Help, iphone 7+, can't update

[9Eleven]

patulong naman mga lods, iphone7+ no service, can't update, thank's in advance

 

[Carlowski]

bypassed ba yan or hindi naman ?

 

[akoaymatagalnadito]

pwedeng bypass unit yan kung hindi naman, pwedeng baseband issue hardware issue

 

[9Eleven]

brand new naman po sya binili, kaso wala na sya sa warranty, any suggestion po? bago ko dalhin sa technician