Google Ads

How to Fix JBL PartyBox App Connectivity Issues

What You'll Need

  • Your JBL PartyBox 310
  • A smartphone with the JBL PartyBox app installed

Troubleshooting Steps

  1. Ensure Basic Bluetooth Connection: Before opening the app, go to your phone's Bluetooth settings and make sure it is successfully connected to the 'JBL PartyBox 310'. The app cannot connect if the underlying Bluetooth connection isn't active.
  2. Check App Permissions: Go to your phone's settings, find the JBL PartyBox app, and check its permissions. Ensure it has access to 'Bluetooth'. For many phones, it also requires 'Location' permission to scan for nearby Bluetooth Low Energy devices.
  3. Restart the App and Speaker: Force close the JBL PartyBox app on your phone. Turn off your PartyBox 310, wait 10 seconds, and turn it back on. Once the speaker has rebooted, open the app again.
  4. Update the App: Go to the Apple App Store or Google Play Store and check if there is an update available for the JBL PartyBox app. Developers frequently release updates to fix connectivity bugs.
  5. Re-pair the Bluetooth Connection: Go to your phone's Bluetooth settings, find 'JBL PartyBox 310' in your list of paired devices, and tap 'Forget' or 'Unpair'. Then, put the speaker in pairing mode and connect it to your phone again as a new device.
  6. Clear App Cache (Android Only): If you are on an Android device, go to Settings > Apps > JBL PartyBox > Storage, and tap 'Clear Cache'. This can resolve issues caused by temporary data corruption.
  7. Reinstall the App: If clearing the cache doesn't work, try uninstalling the app completely from your phone and then reinstalling it from the app store. This ensures you have a fresh installation.
  8. Test with Another Device: If possible, try installing the app on a different smartphone or tablet. If it connects successfully with the new device, the issue is likely with your original phone's settings or software. If it also fails to connect, the problem may be with the speaker.
  9. Factory Reset the Speaker: This is a final step to rule out a software glitch on the speaker itself. With the speaker on, press and hold the Volume Up (+) and Play buttons for about 10 seconds until it powers off and reboots. You will need to re-pair it with your phone afterward.

App Connection FAQs

Why does the JBL PartyBox app need my Location permission?

Modern versions of Android and iOS require Location Services to be enabled for an app to scan for Bluetooth Low Energy (BLE) devices. The app uses BLE to communicate additional data (like light show settings) that standard Bluetooth audio does not support. The app is not tracking your location.

My phone plays music to the speaker, but the app says 'Not Connected'. Why?

This is a classic symptom of this issue. It means the standard audio Bluetooth connection is working, but the app's separate data connection is failing. This is usually caused by incorrect app permissions, an app bug, or a software glitch. Following the troubleshooting steps should resolve it.

Can I update my speaker's firmware without the app?

No, the JBL PartyBox app is the only way to receive and install official firmware updates for your speaker. Keeping your firmware updated is crucial as updates often include connectivity improvements.

Does the app have full functionality if I'm playing music via the USB or AUX ports?

Yes, for the most part. As long as your phone is connected to the speaker via Bluetooth for the data link, the app can still control features like the light show, sound effects, and EQ settings, even if the audio source is from a physical input.

I have two PartyBox 310s in TWS mode. Does the app control both?

The app will connect to the primary (Left channel) speaker. Most settings, like EQ and light shows, will be synchronized across both speakers automatically. You typically do not need to connect the app to the secondary speaker.

Other PartyBox 310 Guides

JBL PartyBox 310 Battery Replacement

A step-by-step guide to safely replace the battery in your PartyBox 310 speaker.

JBL PartyBox 310 Bluetooth Won't Connect

A guide to troubleshoot and fix Bluetooth pairing and connection issues with your PartyBox 310.

JBL PartyBox 310 No Sound Output

Diagnose and resolve problems when your PartyBox 310 is powered on but not producing any sound.

JBL PartyBox 310 Firmware Update Issues

Solutions for common problems after a firmware update, such as poor sound quality or loss of bass.

JBL PartyBox 310 Won't Turn On

Step-by-step troubleshooting for when your PartyBox 310 shows no signs of power.

JBL PartyBox 310 Wheel Replacement

A guide to replacing a broken or damaged wheel on your PartyBox 310 speaker.

JBL PartyBox 310 Telescoping Handle Repair

Instructions for fixing or replacing a stuck or broken telescoping travel handle.

JBL PartyBox 310 Light Show Not Working

Troubleshoot and fix issues when the built-in light show is frozen, off, or not responding.

JBL PartyBox 310 Mic/Guitar Input Repair

A guide to diagnose and fix problems with the microphone and guitar inputs on your speaker.

JBL PartyBox 310 Water Damage Repair

First aid and repair steps to take if your splash-proof PartyBox 310 gets excessively wet.

JBL PartyBox 310 Speaker Driver Replacement

An advanced guide on how to replace a blown or damaged woofer or tweeter in the PartyBox 310.

JBL PartyBox 310 Top Control Panel Repair

How to fix unresponsive or sticky buttons (volume, play/pause, bass boost) on the main control panel.

JBL PartyBox 310 AC Power Port Replacement

A guide to replace a loose or damaged AC power input port, preventing the speaker from charging or turning on.

JBL PartyBox 310 TWS Pairing Fix

Troubleshooting steps for when you can't connect two PartyBox 310s together in True Wireless Stereo mode.

JBL PartyBox 310 Flashing Light Error Codes

Diagnose problems by understanding what the different flashing light error codes on your speaker mean.

JBL PartyBox 310 Fan Noise & Overheating Repair

How to clean or replace the internal cooling fan to fix excessive noise or overheating issues.

Get the Official App

Make sure you have the latest version of the JBL PartyBox app for the best performance and access to all features.