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An over-the-air update (or OTA update), also known as over-the-air programming (or OTA programming), [1] is an update to an embedded system that is delivered through a wireless network, such as Wi-Fi or a cellular network. [2] [3] [4] These embedded systems include mobile phones, tablets, set-top boxes, cars and telecommunications equipment.
Firmware hacks usually take advantage of the firmware update facility on many devices to install or run themselves. Some, however, must resort to exploits to run, because the manufacturer has attempted to lock the hardware to stop it from running unlicensed code. Most firmware hacks are free software.
Odin is a utility software program developed and used by Samsung internally which is used to communicate with Samsung devices in Odin mode (also called download mode) through the Thor (protocol). It can be used to flash a custom recovery firmware image (as opposed to the stock recovery firmware image) to a Samsung Android device.
Bricking a device is most often a result of interrupting an attempt to update the device. Many devices have an update procedure which must not be interrupted before completion; if interrupted by a power failure, user intervention, or any other reason, the existing firmware may be partially overwritten and unusable.
The Primary Bootloader (PBL), which is stored in the Boot ROM [3] is the first stage of the boot process. This code is written by the chipset manufacturer. [4]The PBL verifies the authenticity of the next stage.
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The management of mobile devices has evolved over time. At first, it was necessary to either connect to the handset or install a SIM in order to make changes and updates; scalability was a problem. [citation needed] One of the next steps was to allow a client-initiated update, similar to when a user requests a Windows Update. [citation needed]
1. Click Connection Settings. 2. Confirm the listed modem and location. 3. Click Next. 4. From the Dialing Options screen, check the box labeled, “I have to dial this number to turn off call waiting".