The font firmware package can be downloaded straight from the PlayStation servers. Install both firmware packages using the File > Vita3K - General Guide - RetroDECK Wiki
Once you have your firmware ZIP file, do unzip it manually. Vita3K has a built-in installer that handles the extraction and placement of files.
You can install multiple firmware versions, but Vita3K generally works best with firmware version 3.60 for compatibility reasons.
The font firmware package can be downloaded straight from the PlayStation servers. Install both firmware packages using the File > Vita3K - General Guide - RetroDECK Wiki
Once you have your firmware ZIP file, do unzip it manually. Vita3K has a built-in installer that handles the extraction and placement of files.
You can install multiple firmware versions, but Vita3K generally works best with firmware version 3.60 for compatibility reasons.