![PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers](https://cdn.obscuregamers.com/data/2020/11/9734_1605609551524.png)
PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers
![PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers](https://cdn.obscuregamers.com/data/2020/11/9733_1605609075723.png)
PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers
![PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers](https://cdn.obscuregamers.com/data/2020/11/9713_1605592762669.png)
PSP - How to update (and accidentally downgrade / factory reset) the firmware on DTP-T1000 (Plus download links.) | Obscure Gamers
PSP Network Utility (Chinese Version 1.00C) : Sony Computer Entertainment Korea : Free Download, Borrow, and Streaming : Internet Archive
Mathieu Hervais on Twitter: "PSP Development kit running the vanilla 1.0.2 (pre 1.00) firmware. The vsh (xmb) menu is completely hidden, you can restore it by flashing 1.00's pspbtcnf.txt file to flash0
![HELP Downgrading psp official firmware from 3.50 to 1.50 | GBAtemp.net - The Independent Video Game Community HELP Downgrading psp official firmware from 3.50 to 1.50 | GBAtemp.net - The Independent Video Game Community](https://gbatemp.net/data/avatars/l/157/157377.jpg?1351213988)