Troubleshooting Firmware Updates for Combustion DevicesUpdated a month ago

This article provides helpful guidance for updating Combustion Predictive Thermometers, boosters, and displays. We understand that firmware updates can sometimes be challenging, and we're here to help you through the process.

Known Issues

You may notice that firmware updates can sometimes experience delays or occasionally stall. Our team has identified that these issues relate to how the current firmware update library interacts with multiple Combustion devices. 

Best Practices for Updating Firmware

Before You Begin

• Ensure devices are charged

• Update devices one at a time

• Turn off all other Combustion devices

• Update to the latest app version

During the Update Process

Most Important: Only Power On One Device at a Time

The key to successful firmware updates is having only the device being updated powered on. This helps the update process run smoothly without interference.

1. For CPT Updates:

   • Remove the CPT from its booster

   • Turn off all other CPTs, boosters, and displays

   • Turn off the CPT's own booster as quickly as possible after removing the CPT

   • Proceed with the update through the app

2. For Booster Updates:

   • If possible, remove the CPT from the booster and use a basic charger to keep the CPT off during the update

   • Turn off all other devices

   • Proceed with the booster update through the app

3. For Display Updates:

   • Turn off all CPTs and boosters

   • Proceed with display update through the app

Helpful Troubleshooting Tips

If the Update Stalls at "Update - Starting":

1. Wait a few minutes (sometimes there can be longer delays than expected)

2. If still stalled, restart the app completely

3. When restarting the update, remember to ensure only one device is powered on

If the Update Completes But Then Enters Update Mode Again:

• This is a behavior we've seen with some boosters

• If the app confirms your device is up to date, you can safely exit the update process

If You Experience Repeated Difficulties:

• Try using a basic charger to keep CPTs turned off during booster updates

• Make sure no other Bluetooth devices are actively connecting to your Combustion devices

• Confirm only one app is attempting to connect to your Combustion devices

Coming Soon

We're developing an improved update system that will be available soon. Thank you for your patience 🙏🏼

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