You must be running custom firmware (CFW), such as HENkaku/Enso on version 3.60 or 3.65.
Using VitaShell, navigate to the sa0: partition. You will need to enable "Unsafe Homebrew" in your HENkaku settings to write to this partition. Replace the existing system fonts with your new "hot" package. Step 4: Restart Your Device ps vita firmware font package hot
Some users find bolder or more spaced-out fonts easier to read on the Vita’s 5-inch OLED or LCD screen. You must be running custom firmware (CFW), such
Most users rely on the FontInstaller homebrew app or manual replacement via the sa0: partition. How to Install the PS Vita Firmware Font Package ps vita firmware font package hot