The phone's tutorial may be describing the original camera app the Nexus 5 came with. As of this writing, the Nexus 5's camera app has been upgraded multiple times with each Android OS 4.4.x iteration. The version out now is version 2.2.024. It's expected to change again with the Android 5.0 OS (Lollipop) release.
Yes, it has a front camera were you can take slef portraits and video call
Nexus 7 tablet 2013 Has a front and rear Camera.
Yes, the Nexus One has a rear 5 MP camera with an LED flash.
In the 2012 Nexus 7, it came with a single camera (in the front). The 2013 Nexus 7 has two cameras, one in the front and one in the back.
Much like a camera app on an Android phone, the Nexus 7 also has its own camera app. If you have the 2012 Nexus 7, it has one front-facing camera. On the 2013 Nexus 7, you have a front- and rear-facing camera. The app is defaulted to the rear-facing camera, but it can be toggled depending on your needs.
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Both phones are manufactured by LG, and they largely have the same architecture. Some of the differences is the G runs on an LTE network (Nexus 4 is HSPA+), has an expandable microSD slot (Nexus 4 has no expandable slot), has a removable battery (Nexus 4 battery is sealed), a 13 megapixel camera available (Nexus 4 only has a 8 megapixel camera), and runs on Android 4.1 Jelly Bean with a manufacturer skin (Nexus 4 has Android 4.3 Jelly Bean stock).
The initial release of the 2012 Nexus 7 did not have the camera app installed, but future OS updates should have installed the app. If one still isn't installed on your Nexus 7, you can download a third party camera app, and it should function the same way as a smartphone camera app. The 2013 Nexus 7 should have the camera app pre-installed.
Nexus phones use Android OS. Unlike most Android phones, the Nexus line are considered "pure Google" phones as the OS does not have either manufacturer and/or carrier modifications (in the form of "skins" and proprietary apps). They also typically receive software updates ahead of carrier phones.
Yes. On the first generation Nexus 7 (2012), it has a front-facing camera. On the second generation Nexus 7 (2013), it has both front and rear-facing cameras.
iphone, nexus 1.
Galaxy Nexus