RIFF JTAG -Latest Updates
RIFF Box Best JTAG Box in this Galaxy
16 new models today :

Samsung GT-S7572 Galaxy Trend Duos II
Samsung GT-N7005 Galaxy Note LTE
Samsung GT-i9205 Galaxy Mega 6.3 LTE 8GB
Samsung GT-i9158 Galaxy Mega 5.8
Samsung GT-i9152 Galaxy Mega 5.8
Samsung GT-i8552 Galaxy Win Duos / Galaxy Grand Quattro
Verizon Samsung SCH-i545 Galaxy S4 (Samsung Altius)
Samsung SGH-i337M Galaxy S 4 LTE 32GB (Samsung Altius)
Pantech Vega No6 IM-A860S
Pantech Vega LTE M IM-A810S SKY
Pantech Vega IM-A650S
LG F260S Optimus LTE III
LG E975 Optimus G (LG Gee)
LG E960 Nexus 4 (LG Mako)
LG E970 Optimus G (LG Gee)
Huawei Ascend G510

Bug fixes:

HTC Titan - DCC loader bug fix
Samsung i9505 - Added Total Repair option
Samsung i337 - Added Total Repair option
Samsung l720 - Added Total Repair option
Samsung m919 - Added Total Repair option

To use these new updates, You need RIFF JTAG Manager v1.50 and RIFF Box Firmware v1.36.