IPC Bootloader Upgrade over Radio

This guide assumes good familiarity with EP3 use, if this is not the case please refer to the full application note and/or the EP3 user guide.
Before performing field work ensure the following:

Latest firmware (V5.x or later) is loaded on your EP3
EP3 time is set correctly

Upgrading the IPC bootloader is a three-part process and requires being physically at the IPC with a magnet on hand.

The process requires three files stored in the firmware folder of the SD card to be used in the EP3.

The metaloader (IPC-meta-xxxx.bin)
The bootloader (IPC-boot-xxxx.bin)
The application (IPC-App-xxxx.bin)

Upgrade Process

Insert an SD card containing the required IPC firmware files and turn on the EP3
Select Upgrade
Navigate to the metaloader and select Load
Briefly place a magnet on IPC “magnet” label
- The IPC LED will start flashing
Select Poll
- Expect “Handshake OK” message
Select Flash
- Memory is first erased, then programmed
- A progress bar is displayed, “Programmed OK” once complete
- If receive “Programming Failed”, turn off EP3 and repeat from step 1
Select Check
- Expect “Firmware OK”
- If receive “Check Failed”, turn off EP3 and repeat from step 1
Select Reset
- The LED will turn off indicating the IPC has restarted using the new firmware
Select Back, navigate to the new bootloader and select Load
Follow the Poll > Flash > Check > Reset process
- The magnet should not be applied at in this step
Select Back, navigate to the new application and select Load
Briefly place a magnet on IPC “magnet” label
Follow the Poll > Flash > Check > Reset process
Confirm upgrade correctly applied
- Send status request to each IPC and confirm firmware version in response