Samsung S7 edge network connection problem

[imadovskey]

the S7 edge after the nougat upgrade is facing wireless and data mobile disconnection and this is occurring on a daily basis.
I have reset the phone but still the same problem is occurring.
Any advise?
Regards,

[wael5]

the same problem
error in software

[orangeman]

same problem I took the phone samsung they change the board of the phone & the problem appears there's wrong with the nouga