$Imei=$pcGPS->GetImei(); //Extract the module's IMEI code like "123456789012345" to see if we created  pending commads for it.

    //***NEW MODULE SETTINGS***
    
    $FileName="$DownloadMap$Imei.tms"; //Construct file name like: 123456789012345.tms
    if(@is_file($FileName)) //Does a file with this name exist in the same directory as this script?
    {
      //The file is expected to contain settings from the CGPSsettings class or written to disk with the settings application.
      //When the new settings are received by the module, it will let the result know via a transmission type SV_SettingsAccepted or SV_SettingsRejected.
      $pcGPS->mSettings=@file_get_contents($FileName);
        LogInfo("Download TMS to $Imei from file \"$FileName\"\r\n");
      @chmod($FileName, 0777); if(!@unlink($FileName)) LogError("!!!PROBLEM!!! The file '$FileName' could not be deleted.");
    } else {
      //***GPS ASSIST FILE?***
      $FileName1="$DownloadMap$Imei.gps";    //Construct file name like: 123456789012345.tms
      $FileName2="$DownloadMapGPSAssist.txt";
      if ( (@is_file($FileName1)) && //Does a file with this name exist in the same directory as this script?
           (@is_file($FileName2)) &&
           ($pcGPS->CanGetFix() ) &&
           ($pcGPS->GetFix()<3  ) ) 
      {
        //The file is expected to contain settings from the CGPSsettings class or written to disk with the settings application.
        //When the new settings are received by the module, it will let the result know via a transmission type SV_SettingsAccepted or SV_SettingsRejected.
        $pcGPS->mSettings=@file_get_contents($FileName2);
          LogInfo("Download GPS to $Imei from file \"$FileName2\"\r\n");
        @chmod($FileName, 0777); if(!@unlink($FileName1)) LogError("!!!PROBLEM!!! The file '$FileName1' could not be deleted.");
      }
    }

    //***UPDATING FIRMWARE***
    $FileName="$DownloadMap$Imei.tmf"; //Construct filename like: 123456789012345.tmf
    if(@is_file($FileName)) //Does a file with this name exist in the same directory as this script?
    {
      //An ASCII text file is expected, containing only the 3 digits of the new firmware version.
      //If the file exists and contains for example the following three digits: 385
      //the module will try to download this file from your server: traceme385.hex
      //NOTES:
      //- The tracemeXXX.hex firmware file must be downloadable from the root directory of your HTTP server.
      //  You can manually check if the file can be downloaded from your server's HTTP root
      //  directory with a web browser by entering an URL like: http://YourServerIP/tracemeXXX.hex
      //  You may need to configure your server's settings and/or add a new mime type
      //  (e.g. binary octet-stream) before it allows downloads of binary files with the .hex
      //  extension that you put in the HTTP root directory.
      //- A module will only reboot and start using downloaded firmware data if the version number
      //  of the firmware is higher than the one already in use.
      //- Some GPRS providers use limits and filters in their system that can prohibit the module
      //  from downloading a firmware file unmodified and in it's full length.
      //  In this case you can only upload new firmware into a module with the settings program
      //  via a direct cable connection.
      $FileSize=@filesize($FileName);
      if(($FileSize>=3) && $FileSize<=3+2)
      {
        $FirmwareVersion=@substr(@file_get_contents($FileName), 0, 3);
        if(@strspn($FirmwareVersion, '0123456789')==3)
        {
          $pcGPS->mFirmware=$FirmwareVersion; //Store firmware version in the response member of the class.
          LogInfo("Module $Imei has been instructed to download the firmware file \"traceme$FirmwareVersion.hex\" from the root of your HTTP server");
//            LogInfo("Upload HEX to $Imei from file \"traceme$FirmwareVersion.hex\"\r\n");

        } else LogError("Firmware command file \"$FileName\" contained invalid characters and must contain only the 3 digits of the firmware version.");
      } else LogError("Firmware command file \"$FileName\" file size was incorrect. It must contain only the 3 digits of the firmware version.");
      @chmod($FileName, 0777); if(!@unlink($FileName)) LogError("!!!PROBLEM!!! The file '$FileName' could not be deleted.");
    }