4 Ways to Upgrade Your PSP Firmware - wikiHow
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
4 Ways to Upgrade Your PSP Firmware - wikiHow
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Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
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Complete Guide to PSP Custom Firmware - Revive Today
psp check firmware version
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
PSP Firmware update manually - here's how
4 Ways to Upgrade Your PSP Firmware - wikiHow
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4 Ways to Upgrade Your PSP Firmware - wikiHow
4 Ways to Upgrade Your PSP Firmware - wikiHow
How to Update Your PSP Firmware
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PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
System Update
PSP Firmware Update 6.61 | GBAtemp.net - The Independent Video Game Community
/GettyImages-82623144-5a4c3b37494ec900369a3440.jpg "Find Out Which Firmware Version a PSP Runs")