![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
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
![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)