I recently bought one and it works (though not brilliantly with the supplied antenna.
Did you follow the installation instructions click here - the Quick Install Guide is not very useful unless you are a mind reader.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?