL) to try to flash the HOME_CSC, I'm 100% sure I tried with the odin you linked (also your one has same CRC SHA-1 as the the one linked in the XDA thread). Maybe I need to try with the updated patcheD odin (v3.14.1_3B) I didn't do that yet.

n4noAbyss said:
It's G991U1, with 1ATLI so I downloaded 1AUB8 (THL) to try to flash the HOME_CSC, I'm 100% sure I tried with the odin you linked (also your one has same CRC SHA-1 as the the one linked in the XDA thread). Maybe I need to try with the updated patcheD odin (v3.14.1_3B) I didn't do that yet.
Click to expand...
Click to collapse
I believe everything's right then. Can't identify the issue though.
I guess, trying updated version might help.
Good luck!
If problem persists after trying updated version. Please share screen when phone is in download mode.

I had kept this thread in my bookmarks since I was buying the A52 4G on Amazon.ca and absolutely wanted Call Recordings (officially we shouldn't be able to get the A52 4G in Canada, only the 5G version is officially here, so it's an import).
But as luck would have it, it's the SM-A525M and already has Call Recording enabled in it. So that saves me some trouble. But thanks for this guide! I may not have needed it in the end, but would've totally relied on it otherwise.
If I'm understanding this right, my firmware is A525MUBS1AUD1. Brazil's ? It's Android so it has every languages built-in regardless and there's no carrier specific apps in it either, so that's great.

tried on A52 4G all flashed fine
but the csc did not changed and no call recorder

tridi001 said:
tried on A52 4G all flashed fine
but the csc did not changed and no call recorder
Click to expand...
Click to collapse
Well, That's unlucky then; it's unavailable on certain devices.