Now should I flash only the .nfi file or both?
Only the .nfi file.
Then you suggested Blackhole 3.2.4 DM800HD SE Sim2 SSL84D.
Well spotted ! That image shouldn`t have been posted in that forum. I`ve moved it.
Use this image instead -> OpenTS image 2.6 DM800 Sim2 SSL84D
You aren`t bothering us buddy, we are here to help.