Question S23 - call recording - possibility of changing CSC ?

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hoss_n2

Senior Member
Why those two values doesn't change with csc changing, what does they mean , and is there any way to change them to match current CSC ?
 

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ChoSmile

Senior Member
Feb 9, 2011
212
162
Sofia
INS OTA (S91*BXXS1AWBM - just security) also available for S23 (SM-S911B) / S23+ (SM-S916B) / S23 Ultra (SM-S918B) models
 
Why those two values doesn't change with csc changing, what does they mean , and is there any way to change them to match current CSC ?
more informations here:

 
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hoss_n2

Senior Member
more informations here:

Aaah ok I understand now thanks , so these values are fixed and unchangeable
 

Top Liked Posts

  • 1
    The latest version of SamFw tool that's safe to use from virtual machine is 3.31 and I managed to change CSC with it on S23.

    Versions from 4+ require updating firmware and from 4.3+ require installation and block running from virtual machine. VirusTotal flags installer as trojan from 10 vendors. It's a pity samfw.com went this way.
  • 5
    Do no update to S91*BXXS2AWEA
    The firmware is not signed by Google Play Protect - so phone become UNCERTIFIED and Google Pay stops, other SafetyNet dependent also.

    At the moment only THL CSC is pushed to ...WEA. Others (at the moment) are on WD1.

    TThe is nonoption to downgrade because this is first firmware with new 2 bootloader.

    Deleting, Unistalling, Clearing data, even Factory reset do NOT avoid uncertified status.

    (There is a chance for updating Play Protect but it's less likely before Samsung new firmware.)

    Current option for already updated to WEA:
    Just wait for new WEx (after A) or WFx firmware.
    3
    I add attachment SamFW v3.1 which is clean and works with S22 and S23 without any problem.
    2
    Do no update to S91*BXXS2AWEA
    The firmware is not signed by Google Play Protect - so phone become UNCERTIFIED and Google Pay stops, other SafetyNet dependent also.

    At the moment only THL CSC is pushed to ...WEA. Others (at the moment) are on WD1.

    TThe is nonoption to downgrade because this is first firmware with new 2 bootloader.

    Deleting, Unistalling, Clearing data, even Factory reset do NOT avoid uncertified status.

    (There is a chance for updating Play Protect but it's less likely before Samsung new firmware.)

    Current option for already updated to WEA:
    Just wait for new WEx (after A) or WFx firmware.
    Argh already did the update and after the first 3 payments it's now blocked...
    If you manage to get it to work please let us know!
    2
    Feel your pain - changed csc the same day (just after) the csc was released. Phone had been great til then too 😬
    1
    I change CSC to ILO and record call working good but my samsung calendar marked Friday and Saturday as a weekend day 😀. Is it possible to changed weekend days colors?

    it's a ILO CSC configuration so if you are not rooted you can't change it
    if you are rooted change XXXXBRX to XXXXXXX or delete the line

    S918B ILO calendar.PNG


    you can change your CSC to INS SEK SLK THL or XXV
  • 10
    Can you give me an easy and specific guide to do it? I've never done it this way before. Only with samkey. Have you installed Sek on the s23 ultra?
    Yes , I used samfw for first time in my s23 ultra. The procedure is very easy and safe. I tried INS but then I changed to SEK for the reasons I explained before.
    In short:
    1. You enable ADB in your phone
    2. You download samfw to your windows PC and run it.
    3. Connect your s23 ultra with the PC through a cable.
    4. Run samfw , and press Tab adb in the program (it is the third tab in the upper place of the app).
    5. You will see a pop up menu with all available XOM multi- csc .
    6. Choose and right in the appropriate box the one you want (INS ,SEK etc).
    7. Press "change csc"
    8. It will appear a prompt saying dial *#1234#* (or something like that ) while the screen of your phone is looking like being in check mode( like the one you have in Samsung Member app when you want to make a check for some function).
    9. That's it. In seconds you have your new scs without data wiped!
    10
    Better:
    INS - callrec, callerID, spay
    THL - callrec, callerID
    XXV - callrec, spay
    6
    Short representation of current latest firmware S918BXXU1AWBD

    FYI (for your information):
    S918 - model
    B - region (U or U1 - US, W - Canada, 0 or 8- China, N - South Korea, B - Europe, E - rest world (for S23* B merged with E)
    XX - free, or operator specific
    U - updated features (OR) S - security only
    1 - bootloader version (firmware can be updated/downgraded only to same or bigger bootloader version)
    A - Android/UI sequence version - starts from A, B, C, ... (Z - beta test)
    W - year (... U - 2021, V - 2022, W - 2023, X - 2024, ... )
    B - month (A - January, B - February, ... L - December)
    D - internal compilation of the month (1...9,A...Z)
    5
    Do no update to S91*BXXS2AWEA
    The firmware is not signed by Google Play Protect - so phone become UNCERTIFIED and Google Pay stops, other SafetyNet dependent also.

    At the moment only THL CSC is pushed to ...WEA. Others (at the moment) are on WD1.

    TThe is nonoption to downgrade because this is first firmware with new 2 bootloader.

    Deleting, Unistalling, Clearing data, even Factory reset do NOT avoid uncertified status.

    (There is a chance for updating Play Protect but it's less likely before Samsung new firmware.)

    Current option for already updated to WEA:
    Just wait for new WEx (after A) or WFx firmware.
    4
    S23 Ultra (SM-S918B) INS csc - new OTA ...WBD
    Call rec, Call ID/spam, SPay - works.