Well, the first manufacturer to use Android is "HTC" , HTC dream was the first official device to run Android on 22nd October 2008.
HTC
Usually, in order to update your device from one version of Android to another, you must receive an update from your carrier or the device's manufacturer.
This blog has a handbook of the Android phone. http://androidmanual.blogspot.com/. Another option is to contact the manufacturer and they will send you a guide.
Android.... And HTC
HTC Dream was the first phone launched by Android
The manufacturer is experiencing difficulties releasing Android lollipop but it will be out soon. cnet.com/news/motorola-why-you-dont-have-android-lollipop-yet/
android beta.
Various Android devices are upgrading to Android 4.4. Check with either your carrier, manufacturer, or region on when the release date is going to be. Reportedly, The Galaxy Note 2 is eligible to receive Android 4.4 soon.
Andy Rubin was the first person who developed the Android phone in 2004. It was a small company. After the release of the iPhone in 2007, Google bought Android for 50 million to develop the software and Andy Rubin was appointed as head of the division. Android, the name, was born with the 1990 8bit-game in which the robot was called Android. See the related link for further information.
The Nexus 7 is a tablet by Google in partnership with Asus. It features the Android OS without manufacturer and carrier modifications, and upon release, has class-leading hardware at an inexpensive price point. The first generation Nexus 7 had Android 4.1 OS. The second generation Nexus 7 has Android 4.3 OS, and upgraded specs.
TECHNICALLY the term android means that outside servers save your information like contacts in the cloud. the first signs of this technology was used by Danger and their Sidekicks in 2002. But the answer you probably want is Google's Android service.. The first android phone ; The G1 with T-Mobile was made in 2008.
The weight of an Android device can vary depending on the model and manufacturer. On average, an Android smartphone typically weighs between 5-7 ounces. For tablets, the weight can range from 0.7 to 1.5 pounds.