How to upgrade firmware for iBeacons

1. Download app Multitool.
2. Open iTunes at your PC and connect your iPhone with usb cable.
3. Click the iPhone in iTunes - Click Application tab - Make the page down, find the "File Sharing" - Choose Multitool
4. Drag the firmware file to Multitool's Documents area
5. Open Multitool in iPhone，follow these step to upgrade.

6. Found the iBeacons module and tap it

   

7. Click "Update FW" at bottom right

   

8. Select "safe mode", then tap "Select FW File"

   

9. Click Shared files

   

10. Click the bin file to upgrade. Please keep the iPhone awake.