"Must activate" on PSP is ambiguous—it appears in several contexts. Please specify which scenario you're encountering.
| Scenario | Message Example | Solution |
|---|---|---|
| PSN Account Sign-In | "You must activate your system to use this feature." | Settings → Account Management → System Activation → Activate PS3/PSP. Requires PSN sign-in. Limit: 2 portable (PSP/Vita) per account. |
| Game/DLC License | "This content requires activation." / "License expired." | Same: System Activation. Or: Settings → Account Management → Restore Licenses. PS Store for PSP closed 2021—redownload not possible. |
| Video/UMD Movie | "Activate for video playback." | System Activation required for DRM video. Rare now. |
| Remote Play (PS3 ↔ PSP) | "Activate PSP for Remote Play." | PS3: Settings → Remote Play Settings → Register Device. PSP: Remote Play → Register. Both on same network. |
| Ad Hoc Party (PS3 app for PSP online) | "Activate Ad Hoc Party." | Service discontinued 2014. Use Pro Online / XLink Kai for ad-hoc tunneling. |
| Homebrew / CFW Plugin | "Activate plugin in VSH menu." | Hold Select → VSH Menu → Enable plugin. Requires CFW (PRO/ME/Infinity). |
| PSP Go / Internal Storage | "Activate internal storage." | Settings → System Settings → Format / Activate Internal Storage. Erases data. |
Reply with details and I'll give the exact fix.