Updating g1 phone
While the Dream was praised for its solid and robust hardware design, the introduction of the Android operating system was met with criticism for its lack of certain functionality and third-party software in comparison to more established platforms, but was still considered to be innovative due to its open nature, notifications system, and heavy integration with Google's services.
In July 2005, Google acquired Android Inc., a company led by Andy Rubin which was working on unspecified software for mobile devices.
Please also note if you phone is rooted (we will have guide for that up soon), then this will remove your rooted firmware, un-rooting your phone.
First off, you will need to download the update from the following link: Official US Android 1.5 update.
If you are from a different nation that offers the phone, please visit here for your update: Android 1.5 (Non-US) The next part is important.
Insert your micro SD card into the slot in your G1 and plug the phone into your computer.
The operating system offers a customizable graphical user interface, integration with Google services such as Gmail, a notification system that shows a list of recent messages pushed from apps, and Android Market for downloading additional apps.
The operating system's design was quickly reworked, and attention shifted to a new prototype device codenamed "Dream"—a touchscreen device with a sliding, physical keyboard.
The HTC Dream (also known as the T-Mobile G1 in the United States of America and parts of Europe, and as the Era G1 in Poland) is a smartphone developed by HTC.