No you do not, as DS games do not rely on or interact with DSi software.
It's always the latest firmware that is needed.
not really. if you upgrade to the latest firmware (5.03) you will have the playstation store available. this lets you download themes, games, wallpapers and so on. but if you want games for free, then yes, you need cfw
You need the latest firmware to access the PSN, you can update the PSP from the XMB.
You need the latest firmware. go to this site to download it select the t10 and download the firmware.
Not at all. Use the latest official firmware.
You need your PSP to be upgraded to the latest firmware, in order to access the PSN and download games.
No, to access the PSN, you need the latest firmware update.
To access the PSN you need the latest official firmware, which you can do from your PSP's menu bar.
You may need the latest firmware, upgrade first and try accessing the games after.
Some games need the latest update, you should update the firmware to the latest version.
Sony make it so you need the latest firmware before you can access the PSN.
You don't need anything but the latest official firmware, to be able to download games from the PSN.