New Delhi, May 25 -- Google may have surprised Fitbit Air buyers with early deliveries, but not all customers are celebrating. While the new screenless fitness tracker was expected to arrive on 26 May, some users on Reddit claimed that they had received the tracker ahead of schedule.

However, one such user isn't happy with the experience because while they have the tracker with them, they can't use it because the new Google Health app has not rolled out to them yet.

While replying to a Reddit post, the user wrote, "Got mine today as well, but I'm stuck on 'app update required' and can't actually pair it."

Meanwhile, a Google employee on the forum also confirmed that the issue was indeed real, writing, "Hey, Andy from Google product tea...