PS3 and Vita New Updates Disable PSN Account Management - Siliconera

The PS3 and PS Vita have each received a new system software update that removed several PSN account management features on the consoles.

Debating The Playstation 3 Other OS Removal - Siliconera

WORLD OF HORROR on Steam

Signing in to PSN on Your PS3 After 4.89 Update – Qubits & Bytes

PlayStation 3 System Update Removes Key Features

News - 2019, Week 05 - PS5, PSVR2, PlayStation VR2, PlayStation VR

Lost Dimension Coming to PS3 and PS Vita This Summer in North

PlayStation 4 - Wikipedia

PlayStation Vita - Wikipedia

Blocking Updates on PS Vita - CFWaifu

PS3 System Update 4.89, PS Vita System Update 3.74 Disable PSN

How to fix the 0 PlayStation 3 systems activated problem - Alex

News - April, 2014