The fake FedEx text message is a scam, therefore, recipients are asked not to click the link in it. The fake text claims the recipients' item is detained pending delivery at a central warehouse and ask them to click the link to receive it. But, the link goes to a fake FedEx or phishing website that steals personal and financial information.
The FedEx Text Scam
Hello [first name], the item fdx-17058798854 is detained at the central warehouse. To receive your item, please visit this link:
ocekov.me/dLsHnP8
The link in the text goes to this fake FedEx Express website:

You have a pending delivery. Use your unique tracking code to track and receive your item.
Package information:
Status:
Stopped at distribution hub (outstanding customs charge)
Shipping via:
Intl tracked courier
Customs fee:
$2.00