The JBL Connect app, displaying the Boombox speaker and its battery status.

JBL Boombox Firmware Update Instructions

Here, we offer JBL Boombox firmware update instructions for this awesome sounding power bank BT speaker. This upgrade can take up to fifteen minutes depending on the speed of your internet connection. Plus, you cannot easily reverse it. So you won’t be able to downgrade to the earlier firmware version once you complete this upgrade. Thus, be sure that you truly wish the upgrade, considering all its potential gotchas before proceeding.





Prepare for JBL Boombox Firmware Update

Get Connected to the Internet

You’ll need and internet connection, a Bluetooth enabled mobile or desktop computer device, and the latest version of the JBL Connect Plus (Connect+) app, as well as the JBL Boombox speaker itself.

Install the Connect+ App

So, get your mobile device connected to the internet and install the Connect+ app if you haven’t already.

Plug your JBL Boombox into Reliable AC or Car Power

Connect your Boombox to AC power. Why? Because we don’t want its internal battery going dead during the upgrade. Such a mishap could leave corrupted firmware in the speaker’s memory, and thus, render it useless and not repairable.

Pair your Speaker with your Internet Connected Mobile Device

Then, pair your phone or tablet with the Boombox JBL speaker.

You are now ready to begin the firmware updating process on that JBL Bluetooth speaker.





JBL Boombox Firmware Update Instructions

1. Find the JBL Connect+ App on your Mobile Device

We found ours on the fourth home page in our Apple iPad Air, as shown next.

Screenshot of the iOS home screen, showing the JBL Connect app highlighted.
iOS home screen, showing the JBL Connect app highlighted.

2. Run the JBL Connect App

The app takes a few seconds to show you some nifty animations when you first start it, while it searches for eligible connected JBL speakers, as shown next.

The JBL Connect app, searching for connected BT speakers page.
The JBL Connect app, searching for connected BT speakers page.

But then it finds your paired JBL Boombox speaker and shows you its status screen, as shown next.

Note the red dot at the top right edge of the speaker’s Settings gear control. The presence of this dot means that there are important messages about this speaker pending for your to read and act upon.

JBL Connect app, showing the Boombox home page, with the -Settings- gear and the red dot above it.
JBL Connect app, showing the Boombox home page, with the -Settings- gear and the red dot above it.

Note that if there are no current messages or firmware updates available for this particular speaker, then you will see no red dot.

3. Tap the Settings Gear Control

Tapping the Settings button New Firmware Version screen, as shown next.

The JBL Connect app, showing the Boombox New Firmware page, with the -What's New- link.
The JBL Connect app, showing the Boombox New Firmware page, with the -What’s New- link.

 

This screen gives version number details about the available firmware update.

4. Tap the What’s New Link

Touching this link brings up a screen that gives details about the enhancements made to the new firmware version, as shown next.

The JBL Connect app, showing the firmware information page.
The JBL Connect app, showing the firmware information page.

In our case here, it tells us that in version 2.9.0.0, there are just minor but fixes.





5. Hit the Close (X) Button

Touching the X button in the top right corner of the Speaker Firmware Details page takes us back to the New Firmware Screen as shown next.

The Connect app, displaying the JBL Boombox New Firmware page with the -Upgrade- link highlighted.
The Connect app, displaying the JBL Boombox New Firmware page with the -Upgrade- link highlighted.

6. Tap the Upgrade Button

Find the Upgrade button, as pointed at by the green arrow in the last picture above.  Then touch it.

Now if you have not yet plugged your JBL Boombox into AC power, you will get the following screen.

The JBL Connect app, displaying the -Plug Boombox In- page.
The JBL Connect app, displaying the -Plug Boombox In- page.

Note that the I Followed the Instructions button is disabled.  Indeed it will remain so until you connect your speaker to AC power.

Then, once you make that connection, the screen changes to the following.

The JBL Connect app, displaying the -Plug Boombox In- page, with the -I Followed the Instructions- button now enabled.
The JBL Connect app, displaying the -Plug Boombox In- page, with the -I Followed the Instructions- button now enabled.

Note that the I Followed the Instructions button is no longer grayed out.  It has in fact, turned orange, meaning that you can tap it now to continue with the firmware update.

