Galaxy S6 edge update build G925FXXS3COK5, Not the Android 6.0 Marshmallow yet but for security improvements

Just another update has landed on the Galaxy S6 edge (SM-G925F) and has moves up its build to G925FXXS3COK5. But hold on, this is not the much awaited Android 6.0 Marshmallow update yet, to which reportedly to come around in December.  The update is still base in Android 5.1.1 (Lollipop) and according to initial changelog given, the update says that it's a device security improvements and.

Here goes the technical details of G925FXXS3COK5 5.1.1 update:
  • Android version: 5.1.1
  • Baseband version: G925FXXS3COK5
  • Kernel version: 3.10.61-5816106
  • Build number: LMY47X.G925FXXS3COK5

While taking a closer look at the firmware build details, it has very similar "kernel version" to the previous released version. There is nothing more any other new features but the newly updated security enhancements to address the recent Android vulnerabilities.

So those who got the unlocked or unbranded Samsung Galaxy S6 (SM-G920F), you folks may check the update right now. The update file size is just around 30+ MB to which being simultaneously released via Over-The-Air (OTA) and via Smart Switch for PC. This update will then replaced the previous released build G925FXXU3COI9.  It is now heading its way to the unlocked Galaxy S6 (SM-G920F) owners in United Kingdom and Ireland but might also rolling out to the rest of the Europe region.

How to Update the Galaxy S6 edge (SM-G925F) to build G925FXXS3COK5


  • Make sure to recharge your phone first.
  • Do not forget to backup all of the important data that were stored in the device memory.
  • Your Galaxy S6 edge must still run on the official software version and has not been rooted nor installed with non-official Samsung firmware.

Updating the Galaxy S6 edge via Over-The-Air (OTA)


This is the usual method on how to check and to perform an update on Galaxy S6 to the latest software version.  This method is what we called Firmware Update  Over-The-Air and so-called as FOTA or simply OTA update. In most often cases, a notification message will be directly sent out to you by your network provider and by Samsung itself, telling you that there is a new update that has now available for download.  This approach requires you to prepare a strong WiFi connection,  and so it might happen sometimes that one did not receive any software update notification messages; (1) If and when the device is out of range during the software update roll out  period, (2) Automatic update has been turned off in the device Settings.
However, We can still manually check for the update instead.

Here’s how to do it manually:
  • From your Galaxy S6 edge Home screen tap on Apps.
  • Select the Settings gear icon.
  • Tap About device.
  • Tap Software update.
  • Tap Check for an update.

It will then notify you that a new update is available for download. But it also says that “Your device software is up to date“, and there is no software update is yet available for grab. You can simply choose Download and Install now if you do so or else Install later if you want to get the update in later time.

But if ever you might have had received this message while checking software update that says something like “The operating system on your device has been modified in an unauthorised way. Try downloading software updates using Smart Switch on your computer or visit a customer service centre.”  This is a warning message that only appears for those devices that have been rooted and installed with modified and unofficial firmware.  So to be able to get the Software OTA update again, you must Unroot the Galaxy S6 edge first and removed any modification that has been installed on it.

Update the Galaxy S6 edge using  a Computer via Smart Switch for PC


Download Smart Switch for PC

You have to choose the one that is specifically built for computer, depends on what you have either a PC or Mac.  Once you installed Smart Switch, all you need to do is to connect your Samsung Galaxy S6 on your  computer using the supplied USB  cable.
  1. Open Smart Switch in your computer.
  2. Connect the Galaxy S6 edge into the computer using the supplied USB data cable.
  3. Smart Switch will automatically prompt you if the update is available. Just click on the “update” then the “OK”  button to begin updating your Galaxy S6 edge.

Once the update is made, you may now check the technical details of the new update, from Home screen  simply touch the Settings gear icon and then tap About device.