Huawei P10 Antenna cable broken

So i was replacing the screen on my huawei p10 when i accidentally broke of the antenna connector on the board. i put the phone back together with one side on the antenna unconnected, thinking that the phone would work but i wont be able to make any calls. when i turned the phone one everything seems to be working fine. i am able to make calls and use wifi etc. My question is so i need the antenna, its currently not connected in my phone but everything seems to work fine