OnePlus 12 and 12R Not Charging or Charging Very Slow (Solved)

OnePlus recently launched its latest flagship smartphones, the OnePlus 12 and the OnePlus 12R 5G. The OnePlus 12 comes with powerful Qualcomm’s Snapdragon 8 Gen 3 chipset. It features a 50MP primary camera and a 64MP telephoto camera with 3X optical zoom. While the OnePlus 12R is powered by the Qualcomm Snapdragon 8 Gen 2 chipset. Both devices come with OxygenOS 14 which is based on the latest Android 14 operating system.

Even the best devices sometimes run into errors or technical glitches that prevent you from using the device appropriately. Many users reported problems on the OnePlus community that their OnePlus 12 and 12R is not charged or charging very slow. This can be disappointing, especially when you use your OnePlus as a primary device and you must require enough battery in order to use the device. Don’t fret, you’re not alone.

Reasons Why OnePlus 12 and 12R Not Charging or Charging Very Slow

Charging the device is important for us to use the device appropriately. But, you may run into errors or technical issues on newly launched devices, which is very common in flagship smartphones. As usual, the phone not charging or charging very slowly could be due to a variety of reasons including faulty charging cable, damaged charging port, using local charging cable and box, outdated software version, and more.

On the other hand, it could be possible that there’s an issue with the hardware on your OnePlus 12 and 12R 5G. It is likely that the charging port is physically damaged or the battery is almost dead. We can’t identify the exact reason for your device, but you may easily fix the problem on your OnePlus by following the outlined workarounds.

How to Solve OnePlus 12 and 12R Not Charging or Charging Very Slow Issue

If you’re someone who has recently bought the new OnePlus 12 and 12R 5G device and after a days or so, you start to encounter issues with the battery, then you’ve came to the right place. It is common to experience occasional errors and issues which can be easily fixed by following the tweaks listed below. Let’s begin with the first method.

1. Reboot your OnePlus Phone

Let’s start with a simple and basic method on your device. If you encounter a charging issue on your OnePlus 12 and 12R 5G, try restarting your device and check the result. At certain times, the device is not charging or charging very slowly happens due to issues with the device software and issues which can be resolved by restarting the handset.

Restarting the device is an effective way to troubleshoot the software conflict and bugs. It also resolves the temporary issues with the application and other services. Make sure to give a shot to this method and you will easily solve the charging issue on your OnePlus smartphones. Here’s how you can restart your OnePlus device:

Press and hold the Power button + Volume Up button at the same time.
Now the Power Off menu appears on the screen.
Slide the slider button towards the Restart option.
Now your OnePlus will shut down and turn back on.

2. Upgrade the System OS

Presently, the OnePlus 12 and 12R device running on OxygenOS 14 version based on the latest Android 14 operating system. It comes with new exciting features for Indian variants and improves the performance of the system. But if you are encountering an issue with the charging after updating the device to the latest OxygenOS 14 then it is common for you.

OnePlus frequently releases the software updates to improve the performance of the device and fix unknown bugs and technical issues. However, it improves the battery of the device as well. Therefore, if the device is not charging or charging very slow then it is suggested to upgrade the software to the latest version. Like other apps running into errors and technical glitches, the bugs and glitches can occur at the device operating system that hampers the functioning of the phone at some activity.

Make sure to check for an update on your OnePlus 12 and 12R 5G by navigating to the phone settings and then tap Software update. If an update is available then make sure to download and install it. Once the download is finished, restart your device to apply changes and then check whether the issue has been solved or not regarding the phone battery. You can test out the issue by plugging your phone into charge. If the device is charging fast without any issues, it’s likely the issue has been resolved.

3. Check Background Activity

Mostly, the device consumes more battery percentage when you’re using applications and it’s running on the background activity. Apart from that, when any applications or services are running in the background of your device then the device will not charge sufficiently. As a result, the OnePlus phone may charge slower than usual.

On the other hand, if any apps or games are running on the device during charging then your phone may not charge properly. In such a case, the only thing you should do is remove the app from the background of your device. Also, it is recommended to close all the apps and processes and turn off the Airplane mode. This will increase the charging speed on your phone. After a few minutes, check whether the issue with the charging has been solved or not.

4. Check Dust and Debris Inside the Charging Port

Now you have passed with basic methods, let’s have a look at the hardware methods that you should perform on your device to solve no charging or charging very slow. It is suggested you check dust and debris particles inside the phone charging port.

In most cases, the debris inside the phone charging port such as lint, dust, and other particles can cause the phone to charge slowly or not charge at all. In case, you’re unable to charge your phone or the phone is charging slowly then clean the charging port. While cleaning the charging port, you should be careful with every step that you are going to take. Here’s how to do it.

First, take a torch or flashlight to check inside the charging port for any dust and debris particles.
Shutdown the device completely.
Take a toothpick or any sharp object except anything metallic to carefully remove the chunk from the port. Be gentle while removing the dust and debris particles because damage to the charging pins will allow you to replace the entire charging port.
Then, take a cotton swab and dip it in isopropyl alcohol and then clean the port. Since the alcohol evaporates easily, it will remove the dust and other particles.
Once you remove the dust or debris particles then leave your phone idle for some time and then plug it in the charger to check if the OnePlus 12 and 12R 5G not charging issue has been resolved.

5. Use the Original Charging Cable

The USB charging cable is one of the most abused hardware factors during the battery charging spree. This is because the cable is twisted, bent, strained, and sometimes it breaks down which usually prevents your device from charging properly. Make sure to check the charging cable for any cuts. If any cuts are visible on the charging cable, then check if connecting the ends together does the trick. If it’s not, then you must have to try a different USB charging cable.

