Question:

Why isn't my fast charging feature working properly on my device? And why doesn't the fast charging notification show up when I connect the charger?

Answer:

We're sorry for the trouble you've encountered. Some users have reported this issue, and it might need further inspection. For now, please visit a Samsung Service Center with your device and its original charger so our experts can check them and run necessary tests. Here's a quick explanation of the relevant terms: 

In the meantime, here's a brief explanation of the technical terms related to fast charging:

1. Fast Charging - Quickly charges your device's battery using special chargers.
2. Notification - A message showing the progress of an action (like fast charging).
3. Charger - An external device that gives power to charge your device's battery.
4. Device - Your electronic product (like a phone) that needs its battery charged.
5. Samsung Service Center - A place where trained Samsung staff fix Samsung products.
6. Inspect - Carefully look at something to find any problems.
7. Tests - Activities done to see if something (or someone) is working correctly.