Unable to update phone software on Samsung Galaxy S5, dialogue wrongly says "software is up to date"

Hello @travisw,

Not being able to download the software update can be annoying.  We do have some great troubleshooting steps to do!

 Please also keep in mind, the device must be connected to our network and on Wi-Fi in order for the update to take place.  First, please feel free to visit our Troubleshoot & Resolve Tool.  Here, you can follow a troubleshooting flow to determine the best resolution for your device! 

If all else fails, the last step will be is a factory reset.  This will generally fix any software glitches.  You can click here for Device Support.  You will first choose your device and then search Reset.  Choose Reset Device in order to perform a factory reset.  This will generally allow a software update to take place if there was a software glitch on the device which is blocking the update from taking place. 

If you need any further assistance, please don’t hesitate to contact us back!

Adam, AT&T Community Specialist

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@travisw wrote:

I'm having an issue updating my Samsung Galaxy S5 (SM-G900A), which is currently running Android 5.1.1. If I attempt to update, via Settings -> About device -> Software Updates -> Check for updates and confirm that I want to check the AT&T server for new software updates, I get the message "Current software is up to date."

 

This is, however, not true: I am running baseband version G900AUCU4CPA3, and consulting https://www.att.com/device-support/article/wireless/KM1135275/Samsung/GalaxyS5G900A/ shows that there have been nine updates since then, including an update to Marshmallow.

How can I update the software on my phone? Any help would be appreciated!

 

Some possibly relevant information: I purchased the phone from a third-party retailer in the US (Amazon), but I have never had an AT&T contract with the phone. Also, I am now living overseas. (In particular, I saw a post about a similar issue for another model of Samsung phone, and one recommendation there was to take the phone to Best Buy to have the phone manually flashed. As I won't return to the US until later this year, that is not a reasonable option in my situation.)

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ATT only updates phone OTA so your never going to get updates unless your a ATT customer living in the USA.

Do.you have a sim card in your phone?

Does not matter if it has a sim in the phone if the person is not in the USA.

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@Leftykat40 wrote:
Hello. Yes I have a Sim card. It's a rural service provider. My Samsung
Galaxy S5 is an AT&T branded phone, but unlocked. So, without an account
with AT&T, I cannot install the over half dozen android updates. Please
advise.

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Either take the phone to a Samsung experience center inside a best buy and I would call to see if they still flash phones....  Or you need to be a att customer connected to a att tower. 

Then your not getting updates...  you have to be att customer connected to an att tower.  Even if your carrier did updates you won't get them since the phone is att branded.

I have the same problem but I was given the phone by a friend and it is no longer connected to the atnt network. Is there a way you can remove the atnt service and make it normal again?