(Changelog 6.20 TN-B)
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- Fixed homebrew execution crash on some PSPs (thanks to HacKmaN for debugging)
- Added 4g model support
- Resolved some important NIDs
- Added FAKE INDEX.DAT to TN VSH Menu.
  - Dump whatever FW with psardumper.
  - Copy /F0/vsh/etc/version.txt to /seplugins/version.txt.
  - Enable the option and restart VSH, now your PSP version is faked.
  -> To downgrade just dump a lower FW.