not sure... but if you want to get app tapp on your 1.1.1 i would follow this lin https://forums.macrumors.com/threads/370824/
Read the OP first and then click the link and follow the directions. It is very simple and should take 10 minutes.
You need to install v2 on your 1.1.1 jailbroken phone and then restart. You should find that when you tap the installer icon it prompts you to install the latest version.