Galaxy Note8 SM-N950U1 with product code XAS from Unknown. This firmware has version number PDA N950U1UES5CSB1 and CSC N950U1OYM5CSB1. The operating system of this firmware is Android 8.0.0 , with build date Tue, 29 Jan 2019 01:06:58 +0000. Security patch date is 2019-02-01.