Cellular makes your apple watch actively performed. Even sometimes when your iPhone or Android phone is not with you. Cellular is a mobile network that helps in wireless communication.
TThe cellular network has been shared over the areas that perform fixed duties at a given location when the cell is being distributed.
You must know that cellular is different from wifi. Wifi can let’s connect it to the internet router whereas cellular let is connected to your phone internet with the signal. In 1973 cellular mobile phone was done by Martin Cooper of Motorola and John Mitchell.
Can You Answer Calls On Apple Watch Without Cellular?
Absolutely yes, Cellular is not for making or taking or receiving calls or sending information. You only need to link up with the connected iPhone nearby you with the help of WIFI or data.
It can also be that, your iPhone can be off or out of range then you have to connect the apple watch to wifi to send and to deliver data.