Loose connection after sometime

Hey everyone
I try to connect my device to linux machine and I was loose connection.
I was send ping and it’s Lost after 3 or 4 pings.
Also I have sim card and I can’t connect to octave.
Everybody can help?

Can you try to power your device by having external power supply ?

The device connect to li-ion battery and I can’t to connect.
When i was try to load Linux VM with legato on my windows PC and this connected well.
Hello world run smuth.
Now i want to load some app that test the snesor and give feedback to command lines.
Have you some nicely to apply?

Did you modify the apps on the unit?

No just a sinc to octave