Procedure:

   1. Format the microSD card to FAT32.
   2. Launch GoldCard Helper on your phone.
   3. Note down the ‘Card:mmc2, Reverse CID’ value, making sure to use mmc2 and not mmc1.
   4. Go to this page, enter the reverse CID from the previous step as well as your email address and submit the form. It will create create your goldcard image and email it to you.
   5. Open your mailbox and download the goldcard image to your computer.
   6. Launch HxD hex editor on your computer by right-clicking it and clicking ‘Run as Administrator’.
   7. Mount your SD card to your computer, preferably using a card reader but you can try using your phone as well.
   8. Go to ‘Extra’ menu > ‘Open Disk’.
   9. Select Removable Disk (which should be your SD card) under Physical Disk (and NOT logical disk), uncheck ‘Open as Readonly’ and click OK.
  10. Go to the ‘Extra’ > ‘Open Disk Image’ and open the goldcard image downloaded in Step 5.
  11. Select ’512 (Hard disks/Floppy disks)’ as the sector size when prompted and click ‘OK’.
  12. In the goldcard image tab, go to ‘Edit’ > ‘Select All’ and then ‘Edit’ >’Copy’.
  13. In the ‘Removable Disk’ tab, highlight offset (line) 00000000 to offset (line) 00000170 including the 00000170 line and go to  ’Edit’ menu > ‘Paste Write’.
  14. Click ‘File’ > ‘Save’ and accept any warning that you get.