Sony confirms PlayStation Store for PS3, PS Vita closing this summer - Polygon

Sony confirmed on March 29, 2021 that PlayStation Store access for the PlayStation 3, PlayStation Vita, and PlayStation Portable will end on Aug. 27, 2021 (for PS3 and Vita) and July 2, 2021 (for PSP). All previously purchased content is still available for owners to download and play, regardless of platform.

PlayStation Store Will Stay Online for PS3 and Vita

PlayStation starting to send out emails explaining the PS4 only titles with Plus : r/playstation

PlayStation: Everything Still Available for PS3, PSP & Vita After the Store's Summer Closure

Sony Admits They Were WRONG in Closing PlayStation Store for Vita and PS3 - Stores Will Remain Open

Official PlayStation Magazine - UK Edition February 2019 (Digital)

Sony kills PlayStation Now support on Vita, PS3, Bravia, and Blu-ray players

Sony is closing its PlayStation Store for PS3 in July and Vita in August - The Verge

PlayStation, Ultimate Pop Culture Wiki

PS3, Vita closing down Facebook support - Polygon

Sony Admits They Were WRONG in Closing PlayStation Store for Vita and PS3 - Stores Will Remain Open

Rumor: PS3, Vita, and PSP Stores to be permanently closed this year

Why PS3, PSP, and Vita Stores Closing Would Be Such a Big Deal - Beyond Episode 693 - IGN

Confirmed: PlayStation Store to be closed for PS3 and PSP on July 2nd, and for PS Vita on August 27th, 2021. PS Vita's messaging function will also be closed down starting June

Tips For The Closing PlayStation Store Part 3: PS3 - Lords of Gaming

PlayStation: PS3 Store To Close For Good In Summer, Sony Announces