Why can't I use my friends PS Plus?
Can I share PlayStation Plus with a friend on another console? No. You can only share your games and PlayStation Plus benefits with accounts on one PS5 console with Console Sharing and Offline Play activated and your primary PS4 console.
Why is my PS Plus not working on other accounts?
Playstation Plus subscription is for only one account. That one account can have multiple sub-accounts using playstation family which can use the Playstation Plus account of the primary. That said, it won't work with other non-sub accounts.
How do I activate PS Plus for all users?
Is PS5 extra worth it?
How do I share my PS Plus with a friend?
Why did PlayStation Plus price go up?
Can I share PS Plus with 2 friends?
Can 2 users use the same PS Plus?