Although, the charging cable is the most crucial part to charge the device sufficiently which can be only possible when you use an original charging cable. It is necessary to check the cable for any cuts. In case, the cuts are not visible and everything looks normal then detach the old cable and try a different cable instead, if you have one in spare.

Once you choose the different cable for your phone to charge then check back after 4-5 minutes whether the not charging issue or even slow charging has been solved. In case, if using the different charging cable did the trick then there’s a fault with your old charging cable. But if using the different charging cable doesn’t make any changes to the charging speed then it’s likely there is another issue with your device. For such a case, you should follow the next method.

6. Make Sure You’re Using Original Charger

Another thing you should pinpoint is make sure that you’re using the original charger to charge your OnePlus 12 and 12R 5G. It is necessary to use the original cable and adapter that comes with the handset for the first time. Once you successfully verified the charging cable then ensure to verify its charging adapter to check whether what’s the actual fault is. Here’s how to do it.

Firstly, detach the old charging adapter.
Take a different charging adapter and attach it with the charging cable and plug your phone to charge the battery.

Now, if your phone begins to charge at the normal speed or even without any hurdles with the original charging adapter and USB cable then the issue with your old charging adapter. In case the issue persists and still the phone is charging very slow then there is an issue with the charging port or other internal components of your device.

If the issue solved by changing the adapter then ensure to use the new adapter instead of using the faulty charging adapter on your device. It is suggested you to use only the original charging cable and adapter for your OnePlus 12 and 12R 5G.

7. Check Port for Physical Damaged

Sometimes, the device does not charge properly or charging very slow due to physical port damaged. Although, the physical damage to the port can be easily noticeable with our naked eye, but water damage isn’t possible to see unless you know what you’re looking for. It is suggested to swap the cable and charging adapter from your device and use it on other smartphones to identify what’s wrong with your device.

If the charging cable and adapter works on another smartphones without hurdles or interruptions, then it’s likely that there is a problem with the charging port itself. In that case, you should hand over your phone to a technical or expert to repair the charging port.

8. Try Using Another Power Outlet

If the OnePlus 12 and 12R 5G is charging very slow or even not charging at all, then you should try using another power outlet. It could be possible that there’s an issue with your current power outlet that you’re using to charge your phone. We suggest you change the power outlet and then charge your phone. Leave the phone idle for above 5-10 minutes and then check if the issue has been solved.

In case, if your OnePlus phone is charging at normal speed without any issue then the previous power outlet was the real culprit. But if changing the power outlet didn’t work for you, there might be another reason.

9. Factory Reset Your Phone

If there is no hardware or physical damage on your OnePlus 12 and 12R 5G then you should factory reset your phone. There is a chance that your device is not charging or charging very slow due to software issues.

If there is a fault with the software system then resetting the device to factory state will help you in fixing the problem. Before you proceed to reset process, it is crucial to take a complete back up of your data and other information on your device.

Once you completely backed up your data on your device including videos, document, photos, and other information, then you can proceed to factory reset process. Here are the steps to factory reset your OnePlus 12 and 12R 5G by following the steps below:

Open Settings app on your OnePlus phone.
Scroll down and tap on Additional Settings.
Then, scroll again and choose Back up and reset option.
Now, select Reset phone followed by Erase all data option.
Enter the phone passcode, if the prompt appears on the screen.
Here, you will get two options: “Erase data but remain eSIM profiles” and “Erase data & remove eSIM profiles.”
Choose the option according to you and then confirm the process.
Now, the device will automatically shut down.

Once you proceed with reset process then it may takes few minutes to turn the device back on. Afterwards, set up your OnePlus phone by following the on-screen prompts and then connect the device to the charge to check whether the issue has been fixed or not.

10. Is Your Phone Battery Dead?

If you have tried the above steps and all of failed to work, then you should check your phone battery status. As usual, the battery on your phone has a lifecycle span where the efficiency decreases when your phone progresses. However, life cycle of 2 years can curtail the battery percentage to just 75-80 percentage.

Therefore, if the OnePlus 12 and 12R 5G is not charging at all or charging very slow, it could be possible that your phone battery is completely dead, or the efficiency is lost. It is suggested you check the battery status of your OnePlus device whether it is stable or not. Since, the OnePlus 12 and 12R 5G has a non-removable battery, you are not able to remove the battery and swap it to a new one.

If there’s an actual issue with the battery on your OnePlus, then we suggest you take some help from professional or expertise. It is best to take your phone to a nearby service center or hire a technician to replace your phone battery with a new one. In case, the battery is working normal, and everything is all perfect then you should contact OnePlus customer support for further assistance.

The Final Resort

Charging the battery on a smartphone is crucial for us to use the device for specific purposes. No matter if it’s a software issue or hardware-related issue, it is essential to solve the no charging or charging very slow issue. We have listed the effective methods that will help you to fix the charging issue on your OnePlus 12 and 12R 5G. In case, if the solutions don’t work for you then head over to an authorized service centre to get the battery replacement, because it’s likely that there’s an issue with the battery.

However, you have a option to visit a local service centre as well to get repaired the software or hardware-related issues. Keep in mind that you will lose the warranty on the device by getting the phone repaired at a local service centre, if the warranty of the device is available. Therefore, we suggest you to head over to OnePlus service centre and they’ll guide with their best methods to fix the charging problem. That’s it; we hope that you’ve found this article helpful to you. Do let us know which troubleshooting methods works best for you.