Apply the temporary software exploit via the Vita's web browser. Install .
Before updating to PS Vita Firmware 3.74, keep the following tips and precautions in mind:
You can download the PSP2UPDAT.PUP file using this direct link (valid as of 2026):
Use VitaDeploy’s built-in to safely downgrade your firmware to 3.65 and apply a permanent jailbreak. Troubleshooting Common 3.74 Issues Error NP-2244-2 (Login Failure)