Tips
One UI 4.0 Tip: How to use NFC and make payment on Samsung phones?

Currently, Samsung’s latest foldable Galaxy Z series smartphones are experiencing the most anticipated One UI 4 beta program in South Korea and India. One UI 4 beta brings extensive customization capabilities and a wealth of theme options that let the users adjust the look and functionality of their device.
Meanwhile, the company also concluded the One UI 4 beta program for the Galaxy S21 series. Now, we can expect officials to release stable updates soon. Although, here, we are discussing how to use NFC and payment on Samsung One UI 4.
What is NFC?
Near Field Communication (NFC) allows users to communicate with another device without connecting to a network. This technology is used by Android Beam and certain payment apps.
Furthermore, it is an advanced technology that is used in contactless cards. The most common use of NFC technology in smartphones is to make payments easily through Samsung Pay. NFC can also be used to quickly connect to wireless devices and transfer data with Android Beam.
Read more: One UI 4.1 Eligible Devices: Next Samsung Android 12 update after One UI 4.0
How to use it?
The device that you are transferring to needs to support NFC, and it needs to be within four centimeters of your device.
- Go to Settings,
- Tap Connections
- Then, Click on NFC and contactless payments
- Tap to turn on this feature.
Tap and pay
Use an NFC payment app to make payments by touching your device to a compatible
credit card reader.
- From Settings, tap Connections > NFC and contactless payments, and then tap to turn on NFC.
- Tap Contactless payments to see the default payment app.
- To use another payment app, tap an available app to choose it.
- For a payment app that is open, tap Pay with the currently open app.
- To set another payment service as the default, tap Others, and then tap the service you prefer.
Note: NFC technology is used with Samsung Pay. Turn on this feature to see how easy and secure it is to use your device to make payments.
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One UI
Here’s how to switch your Galaxy buds between your phone and tablet

If you own a pair of Galaxy Buds, you might want to use them with both your phone and tablet. But how do you switch between the two devices without having to manually disconnect and reconnect them? Don’t worry, you can do that as Samsung offers a function for Galaxy devices named “Auto switch to other devices”.
The Auto switch to other devices function allows your Galaxy Buds to automatically connect to the phone or tablet you’re using when you start a call or play media. This way, you don’t have to worry about missing a call or pausing your music when you switch devices. You can enjoy seamless audio across your Samsung devices.
To use this feature, you need to sign in to the same Samsung account on both your phone and tablet. This feature may vary depending on your device, so make sure you have the latest software update on both devices. You also need to enable Bluetooth on both devices and pair your Galaxy Buds with them.
To enable the auto switch feature, follow these steps:
- Tap on Earbuds settings.
- Tap on the Auto switch to other devices option
- Toggle on the switch, next to the devices you want to use with the auto switch.
That’s it! Now you can enjoy using your Galaxy Buds with both your phone and tablet without any issue. You can also disable the auto switch feature anytime by following the same steps and toggling off the switch.
One UI
Here’s how to add transitional effects on lock screen of your Samsung device

Samsung offers a bundle of features for lock screen customization on your Galaxy smartphone. In addition to the wallpaper, you can now add transition effects for lock screen wallpapers, all thanks to the Samsung Wonderland Good Lock module.
The new update of Samsung Wonderland added a new type of wallpaper that includes captivating transition effects when the user turns on the screen. It allows users to customize their experience by setting different wallpapers with transitions.
How to add transitional effects on the lock screen?
To apply the transition effect lock screen wallpaper, you just need to follow a few steps given below.
- Open Samsusng Wonderland app.
- Tap on the “Create your different lock screen effect” option.
- Select any one transitional wallpaper for the lock screen. You can also select it from the Gallery app.
- Now tap on the Set as Wallpaper option and it is done.
However, you can customize the transition effects type, Speed, thickness, Brightness, and Grayscale of the lock screen, just need to tap on the Edit option ahead of Set as wallpaper.
Tips
Here’s how to use Samsung Galaxy Watch 4 ‘Water Lock Mode’

Samsung Galaxy Watch 4 offers a remarkable feature named Water Lock Mode. It prevents unintended interactions while submerged in water. This feature is a valuable addition, ensuring seamless functionality and peace of mind while wearing the Galaxy Watch 4 in the water.
There are two simple methods to activate Water Lock Mode on the Galaxy Watch 4. The first involves a quick swipe down to access the Quick Settings Panel, followed by tapping the Water Mode icon.
Alternatively, users can enable this mode through the device’s Settings menu by selecting “Advanced Features” and toggling on the “Water Lock” option. Once enabled, Water Lock Mode renders the touchscreen inactive, shielding the watch from accidental touches underwater.
To deactivate Water Lock Mode, users can press and hold the home key. The watch emits sounds to expel water from the speaker, while a gentle shake eliminates any moisture from the pressure sensor.