The fake USPS Scheduled Delivery text message below with a link is one of the many scams being received by potential victims. The scam text message is being sent by scammers who are attempting to trick their potential victims into clicking the link in it, which goes to a phishing website that steals account credentials, personal and financial information.
A Scam Text Message with a Link

USPS: the arranged delivery for the parcel 1z20814 has been changed. Please confirm here: w7fzc.info/x7MnAthJ3q
If you receive a text message scam with a link, please do not click the link. Just add it to a comment below, report it to your cellphone provider, then delete it.