Despite its massive growth in the market, TOZO is a brand that so many music lovers are still not familiar with. Without a doubt, TOZO has done an excellent job of producing budget headphones, providing sufficient value for the money.

And unquestionably, TOZO has always been recognized for the top category of earphones that it produces. Both the ground-breaking and fantastic TOZO NC9 and NC9 Plus are respectable, Active Noise Cancelling Wireless Earbuds that don’t leave a dent in your wallet.

However, several users have lately reported that the TOZO NC9, along with its elder brother, the NC9 Plus, won’t charge after extended usage. Well, there is nothing to be concerned about! If you ever wondered how to prevent your TOZO NC9 from not charging, or why its case isn’t charging, this article is for you. So, continue reading to find out how to fix stop TOZO NC9 from charging or case not charging.

Why Do You Face Stop TOZO NC9 from Charging Issue?

TOZO is a less expensive competitor to Apple’s AirPods Pro and has USB and wireless charging. There is more than one explanation for why the TOZO NC9 earbuds and charging case won’t charge. Some of the most common reasons to stop TOZO NC9 from charging include:

  • Dirty USB Port
  • Broken or Faulty USB Cable
  • Faulty Wireless Charger
  • Battery Drained Completely
  • Defective TOZO Case and Buds

How to Fix TOZO NC9 Earbuds Not Charging?

Below, we have mentioned a wide number of solutions to fix issues like stopping NC9 from charging. So, be sure to read them thoroughly.

Clean USB Port

In case your TOZO NC9 earbuds and case are not charging, check your USB port. The charging port on your device is probably covered with dirt and particles from your pants since you use it so often. Using a toothpick, carefully remove any dirt or debris that may be blocking your charging port. Then, wipe the dust away with a wet toothbrush and some soft cloth. If the NC9’s charging port is acting up, the best course of action is to get a new case from Amazon that won’t cost you a fortune.

Check USB Cable

Because we use charging cables so often, they wear out faster than any other component. If the TOZO NC9 earbuds and case you’re using aren’t charging, try a different USB cable. Immediately replace the USB cable if it shows any signs of wear and tear.

Try a Different Charger

If the TOZO NC9 earbuds and case won’t charge while using a wireless charger, consider using a wired charger instead. Sometimes a problem might be traced back to a malfunctioning charger. To verify that your charger is functional, try plugging in a different device.

Update Firmware

Many people said that doing so allowed their Bluetooth headphones to begin charging once again. This is another option you have. But before you do that, you should do a quick Google search to see whether the TOZO NC9’s firmware can be updated. If that’s the case, you should probably update it.

Programming Mode

Leaving your headphones in programming mode might cause all sorts of problems, including stop TOZO NC9 from charging. So, make sure you double-verify that the programming mode isn’t activated by mistake. In such a case, you should switch it off and check once again to see whether the problem has been fixed.

Charge on Cool Place

Li-ion batteries are most vulnerable when the ambient temperature is high. Your TOZO NC9 buds won’t charge if the environment around your charging station is very warm. Let your TOZO NC9 buds rest for a while if they’re too warm to touch comfortably.

It’s also not a good idea to power your earbuds using a fast charger. Any pair of TOZO earbuds must be charged with the included USB-C cable and standard power adapter.

Temperature Matters

Because of its prolonged use, the ambient temperature eventually rises to a point where it is higher than the temperature at which it can be charged. If that’s the case, you should wait for it to be lowered down before attempting to charge it again.

Plug and Leave

The battery will be entirely drained if you watched your favourite movie without removing the earbuds last night.

If this is the case, put your TOZO NC9 earbuds in the charging case, connect the case to the wireless charger, and leave it for a couple of hours. When using a cable, the TOZO NC9 needs just 1.5 hours to fully charge, while using a wireless charger would take 2 hours.

Reset Your TOZO NC9 Earbuds

Unfortunately, faulty software is another common cause of earbuds not charging. If your TOZO NC9 earbuds have seen better days, you should reset them.

  • Disconnect and take out the earbuds from their charging case.
  • To turn off the earbuds, press and hold the touch buttons on each of them until the light begins flashing red.
  • If you continue to press the buttons for another five seconds, the light will alternate between blue and red flashes.
  • Press and hold both buttons for a second. When you’ve finished the procedure successfully, a purple light will come on, indicating that you are done with resetting.


Why are My TOZO NC9 Earbuds Not Turning On?

If you have a problem with either your left or right TOZO earbud, it’s likely because it’s not getting charged. To begin, take it out of its charging case and use toothpicks and rubbing alcohol to thoroughly clean the metal contacts. Put it in the case again and keep it plugged in for 30 minutes.

Why Won’t My TOZO NC9 Earbuds Connect?

If your TOZO NC9 earbuds aren’t syncing with your mobile device, try removing them from their case and touching the buds together for 5 seconds, or until the red light begins blinking. After 15 seconds, remove your finger from the sensor and touch it again and this time the indicator light should flash purple three times. Now, place both earbuds into the case and lock the cover closed. To reconnect, open your phone’s Bluetooth settings, remove the existing pairing, and then repeat the process.


The TOZO NC9 earbuds are undoubtedly the best earbuds, allowing users to enjoy wireless charging. The TOZO NC9 earbuds and charging case, however, might have charging problems from time to time. But by implementing the mentioned-above solutions, you will be able to resolve the problem like stop TOZO NC9 from charging. It should be noted that maintaining up-to-date firmware is essential for a smooth and trouble-free experience.