A friend and I got annoyed having to write down text since the font wasn't flipped so we flipped it.
Now you just have to screenshot the text and flip in paint or something to read.

All credit goes to the original author of the translation mod we just flipped some characters.

Original mod:
https://modworkshop.net/mod/23847
Original Mod Author:
https://modworkshop.net/user/2041

Same install as the original mod.

TO INSTALL: drop the "Secret Tablet English Translation" folder inside your "mod_overrides" folder located at steam/steamapps/common/payday 2/assets/mod_overrides.