Go to File > Install Firmware again, and select the Font Package file you downloaded. Reboot: Restart the Vita3K emulator.
A way to transfer files via FTP or a USB cable. Step-by-Step Guide to Download and Install Font Packages
The best cure is prevention. Follow these guidelines to avoid font problems entirely: download font package psvita fix
For quick fixes without downloading a full firmware package, the homebrew community has extracted standalone font files. The PSVita system fonts are located at sa0:data/font/pgf/ and include files such as jpn0.pgf (Japanese system font) and ltn0.pvf (Latin font).
Sometimes the fix doesn't take. Here is the troubleshooting matrix: Go to File > Install Firmware again, and
Before touching any system fonts, copy all original files from sa0:data/font/ to a safe location on ux0: .
If you are fixing a specific game or app (like a Rockstar Games port or a custom translation), you may need to manually place font files. Navigate to ux0:data/[AppName]/ . Look for a folder named fonts or lang . Paste the downloaded .ttf files into this directory. Restart the application. Troubleshooting Common Issues Step-by-Step Guide to Download and Install Font Packages
Your console must be running custom firmware (HENkaku/Enso) on firmware 3.60 or 3.65.
Sony provides two separate packages that must both be installed for full compatibility: Download Main Firmware Font Package ( PSP2UPDAT.PUP ): Download Font Firmware Installation Fixes