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Hi I change the top case keyboard after a flood event. Everything went well but the wifi coverage became very poor. you have to be less than a meter from the wifi box for it to work. I couldn’t find any information about a wifi antenna in a macbook retina 2017. any idea ?

Hi @jrubiks See the images in Step.29 & Step.30 of the ifixit Retina MacBook 2017 Battery Replacement for the location of the antenna connections to the logic board

They are a bit hidden!

Make sure you haven’t damaged the coax wires. You may need new speakers as the antenna’s are part of them.