Galaxy S7 SM-G930R7 with product code ACG from Nextech / C-Spire. This firmware has version number PDA G930R7WWS8CRL1 and CSC G930R7ACG8CRL1. The operating system of this firmware is Android 8.0.0 , with build date Thu, 06 Dec 2018 12:27:35 +0000. Security patch date is 2018-12-01, with changelist 13544919.