Last week, we told you about issues that some Google Nexus 7 (2013) users were having with the GPS system on the tablet; with this problem, the GPS signal would stop working as fast as 2 minutes after it was turned on. Owners of the problem slates were told that Google was hard at work trying to get a fix out, but apparently some Google Nexus 7 (2013) owners received a replacement unit...Source: http://www.phonearena.com/news/Some-Google-Nexus-7-2013-units-are-having-touchscreen-issues_id46284
