Q: For T705-Does anyone know how to flash modem.bin through TWRP?

I would appreciate if someone knows how to flash a modem.bin through TWRP? I was looking at an old post by someone who may have not posted more than the two posts seen here but had success in changing bands apparently…

http://forum.xda-developers.com/gala…5#post65106621

Thanks!

also how does one open system.img…have used ext4 unpacker successfully but the 5.0.2 system images from various firmwares will simply not open (not so with T235 and even T715 when I had it both LL, former in fact 5.1.1)…ext4 unpacker says unknown file format (several firmwares T705, T705Y and T705M)