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Old 27-09-2017, 10:30 AM   #3
revogsx
Senior Member
 
Join Date: Sep 2008
Posts: 768
The W1 or W2 chip are not in the iphone itself.

The W2 chip in new for Apple Watch 3 to boost wireless performance.
Seems no mention of added battery life.

I guess online review will be more in next few days
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