The app needs to access the storage so it can save or restore your tracks and settings. Without giving the permission you may not be able to see your tracks history, and you could loose your data.
L'app necessita accedir a l'emmagatzematge per a poder desar i recuperar les vostres rutes i configuracions. Sense donar aquests permisos no podreu veure l'historial de rutes ni compartir-les i podriesíeu perdre les tevvostres dades.