Update Samsung Galaxy S5 SM-G900K to Android 5.0 Lollipop KTU1BNL2 Firmware

The Samsung Galaxy S5 SM-G900K has started receiving the Android 5.0 Lollipop KTU1BNL2 Firmware. The firmware is an official update and hence is being rolled in installments via OTA. If you have already received the firmware notification on your device then you must download and flash it following the appearing instructions on the screen of your device. But if you have not yet received the firmware or want not to wait, then this manual update method will help you a lot. Read the steps properly before starting the update.


Remember, this guide is specially meant for the Samsung Galaxy S5 SM-G900K Smartphone and implementing the procedure in other devices might hard brick your android device. Anyways, TechGipsy will not remain responsible for any sort of damage or data loss the device might undergo during the installation process. So proceed only if you understand what you do.


  • All important data and files of your Galaxy S5 SM-G900K should be provided a good back-up before this update since the update might erase your important data.
  • A computer and original USB cable should be kept ready for use.
  • Your PC must be pre-loaded with the Galaxy S5 SM-G900K drivers since the drivers will help you connect your device to your PC. If not installed, then at first download the drivers from the official site of Samsung.
  • The USB debugging option should be enabled by following the steps Menu > Settings > Developer Options. Don’t forget to disable the USB Debugging option post update.
  • Most importantly keep your phone battery fully charged. If it is not fully charged, at least maintain a minimum of 75% power back up before starting the update.

Steps to Update

  • First of all download the Android 5.0 KTU1BNL2.zip file for your Galaxy S5 SM-G900k Smartphone and extract it on the desktop of your Computer. Now download Odin_v3.09.zip.
  • Then Put your Galaxy S5 into download mode by first turning off the phone and then pressing its Volume Down button, Power Button and Home Button simultaneously. Thereafter press the Volume Up Button again after a warning message appear on your screen, to put your device into download mode.
  • Then connect the Galaxy S5 to the PC via USB cable.
  • The button-left corner of Odin will display a message after the connection of the Galaxy device with your PC is successful.
  • Now launch Odin on your PC, click on “AP/ADB” in Odin and choose the “.tar.md5″ file from the extracted Lollipop 5.0 KTU1BNL2 folder. Make sure that re-partition option is unchecked.
  • Next select the “Auto-reboot” option in Odin and press the “Start” button. The update process will take around 4-5 minutes. Wait still your Galaxy S5 Smartphone restarts.

If your device reboots without any issues, you are all done up with the update. But if your Smartphone struck in bootloop during the update, then you have to hard reset your device and initiate the process again from the beginning. You can also follow this guide to come out of bootloop. For further tech news, android updates and rooting, keep visiting TechGipsy.

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