You can use your Samsung Galaxy S21 FE 5G to wireless recharge compatible devices.
If you are having problems with trying to get this feature to work properly, then you can take a look at this troubleshooting guide from Seeking Tech.
1. The first step you can take to resolve issues with the wireless power sharing feature is to make sure that the device you are trying to recharge is Qi certified.
2. The Samsung Galaxy S21 FE 5G should also have at least 30% battery life remaining.
If it doesn’t, then you should recharge the phone first to get above 30% before using it as a power bank.
3. Next, you need to make sure that the wireless charging coil of the other device is aligned to the middle portion on the back of the Galaxy S21 FE 5G.
You should hear a notification or feel the phone vibrate when a connection is made between the two devices.
4. If the wireless power sharing feature is slow or not working at all, you can try removing the cover and/or accessories you have attached to the S21 FE as well as the device you are trying to recharge.
5. If your Galaxy S21 FE 5G or the other device is currently connected to wireless earbuds, earphones, headphones or headsets, then you need to disconnect them.
6. Furthermore, you should make sure that there aren’t any objects, such as metals and magnets, between the back of the S21 FE and the device you are trying to recharge.
Try to keep both devices as clean as possible.
7. You should also make sure that you set up the wireless power sharing feature correctly on the Samsung Galaxy S21 FE 5G.
To do so, you need to take the following steps:
- Go to the Settings menu on the Galaxy S21 FE.
- On the front page of Settings, you need to select the “Battery and device care” option.
- You then need to select the Battery option.
- Afterwards, you need to select the “Wireless power sharing.”
- In the next screen, select the “Battery limit” option and then set the battery percentage for the device that you want to recharge with your Samsung Galaxy S21 FE 5G.
- Finally, turn on the wireless power sharing feature from this menu.
7. Moreover, you need to avoid charging in an overly hot environment. Otherwise, the recharging process could slow down or not work at all due to the Galaxy S21 FE 5G, the device you are trying to recharge or both overheating.
For most electronics, the recommend temperature range is usually around 32°F to 95°F (or 0°C to 35°C).
8. You should also avoid using the wireless power sharing is a very humid environment such as a sauna, near a shower or near a bath.
9. Try not to cover your phone and the device you are trying to recharge when using wireless power charging. Otherwise, the heat will not properly dissipate.
10. While the Samsung Galaxy S21 FE 5G has an IP68 rating in terms of water resistance, you should absolutely avoid using this phone to wirelessly recharge another device if it, or the other device, is wet.