September 17, 2023
A close-up image of Sony WH-1000XM4 headphones connected to a charging cable. The headphones are displayed on a clean, well-lit surface.

Having trouble with your Sony WH-1000XM4 headphones not charging? 🎧🔌 Don't worry; we've got your back! Check out our comprehensive troubleshooting guide to get your headphones back up and running in no time. Say goodbye to charging woes! 💡 #Sony #Troubleshooting #Headphones #ChargingIssues

In today’s fast-paced world, a pair of top-tier headphones like the Sony WH-1000XM4 is an essential companion for music lovers and professionals alike. However, encountering an issue where these premium headphones refuse to charge can be both frustrating and concerning. Fear not, as we present a comprehensive troubleshooting guide to help you resolve the Sony WH-1000XM4 not charging problem

Basic Troubleshooting Steps for Sony WH-1000XM4

1. Reset and re-initialize the Headphones

Minor glitches or software bugs can occasionally disrupt the charging process. Fortunately, this is easily fixable. Here are the steps:

Reset: Press the POWER + CUSTOM buttons simultaneously while the headphones are plugged into the charging cable. This will reset the headphones to factory settings without deleting your pairing.

Reinitialize: If resetting doesn’t work, turn off the headphones, disconnect the USB charging cable, and press and hold the POWER + CUSTOM button for seven seconds until the blue LED flashes four times. This reinitializes the headphones to factory settings, including deleting all pairings. You’ll need to pair them again.

After these steps, check if your headphones are charging.

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2. Update Firmware

Outdated firmware can sometimes cause charging issues. To ensure optimal performance, update your headphones’ firmware through the Sony Connect App. Here’s how:

  • Download and install the Sony Connect App.
  • Pair your headphones with the app.
  • Navigate to the “Systems” section in the top menu.
  • Enable the “Automatic software update” option.
  • If new software is available, you’ll receive a notification to update your headphones with a single click.

Advanced Troubleshooting Methods

 3. Change Charging Cable & Brick

Sometimes, using a different charging cable or power source can resolve the issue. Follow these steps:

  • While the original Sony USB-C cable is recommended, you can try other compatible USB-C chargers.
  • Ensure the cable is of good quality and not too long, as longer cables may interfere with charging.
  • Experiment with different charging bricks or ports. If using a laptop or PC, try different USB ports.
  • Avoid using high-power-rated chargers designed for fast-charging smartphones, as these might not be compatible with Sony headphones.

4. Use a USB Data Blocker

Intriguingly, using a USB data blocker can sometimes enable charging when it otherwise fails. This involves disconnecting the data lines in the USB cable, allowing only power transfer. Follow these steps:

  • Insert a data blocker (USB condom) into your USB cable to disconnect the data lines.
  • This should allow your headphones to charge even with the USB fully inserted.
  • Data blockers are commonly used to prevent data theft and can be a simple solution to your charging issue.

5. Connect Bluetooth and Then Charge

An unusual but effective solution is to turn on your headphones and connect them to your phone via Bluetooth before connecting them to a charger. This workaround has proven successful for many users.

6. Clean the USB Port

A dirty USB port can hinder charging due to poor contact between the USB connector and the port. To clean the port:

  • Use WD40 contact cleaner, which is safe for electrical contacts.
  • Spray a generous amount of WD40 into the USB port.
  • Gently scratch the inside of the port with a blunt needle to remove debris.
  • Clean it with a soft cotton cloth.
  • Repeat if necessary and let it dry before attempting to charge again.

Battery-Related Solutions

7. Battery Over-Drained

Lithium-ion batteries may refuse to charge when critically drained. To revive an over-drained battery:

  • Connect your headphones to a charger and leave them overnight, even if you don’t initially see charging activity.
  • After at least 12 hours, check if the battery starts charging again.

8. Recalibrate the Battery

Sometimes, battery calibration issues can cause charging problems. Calibrate your battery by following these steps:

  • Fully discharge the battery to zero.
  • Charge it to full.
  • Discharge it to zero again.
  • Repeat this process multiple times.

Alternatively, you can physically disconnect and reconnect the battery, but this is a more advanced procedure.

Battery Replacement

9. Change the Battery

If none of the above solutions work, and you are comfortable working with electronic components, consider replacing the battery. Follow these steps:

  • Purchase a compatible replacement battery.
  • Disassemble the headphones to access the battery.
  • Carefully disconnect the old battery and replace it with a new one.
  • Reassemble the headphones and test the new battery to ensure it charges correctly.

Please be aware that this process voids the warranty and should only be attempted by those with experience in handling electronic components.

Contact Sony Support

If all else fails, don’t hesitate to contact Sony’s customer support for professional assistance. They can provide guidance or arrange for repairs if necessary.

In conclusion, the Sony WH-1000XM4 not charging issue can be resolved through a series of troubleshooting steps. Follow these methods carefully, and you’ll likely have your premium headphones back to full functionality in no time.

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