Install Instructions for older Official Pinecil V1 are in Github https://ralim.github.io/IronOS/Flashing/Pinecil%20V1/
There are also active volunteers in live Pine64 Pinecil Chat if you join the community chat
https://wiki.pine64.org/wiki/Pinecil#Community_links
There are also active volunteers in live Pine64 Pinecil Chat if you join the community chat
https://wiki.pine64.org/wiki/Pinecil#Community_links