Battery temperature that is way too low will stop the charging process and it will stopping you using your Samsung Galaxy Note 7, so you need to take action right away using the available solutions.
Charging is important processes that will make sure that the phone will have enough juice that it need to operate. But problem may happen on your Samsung Galaxy Note 7 that will stop the charging process such as when the battery temperature is too low. If this is happen, you will find a message that say: “Charging paused: battery temperature too low”.
If the temperature is indeed lower than 4ᵒC, then it may happen but if it’s not, then there is problem with the thermistor that read the battery temperature on the phone.
There are things that you can try to deal with this issue, such as turning off the phone during charging process. There is no harm in it, so it is worth to try.
You also can try to replace the USB charging board for your phone. The thermistor, which is the one that responsible for this problem is located in the USB charging board, so the most obvious action to do is to replace it with the new one.
When you already got the new one, open up the device carefully, release the old USB charging board, replace it with the new one and make sure that it connect perfectly, and then put your device back together.
Now you can reboot the phone and try to charge it as you normally do. If everything went well, then the charging process will run smoothly.
If you don’t want to be bothered with that, you can bring your device to the nearest Samsung service center, use the warranty of that phone and let Samsung technician to fix it for free. No matter what you do, make sure that you know what you are doing and if you have any doubt about fixing this issue, get help from professional technician.