Download the Samsung firmware for the Galaxy S6 SM-G920K with product
code KTC from Korea (KT Corporation). This firmware
version number PDA G920KKKU3DPH4 and CSC
The operating system of this firmware
is Android 6.0.1 , with build date Thu, 01 Sep 2016 01:05:45 +0000.
Security patch date is 2016-09-01, with