Nokia 6, in other markets, had received August Security Update earlier this month but the Indian variant of Nokia 6 went on sale on 23rd August and hence received the August Android Security update a bit late. Nokia 6 has started receiving the July and August Android Security Updates in India.
What's new in this update:
Along with the July security patch, the update also brings some system stability improvements and WiFi compatibility improvements. The August security update brings a new quick-action button for capturing a screen shot with a single tap.
The July Security Update is 162.3MB in size and August update is 119.2MB in size. You will be notified whenever the update is available for your device.