Download the Samsung firmware for the GALAXY S4 SGH-M919N with product
code TMB from USA (T-Mobile). This firmware
version number PDA M919NUVUFOH3 and CSC
The operating system of this firmware
is Android 4.4.4 , with build date Mon, 24 Aug 2015 06:53:58 +0000.
Security patch date is N/A, with