i337M Imei Null Unknown baseband

I have read many threads but still cannot get it to work. This phone was unlocked 3 months ago, I backed up everything but it does not seem to work.

Write QCN error
[ 2/5/2016 4:48:00 PM ] Operation: Write QCN
[ 2/5/2016 4:48:00 PM ] Selected model: SGH-I337M
[ 2/5/2016 4:48:00 PM ] Selected port: COM3 Z3X BOX Serial Port
[ 2/5/2016 4:48:00 PM ] Software version: 24.2
[ 2/5/2016 4:48:00 PM ]
[ 2/5/2016 4:48:00 PM ] Reading QCN file… OK
[ 2/5/2016 4:48:00 PM ] Reading ID… error
[ 2/5/2016 4:48:00 PM ] No answer from phone

Wipe EFS failed
[ 2/5/2016 4:35:00 PM ] Operation: Wipe EFS/NVM
[ 2/5/2016 4:35:00 PM ] Selected model: SGH-I337M
[ 2/5/2016 4:35:00 PM ] Selected port: COM3 Z3X BOX Serial Port
[ 2/5/2016 4:35:00 PM ] Software version: 24.2
[ 2/5/2016 4:35:00 PM ]
[ 2/5/2016 4:35:00 PM ] Waiting ADB device… OK
[ 2/5/2016 4:35:00 PM ] Reading phone info…
[ 2/5/2016 4:35:00 PM ] Model: SGH-I337M
[ 2/5/2016 4:35:00 PM ] Android version: 4.4.2
[ 2/5/2016 4:35:00 PM ] Product code:
[ 2/5/2016 4:35:00 PM ] Phone version:
[ 2/5/2016 4:35:00 PM ] PDA version: I337MVLUFNC1
[ 2/5/2016 4:35:00 PM ] CSC version:
[ 2/5/2016 4:35:00 PM ] CSC country code:
[ 2/5/2016 4:35:00 PM ] CSC sales code:
[ 2/5/2016 4:35:00 PM ] HW version:
[ 2/5/2016 4:35:00 PM ] Phone S/N:
[ 2/5/2016 4:35:00 PM ] Modem board:
[ 2/5/2016 4:35:00 PM ] RF cal date:
[ 2/5/2016 4:35:00 PM ] IMEI:
[ 2/5/2016 4:35:00 PM ] Checking Super user right… true
[ 2/5/2016 4:36:00 PM ] Backuping MMCBLK… OK
[ 2/5/2016 4:36:00 PM ] Reading ID… error
[ 2/5/2016 4:36:00 PM ] No answer from phone

I even flashed 5.0.1