public string getAssetFolderFWversion()
{
IMobile mobile = DependencyService.Get <IMobile>();
var files = mobile.GetAllAssetsName();
string fileName = default;
foreach (var f in files)
{
if (f.Contains("ota_data_initial"))
{
fileName = f;
break;
}
}
var otaVer = fileName != default ? new List <string>(fileName.Split('_'))[3] : "";
return(otaVer);
}