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Screenshot of Device Manager, containing a Qualcomm device booted in the Emergency Download Mode. The Qualcomm Emergency Download mode, commonly known as Qualcomm EDL mode and officially known as Qualcomm HS-USB QD-Loader 9008 [1] is a feature implemented in the boot ROM of a system on a chip by Qualcomm which can be used to recover bricked smartphones.
The Android Debug Bridge (commonly abbreviated as adb) is a programming tool used for the debugging of Android-based devices.The daemon on the Android device connects with the server on the host PC over USB or TCP, which connects to the client that is used by the end-user over TCP.
Firmware communication protocol and implementation thereof Fastboot is a communication protocol used primarily with Android devices. [ 1 ] It is implemented in a command-line interface tool of the same name and as a mode of the bootloader of Android devices.
The process of rooting varies widely by manufacturer and device but sometimes includes exploiting one or more security bugs in the firmware (i.e., in the version of the Android OS installed on) of the device. [40] Once an exploit is discovered, a custom recovery image that will skip the digital signature check of firmware updates can be flashed ...
Users may sideload video, e-books, or software which is restricted or banned in their country, including material expressing unpopular or illegal opinions and pornography. The content is not streamed, and can be permanently stored in the mobile device.
Team Win Recovery Project (TWRP), pronounced "twerp", [4] is an open-source software custom recovery image for Android-based devices. [5] [6] It provides a touchscreen-enabled interface that allows users to install third-party firmware and back up the current system, functions usually not supported by stock recovery images.
On smartphones, tablets, and other devices, an over-the-air update is a firmware or operating system update that is downloaded by the device over the internet. Previously, users had to connect these devices to a computer over USB to perform an update. These updates may add features, patch security vulnerabilities, or fix software bugs.
The Android software development kit (SDK) includes a comprehensive set of development tools. The Android SDK Platform Tools are a separately downloadable subset of the full SDK, consisting of command-line tools such as adb and fastboot. [4] The Android Debug Bridge (ADB) is a tool to run commands on a connected Android device.