How to install maps in a device without internet?

[forofo]

I have one android device without internet, wifi or Bluetooth. Only GPS and USB connection.
I wish to install Organic Maps with some selected maps.

Can I download the maps from one mirror into one USB flash, and later copy into .../Android/data/app.organicmaps/files/ in the device?
It would work just by doing this? Or should I do any addition thing?

(* Excuse me if the question can be trivial for yours. I cannot find some page in the website with instructions. )

[Misalf-git]

Pretty much, yes.
Except that maps are stored in a sub-dir of "files", named reflecting the build date of the maps which is tied to app release (hard-coded).
Like .../Android/data/app.organicmaps.web/files/240528/*.mwm

[forofo]

good news or it would be a problem? :)

Also, there is a .dat file inside /Android/data/app.organicmaps.web/files/ icudt73l.dat
Do you know if that file should be copied, or this is not necessary?

thanks for the help!

[Misalf-git]

No idea about the .dat file.

[pastk]

Copying that dat file is not necessary.

[forofo]

thanks!