Delta 3, how to connect WiFi and BT antenna?

I got my kickstarter the other day and am now assembling it all. Pretty snazzy.

BUT! Those antenna connectors are soooooo small. I tried plugging them in and no luck. How hard do you have to press to make them "click" I'm quite nervous about breaking the thing. https://nox.tips/ https://xender.vip/

I got this,...

hi,

pls refer to the link below and see if it helps.

http://docs.lattepanda.com/content/3rd_delta_edition/connectivity/