Download the Samsung firmware for the GALAXY LIGHT SGH-T399N with product
code TMB from USA (T-Mobile). This firmware
version number PDA T399NUVUAOH3 and CSC
The operating system of this firmware
is Android 4.4.2 , with build date Tue, 25 Aug 2015 06:39:34 +0000.
Security patch date is N/A, with