How To Fix Sony WF-1000XM4 Not Charging?- 5 Fixes!

In the ever-evolving world of wireless audio technology, the Sony WF-1000XM4 stands out as a remarkable pair of true wireless earbuds renowned for their superior sound quality, noise-canceling capabilities, and sleek design. These earbuds have garnered a dedicated following of audiophiles and tech enthusiasts who appreciate their premium features. However, like any electronic device, they are not immune to occasional issues, and one of the most frustrating problems users may encounter is the Sony WF-1000XM4 not charging.

When your Sony WF-1000XM4 earbuds refuse to charge, it can disrupt your daily routine and rob you of the exceptional audio experience you’ve come to expect from these earbuds. This guide will delve into the various reasons why your Sony WF-1000XM4 may not be charging, offering practical solutions and troubleshooting steps to help you resolve this issue and get back to enjoying your music, podcasts, and calls without interruption. Whether the problem lies in the charging case, the earbuds themselves, or other factors, we will explore them in detail, equipping you with the knowledge to identify and address the root cause of this vexing problem.

The Sony WF-1000XM4 has earned its place as a highly sought-after true wireless earphone, celebrated particularly for its exceptional active noise cancellation (ANC) capabilities. With the ability to effectively eliminate ambient noise, it elevates the listening experience by delivering pristine sound quality. However, it’s worth noting that the battery tends to deplete more rapidly when ANC is enabled.

In the event that you encounter charging issues with your Sony WF-1000XM4, fret not. You can implement the following solutions to address and rectify the problem.

Why is My Sony WF-1000XM4 Not Charging?

When you find that your Sony WF-1000XM4 headphones are not charging within their case, there could be several underlying reasons contributing to this issue. Among the most prevalent culprits are unclean charging cases and improper placement of the earbuds within the case.

It’s equally important to verify that you’re charging case itself holds a sufficient charge. If it doesn’t, simply position the earbuds within the case and connect the case to a charger to initiate the charging process.

How To Fix Sony WF-1000XM4 Charging Problem?

Before considering discarding your Sony WF-1000XM4 headphones due to charging problems, it’s worthwhile to explore several potential solutions. These are common troubleshooting steps that can often resolve charging issues.

1. Place Your Earbuds Correctly

The primary culprit behind wireless earbuds failing to charge is often incorrect placement. It’s a common oversight – we tend to place the earbuds in the charging case without much thought, relying on the magnets to align them with the charging sensors.

However, occasionally, the magnetic force doesn’t work as expected, leading to one or both earbuds not making proper contact with the charging pins. Consequently, even if the case itself is fully charged, the earbuds remain uncharged.

To rectify this issue, the initial step to take is simple yet effective: remove both earbuds from the case and then place them back in. This straightforward action typically re-establishes the connection and initiates the charging process.

2. Charge Your Case

While the Sony WF-1000XM4 offers a respectable battery life, it typically discharges after approximately 20 to 22 hours of continuous use. If you haven’t charged the case since the previous day or used it in over a week, the battery level is likely quite low.

In instances where you attempt to charge the earbuds by placing them in the case, but the case itself lacks sufficient power to charge them, an effective step is to connect the case to a charger with both earbuds inside. Allow them to charge for at least 30 minutes and then check if the earbuds have gained sufficient charge.

If the earbuds remain uncharged even after this attempt, it indicates that the issue lies elsewhere, prompting the need to proceed with the next troubleshooting solution.

3. Clean the Contacts

Despite the Sony WF-1000XM4 case boasting wireless charging capabilities, it’s essential to note that the earbuds themselves do not support wireless charging. Instead, the charging process relies on the presence of metal contacts, both on the earbuds and inside the case, which serve as electrical conduits to charge the earbuds.

Over time, it’s common for the charging case to accumulate dust and moisture, which can cover these crucial metal contacts. When this occurs, the layer of dust acts as an insulator, preventing the flow of current. Consequently, when you place your earbuds in the case, even if the case is fully charged or connected to a charger, the earbuds won’t charge as intended. This underscores the importance of maintaining clean, unobstructed metal contacts for effective charging.

4. Update the Firmware

Outdated and buggy firmware can be a significant factor causing connectivity and charging issues with your Sony WF-1000XM4 earbuds. To address this concern, it’s essential to keep your firmware up-to-date.

To update the firmware, you can connect your earphones to either your Android or iPhone device and install the Sony Headphone Connect app. Within the app’s menu, locate the Sony WF-1000XM4 option and check for any available firmware updates. If there are updates pending, proceed to install them.

After updating the firmware, check whether the charging problem has been resolved. If not, it’s advisable to explore the next troubleshooting solution.

5. Reset Sony WF-1000XM4

In the event that you’ve attempted all the previously mentioned solutions, yet your Sony WF-1000XM4 earbuds are still not charging, it may be time to consider a reset. Resetting the earbuds can effectively restore them to their original state and resolve minor software glitches that might be causing the issue.

To reset your Sony WF-1000XM4 earbuds, follow these steps:

  • Disconnect the earbuds from your smartphone.
  • Place the left earbud into the charging case.
  • Connect the USB-C cable to the charging case.
  • Proceed to open and close the case lid five times.
  • Once the LED indicator on the case turns red, close the lid and wait for 5 seconds.
  • Retrieve the left earbud when the indicator light flashes green.
  • Repeat the same process with the right earbud.

This reset procedure can often resolve persistent charging problems, allowing your earbuds to function as intended. If the issue persists even after resetting, it may be necessary to explore alternative solutions or seek professional assistance.

That’s it! Your Sony WF-1000XM4 earbuds have been successfully reset. If you require further clarity or guidance, consider watching the official instructional video provided for a step-by-step demonstration.


These straightforward solutions have proven effective in resolving charging issues with Sony WF-1000XM4 wireless earbuds. By diligently following the provided steps, you can typically resolve the problem. However, if none of the aforementioned solutions prove successful, it may indicate a defect in your device that necessitates replacement. In such cases, it is advisable to get in touch with Sony’s customer support team to arrange for a replacement unit.

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