Add firmware update instructions

README.md

@@ -1 +1,14 @@
 # AetherCone
+
+To update your Cone's firmware manually, perform the following steps
+
+1. Press and hold volume -
+2. Press and release play/pause three times
+3. On your computer/tablet/phone connect to a WiFi network that starts with 'Aether Cone'
+4. Once connected, open a web browser and enter the following URL <a href="http://192.168.226.1" target="_new">http://192.168.226.1</a>
+5. Click 'About This Cone' button
+6. Click 'Update' or the button on the line that says firmware
+7. Click 'Choose File' and select file to upload.
+8. Click 'UPLOAD'
+9. When upload is finished and firmware is installed you will see a green confirmation screen.
+10. Turn your Cone off and then on again. Once it reboots, the new firmware will be installed.