Question Your current software version isn't supported. Visit a service center.. sm-r915u

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R4T5UN280

Member
Nov 20, 2013
13
6
Just bought this watch a couple weeks ago on ebay. Went to try to update today and got the error "Your current software version isn't supported. Visit a service center." Anyone seen this before on a GW5, and/or know what to do to be able to update the software on it? I've reached out to the eBay seller and haven't gotten a reply back yet.
 

adfree

Senior Member
Jun 14, 2008
10,553
6,130
Samsung Galaxy Watch 4
Samsung Galaxy S22
Can you give more infos?

A
Firmware Version?

Easiest way:
Code:
*#1234#

Post result...

B
You know your active CSC?

Visible for instance on Software... Developer Mode trick...

I mean this tap tap thing on Software info to enable Developer Mode for ADB etc...

Best Regards
 

R4T5UN280

Member
Nov 20, 2013
13
6
Can you give more infos?

A
Firmware Version?

Easiest way:
Code:
*#1234#

Post result...

B
You know your active CSC?

Visible for instance on Software... Developer Mode trick...

I mean this tap tap thing on Software info to enable Developer Mode for ADB etc...

Best Regards
Ok I did the *#1234# and this is what I got

AP: R915USQU1AVK6
CP: R915USQU0AVD5
CSC: R915UOYM1AVK6
I do have developer mode enabled. Is this the active CSC you need?
Pic to verify I'm in the correct place
 

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adfree

Senior Member
Jun 14, 2008
10,553
6,130
Samsung Galaxy Watch 4
Samsung Galaxy S22
As example how FOTA aka over the air "work"...

It is simple database request by CORRECT text strings...

As example XAA as (active) CSC...

CP: R915USQU0AVD5

If really D instead K... then your modem.bin is not correct... older as the othe Firmware Files.

At this point I can NOT help you... I have no Firmware for this Model... to flash with netOdin.

IMHO cheapest way... go to any Samsung Service... or ask Samsung.

It is not the fastest way... but...

Best Regards
 
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R4T5UN280

Member
Nov 20, 2013
13
6
As example how FOTA aka over the air "work"...

It is simple database request by CORRECT text strings...

As example XAA as (active) CSC...

CP: R915USQU0AVD5

If really D instead K... then your modem.bin is not correct... older as the othe Firmware Files.

At this point I can NOT help you... I have no Firmware for this Model... to flash with netOdin.

IMHO cheapest way... go to any Samsung Service... or ask Samsung.

It is not the fastest way... but...

Best Regards
Samsung was actually my first thought. I got onto chat with them and was pretty much shot down completely
 

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R4T5UN280

Member
Nov 20, 2013
13
6
@R4T5UN280

Please. Still wish to have info about your special Back Cover...

I will check my Photos etc...


Only as visble info...

Other Photos from FCC possible... and...

Best Regards
Here's a pic of my back cover. The green area is where the metal contacts are at. I put a wax plug into the hole so no water could get into there. As you can see though, there are no markings at all in the back
 

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LJH2022

Member
Jun 14, 2023
7
3
Not sure if these would be of any help?


I've never flashed a Galaxy watch before but done it a lot with various phones, so am just starting to look into this.

I also have an SM-R915U XAA and would ideally like to change the CSC to BTU for the UK or even flash it to 915F BTU if that were possible.
 

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    As example how FOTA aka over the air "work"...

    It is simple database request by CORRECT text strings...

    As example XAA as (active) CSC...

    CP: R915USQU0AVD5

    If really D instead K... then your modem.bin is not correct... older as the othe Firmware Files.

    At this point I can NOT help you... I have no Firmware for this Model... to flash with netOdin.

    IMHO cheapest way... go to any Samsung Service... or ask Samsung.

    It is not the fastest way... but...

    Best Regards
    Samsung was actually my first thought. I got onto chat with them and was pretty much shot down completely
    2
    @R4T5UN280

    Please. Still wish to have info about your special Back Cover...

    I will check my Photos etc...


    Only as visble info...

    Other Photos from FCC possible... and...

    Best Regards
    Here's a pic of my back cover. The green area is where the metal contacts are at. I put a wax plug into the hole so no water could get into there. As you can see though, there are no markings at all in the back
    1
    Can you give more infos?

    A
    Firmware Version?

    Easiest way:
    Code:
    *#1234#

    Post result...

    B
    You know your active CSC?

    Visible for instance on Software... Developer Mode trick...

    I mean this tap tap thing on Software info to enable Developer Mode for ADB etc...

    Best Regards
    Ok I did the *#1234# and this is what I got

    AP: R915USQU1AVK6
    CP: R915USQU0AVD5
    CSC: R915UOYM1AVK6
    I do have developer mode enabled. Is this the active CSC you need?
    Pic to verify I'm in the correct place
    1
    As example how FOTA aka over the air "work"...

    It is simple database request by CORRECT text strings...

    As example XAA as (active) CSC...

    CP: R915USQU0AVD5

    If really D instead K... then your modem.bin is not correct... older as the othe Firmware Files.

    At this point I can NOT help you... I have no Firmware for this Model... to flash with netOdin.

    IMHO cheapest way... go to any Samsung Service... or ask Samsung.

    It is not the fastest way... but...

    Best Regards
    1
    Here's a pic of my back cover. The green area is where the metal contacts are at. I put a wax plug into the hole so no water could get into there. As you can see though, there are no markings at all in the back
    Did you ever figure this out?