Found my old PSP-2001 want to upgrade to latest firmware without bricking : r/PSP
How to install custom firmware on PSP (model-E1004, firmware-6.60)[HD] - YouTube
How To Update Any PSP To Official 6.61 In 2018! - YouTube
Ultimate PSP mod! AcidMods forum user JoblessPunk modifies the PSP-2000 to include a second analog nub, internal 32GB flash memory, i… | Psp, Firmware, Flash memory
Unbrick PSP 2000/3000 Systems - Pandora Battery Style! [Hardware Jig Required] | sefemedical.com - The Independent Video Game Community
How to Update Your PSP Firmware
PSP Custom Firmware Guide For All Models 2022 - pspunk
Firmware 3.52 now available on Network Update | Engadget
How to upgrade your PSP to firmware 6.60 - YouTube
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Sony PSP 4.0 Firmware Update To Support Google Search Feature | Megaleecher.Net
VERY EASY) Install Custom Firmware 6.60 PRO B10 PSP 1000, 2000, 3000 + DL - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP update: 6.61, firmware, PlayStation
PSP firmware 3.72 available, doesn't do much ... for now – Destructoid
PSP update: 6.61, firmware, PlayStation
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex