Good news for people who have a Apple Watch Series 4. The electrocardiogram function not yet activated will finally reach watchOS 5.1.2.

The news is known by a training document for employees of the Apple Store to which MacRumeurs he had access. This explains that the electrocardiogram function will be available only in countries where it has been approved, initially only in the United States, but all Apple Watch Series 4 They have the option of activating the new sensor in accordance with local regulations.

Apple has promised the activation of the electrocardiogram in Apple Watch Series 4 "before the end of 2018", without specifying when. He also warned that this will depend on the FDA's approval and that its arrival in Europe, Latin America and other regions are related to the consent of local governments.

Although there is no specific date, the existence and distribution of the training material for Apple store employees would indicate the imminent arrival of the update and activation of the new sensor.