Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software and designed primarily for touchscreen mobile devices such as smartphones and tablets.
A team of academics from three different universities and two private companies have just discovered a new vulnerability that affects almost every Android device since 2012. The vulnerability is known as RAMpage, and it could be used to gain complete control over the device.
The Android operating system contains a number of useful secret undocumented menus and screens used by techs and service personnel. This article shows you how to access these menus by simply keying in a number on the keypad.
Entering the Fastboot mode on the Sony Ericsson Xperia Arc (and many other SE Android phones) is easy and straightforward, however, this guide serves as a reminder of which button enters Fastboot and which enters Flashmode.