Company maps of wireless networks can be inaccurate or lacking detail . Comment: Open Signal maps has an app for Android . Smaller carriers , such as US Cellular or MetroPCS , are not shown . RootMetrics has an app for iPhone ; Android and Blackberry versions coming .
Company maps of wireless networks can be inaccurate or lacking detail . Comment: Open Signal maps has an app for Android . RootMetrics has an app for iPhone ; Android and Blackberry versions coming .