Post file from download folder

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#1

Hi, please help me. i want to upload file from Download folder. but i have get error code 1104.
this is code form html

 <html lang='en'>
 <head>
     <meta charset='utf-8'>
     <meta name='viewport' content='width=device-width,initial-scale=1'/>
 </head>
 <body>
 <form method='POST' action='' enctype='multipart/form-data'>
     Firmware:<br>
     <input type='file' accept='.bin,.bin.gz' name='firmware'>
     <input type='submit' value='Update Firmware'>
 </form>
 <form method='POST' action='' enctype='multipart/form-data'>
     FileSystem:<br>
     <input type='file' accept='.bin,.bin.gz' name='filesystem'>
     <input type='submit' value='Update FileSystem'>
 </form>
 </body>
 </html>

and i want to convert upload file from apps.

PLEASE