7. Touch the  I Followed the Instructions  Button

Find the I Followed the Instructions button, in the center of the page, as pointed out by the green arrow in the last picture above.

When you tap this, the firmware update begins, and the screen changes to the Upgrading… page, as shown next.

8. The JBL Boombox Firmware Update Begins

The page that shows next displays firmware update progress.

The JBL Connect app, showing the -Boombox Upgrading- page, at 10 percent complete.
The JBL Connect app, showing the -Boombox Upgrading- page, at 10 percent complete.

This screens keep showing as the percentage complete of the operation counts up to 100.





8a. JBL Boombox Firmware Update at Twenty Five Percent Complete

This was probably around four minutes into the firmware update at this point in the process.

JBL Connect app, showing the -Boombox Upgrading- page at 25 percent complete.
JBL Connect app, showing the -Boombox Upgrading- page at 25 percent complete.

8b. JBL Boombox Firmware Update at Fifty Percent Done

The next screenshot shows the upgrade file transfer at 50 percent complete.

The app, showing the -Upgrading- page at 50 percent complete.
The app, showing the -Upgrading- page at 50 percent complete.

8c. JBL Boombox Firmware Update at Seventy-Five Percent Done

The JBL Connect app, displaying the -Boombox Upgrading- page at 75 percent complete.
The JBL Connect app, displaying the -Boombox Upgrading- page at 75 percent complete.

8d. JBL Boombox Firmware Update at Ninety-Nine Percent Done

The app showing the -Upgrading- page at 99 percent complete.
The app showing the -Upgrading- page at 99 percent complete.

8e. The Speaker Restarting Screen Appears

The next screen shows that the firmware file transfer to the speaker has finished (100 percent done). The JBL Boombox now restarts.

JBL Connect app displaying the -Boombox Speaker Restarting- page.
JBL Connect app displaying the -Boombox Speaker Restarting- page.

After some seconds, the Connect app notifies you that the JBL Boombox firmware update is now complete.

8f. Watch for the JBL Boombox Power Lamp to Shut OFF, and then Come ON Again

You should see this happen while the Restarting screen displays on your mobile device, as shown next.

Top view of the JBL Boombox party speaker, with power off, showing all buttons dark.

Watch the power light on the speaker, as shown in the last picture.

Eventually it will go dark, as shown.

The Boombox may or may not turn itself back on again after the upgrade. Ours did come back on. But if yours did not come back up, then press and release the Power button to turn the speaker ON once again.

8g. The Upgrade Successful Screen Appears

Once the app copies and installs the upgrade file to the Boombox speaker, and the speaker comes on again, you get the Upgrade Successful screen, as shown next.

The app, displaying the -Firmware Upgrade Successful- page, with the -OK- button highlighted.
The app, displaying the -Firmware Upgrade Successful- page, with the -OK- button highlighted.

 





9. Press the OK  Button

With your Boombox successfully paired to the JBL Connect+ app again, press the orange OK button in the Connect+ app, as shown in the last screenshot above.





The app then displays the JBL Boombox speaker home screen once again. But this time, note that there’s no longer the red dot, as shown next. This means that the firmware update worked, and that the speaker is now running the current firmware version.

JBL Connect app, showing the -Boombox Home Page- with the -Settings- button, with no red dot highlighted.
JBL Connect app, showing the -Boombox Home Page- with the -Settings- button, with no red dot highlighted.

10. Done with JBL Boombox Firmware Update !

Finally, your firmware firmware is now up to date on your JBL Boombox Bluetooth speaker. Enjoy the fewer bugs and errors.





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  3. JBL Xtreme 2 Firmware Update Instructions
  4. Echo Spot Firmware Update Instructions
  5. UE Roll Firmware Update Instructions

Other Posts About the JBL Boombox BT Speaker

  1. JBL Boombox Low Frequency Mode, Extra Bass
  2. JBL Boombox Factory Reset Instructions
  3. How to Bass Boost JBL Boombox BT Speaker
  4. JBL Boombox Volume Control Explained
  5. JBL Boombox Infinity Button Explained

References

  1. JBL Boombox Splash Proof Power Bank Speaker Official Product Page at JBL.com

Revision History

  • 2021-07-26: First published.
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