• Try restarting and reconnecting the Bluetooth device on your iPhone.
  • If your Bluetooth device can only connect to one device at a time, disconnect it from any other devices before you pair it to your iPhone.
  • If nothing works, try resetting the network settings on your iPhone.

Basic Fixes

  • Reconnect device: Open the Settings app, go to Bluetooth, select your device, and tap on Forget. Reconnect the device; this should eliminate any glitches.
  • Use 5GHz Wi-Fi : Bluetooth uses a 2.4GHz frequency band, which can overlap the signals and cause problems. Therefore, try using a 5GHz Wi-Fi.
  • Disconnect other devices: Not all Bluetooth devices can connect to multiple devices at once. So, if your Bluetooth device is not automatically connecting to your iPhone, it may have already connected to another device.
  • Restart iPhone : Restarting your iPhone can eliminate any temporary bugs and glitches.

Fix 1: Update or Reset Bluetooth Device

Some Bluetooth devices come with a dedicated app for controlling and configuring them. These apps also offer the option to update the firmware. If the Bluetooth device not auto-connecting on your iPhone is a widespread issue, the developers will certainly fix it with an update.

Resetting the Bluetooth device will reset all the applied configurations to their default states, which means that most issues will likely be fixed. This is also possible on the official Bluetooth device app. Here’s how it looks on the Samsung Galaxy Buds app.

For example, here’s how it looks on the dedicated app for Samsung Bluetooth devices to update the firmware .

Update Software - 1

Fix 2: Reset Network Settings on iPhone

Resetting the network settings on your iPhone will reapply all the default configurations related to your Wi-Fi, Cellular, and Bluetooth networks. If your Bluetooth device is not connecting automatically on your iPhone, this is an effective fix.

Step 1: Open the Settings app. Tap on General .

Step 2: Select Transfer or Reset iPhone > tap on Reset > Reset Network Settings.

Select Transfer or Reset iPhone - 2

If this does not work too, as a last resort, reset all the settings on your iPhone.

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