iPhone 13 Motherboard Connector Question

[BrianBaughn]

Does anyone know what this is:

It's a thing connected to the bottom side of the iPhone's motherboard. The screenshot is from this video at the 2:32 mark:

The video makes no mention of the connector or how to reattach…if indeed it needs to be reattached.

Thanks in advance.

 

[BrianBaughn]

Found the answer: It's the 5G antenna and I think that only US models of the 13 have it.

The person in the video removed the motherboard without removing the battery and therefore ripped the antenna off of the bottom of the motherboard…ruining the iPhone in the process, I presume.