The Galaxy Watch was in the market with an eSIM provision the smartwatch allowed me to link a headset or earbuds to respond the calls. It was a great device with all the required features. Now, we have Galaxy Watch 4 & Watch 4 Classic on the merchandise. Both these models taken the latest hardware & software support with an eSIM provision.
One UI watch software-
The One UI watch software merged via Wear OS 3, provide a new structure to the watch auspicious functions. Through the Galaxy Watch 4, it has become simple to create calls, reply to them, or incompetent them. call refusal is also presents on fitness trackers such as Galaxy Fit 2 & Mi Band 6, but no call responding.
The Galaxy Watch 4 duo also permit you to reply to a call without Bluetooth headsets or earbuds, which minimize the requirements for the additional item. In this article we will explore calling function on Galaxy Watch 4 series.
1. ACTIVATE ESIM-
To activate the eSIM functionality, you have to buying a 4G LTE variation of a daily or classic model. Also, you should utilize eSIM-supported smartphones such as Galaxy S21 Ultra, Galaxy Z Fold 3 & Note 20 Ultra. When you linked your smartphone through the smartwatch, then follow some basic steps.
- Click to open Settings.
- Head to Connections.
- Now click to open Mobile Networks.
- Select an option for mobile network utilization.
- Move down and click on Mobile plans.
- Now choose plans for you.
- You can also see data usage on your galaxy Watch 4 by easily exploring the Data Usage.
- This option in Settings Connections.
- Also, you can fix data restrictions, modify and continue the billing cycle.
2. MAKE A CALL-
If you are uses a 4G LTE version, then you can straight forward call from the watch, and no requirements for the handset for that. If you are using the Wi-Fi variant, then you can only type the number from a watch, and through Bluetooth technology, it is conceivable to create a call. Step for making calls-
- Click to open the Phone app on smartwatch.
- The phone app has been provided on the smartwatch, and it is available in an app try or app list.
- Open the Phone app on smartwatch.
3. ANSWER CALLS-
It is important when you left your handset at home, or you wish to reply through your watch in absence of your handset such as when you are driving. For that you have to follow some basic steps.
- Answer calls with an in-built microphone speaker.
The first some Galaxy watches absence this required function. Through the Galaxy Watch 4, you can reply to calls with using a microphone and speaker. You just get the calls and continue a discussion. The watch has an amazing audio input, and the speaker is loud sufficient to hear everything. 
Select phone contact or dial number. Answer using Bluetooth headset or earbuds.
For this step, you required any audible or hearable that support wireless headphone. You can utilize any Bluetooth headset or earbuds to receive the call. You can link any headset with the Buds Controller app on the smartwatch. It supports approx all Bluetooth headsets, Galaxy Buds, and third-party earbuds such as Pixel Buds 2, Apple AirPods 3, and so on.