Galaxy S8 Wireless Charging Not Working: Fix It

If your Galaxy S8 has stopped charging wirelessly, the cause is usually a misaligned coil, a foreign object between the phone and pad, or a software glitch. This guide walks you through the most common fixes, from cleaning the charging contacts to resetting the phone’s battery stats, so you can get your phone charging again without a service visit.

What You’ll Need

• Your Galaxy S8 and the wireless charger you’re using
• A soft, dry microfiber cloth (no water or cleaning solutions)
• A can of compressed air (optional but helpful for clearing debris)
• A different USB cable and wall adapter (for testing)
• A paperclip or SIM ejector tool (for a soft reset, if needed)

Step-by-Step

1. Check the basics. Make sure your phone is placed on the charger with the center of its back aligned with the charging pad’s coil. The S8’s coil is roughly in the middle of the phone, just below the camera. If the phone is slightly off-center, it may not charge.
2. Remove the phone case. Thick cases, metal cases, or cases with magnetic mounts or pop sockets can block the wireless signal. Take the case off and try charging again.
3. Inspect the charging pad and phone for debris. Look at the back of your phone and the surface of the pad for dust, lint, or small metal objects (like coins or paperclips). These can interrupt the connection. Use a dry microfiber cloth to wipe both surfaces. For stubborn debris in the phone’s charging port area, use compressed air.
4. Try a different spot on the pad. Some pads have a small sweet spot. Move the phone slightly up, down, left, or right on the pad and watch for the charging indicator (a blue light or the battery icon showing a lightning bolt).
5. Test with a different charger and cable. Plug your wireless charger into a different wall adapter and USB cable. A weak or failing adapter can prevent the pad from delivering enough power. Ideally, use the adapter that came with your charger, but if you don’t have it, try one that outputs at least 5V/2A.
6. Check if the pad works with another phone. If you have another phone that supports wireless charging, test it on the pad. If it charges fine, the problem is with your S8. If it doesn’t, the pad itself is faulty.
7. Restart your phone. A simple restart can clear temporary software glitches that might be interfering with wireless charging. Press and hold the Power button, then tap “Restart.�
8. Clear the USB cache (if the problem started after a software update). Go to Settings > Apps > Show system apps (three-dot menu in the top right) > USB Settings (or “USB System Driver�) > Storage > Clear Cache. Then restart your phone.
9. Boot into Safe Mode. This disables third-party apps that might be causing conflicts. Press and hold the Power button, then when the Samsung logo appears, release the Power button and immediately press and hold the Volume Down button. Keep holding it until the home screen appears with “Safe Mode� in the bottom left corner. Try wireless charging in Safe Mode. If it works, a third-party app is the culprit. Restart the phone normally and uninstall recently installed apps one by one until the issue is resolved.
10. Perform a soft reset (if the phone is unresponsive). Press and hold the Power and Volume Down buttons simultaneously for about 10-15 seconds until the screen turns off and the phone vibrates. This is not a factory reset and won’t delete your data.
11. Check for software updates. Go to Settings > Software Update > Download and install. Samsung regularly releases updates that fix bugs, including charging issues.
12. Reset the phone’s battery stats (as a last resort). This doesn’t physically change anything, but it can clear corrupted battery data. Go to Settings > Apps > Show system apps > Battery > Storage > Clear Data. Then restart your phone. Note: this will not harm your phone, but it will reset any battery usage history.
13. If nothing works, the hardware may be faulty. The wireless charging coil inside the phone can become loose or damaged, especially after a drop. The charging port can also be damaged, which can affect wireless charging because the two are connected. In this case, you’ll need to take the phone to a professional repair service.

Common Mistakes

• Using a metal case or one with a magnetic mount. These physically block the electromagnetic field and will prevent charging.
• Placing the phone upside down. The coil is not centered; it’s near the bottom half of the phone. Placing it with the top of the phone at the bottom of the pad often misaligns the coils.
• Ignoring the charging pad’s LED indicator. If the pad’s light is blinking red or not turning blue, it’s often signaling an error, not just a slow charge.
• Using a third-party wireless charger that isn’t Qi-certified. The S8 uses the Qi standard. A non-certified charger may not be compatible or may charge very slowly.
• Forgetting to check the cable. A loose or damaged cable can cause intermittent charging or no charging at all, even if the pad itself is fine.

Tips

• Keep the back of your phone clean. A thin layer of dust can reduce charging efficiency. Wipe it regularly with a dry cloth.
• Remove your phone case before charging. Even a thin case can slightly reduce the charging speed, and a thick one can stop charging entirely.
• Use the original Samsung wireless charger. It’s designed to work perfectly with the S8’s coil placement. Third-party chargers may have a different sweet spot.
• Don’t leave the phone on the pad overnight. While it’s safe, it can cause the battery to heat up slightly, which over time can degrade battery health. It’s better to charge to 100% and unplug.
• If the phone gets very hot while charging, unplug it. Overheating can damage the battery. Let it cool down before trying again.

Troubleshooting

If you’ve followed all the steps above and your S8 still won’t charge wirelessly, here are a few more things to try:

• Check if the charging pad is working with a different device. If you have a friend’s phone that supports wireless charging, test it. If it doesn’t charge, the pad is broken. If it does, your S8’s coil is likely damaged.
• Look for physical damage. Examine the back of your phone for cracks or bulges. A swollen battery or a cracked back can push the coil out of alignment or damage it.
• Try charging with a cable. If your S8 charges fine with a cable, the wireless charging coil or its connection to the motherboard is the issue. If it doesn’t charge with a cable either, the problem might be the charging port or the battery itself.
• Consider a factory reset. This is a drastic step, but if a software bug is deeply embedded, a factory reset (Settings > General Management > Reset > Factory Data Reset) can fix it. Make sure to back up your data first.
• If the phone is still under warranty, contact Samsung. They may repair or replace the phone for free.

Frequently Asked Questions

Why does my S8 say “Wireless charging paused�?

This usually means the phone detected an issue, like misalignment, a foreign object, or overheating. Realign the phone, remove any metal objects, and let it cool down.

Can a case prevent wireless charging?

Yes. Thick cases, metal cases, or cases with magnetic mounts or pop sockets can block the signal. Remove the case and try again.

Is it safe to use a third-party wireless charger?

Yes, as long as it’s Qi-certified. Non-certified chargers may not work properly and could damage your battery over time.

Why does my S8 charge slowly wirelessly?

Wireless charging is inherently slower than cable charging. Also, a thick case, misalignment, or using a low-power adapter (less than 5V/2A) will slow it down further.

How do I know if my wireless charger is broken?

Test it with another phone that supports wireless charging. If it doesn’t charge that phone, the charger is likely faulty.

Can a software update fix wireless charging?

Yes, sometimes. Software bugs can cause charging issues, and Samsung often releases updates that fix them. Always keep your phone updated.

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