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Unlocking the bootloader allows installing and running unsigned code on a device, including user customized software. Operating outside the manufacturer specification might usually result in voiding any warranties and may make the device susceptible to data theft, as the integrity of the operating system (as intended by the manufacturer) can no longer be guaranteed. [1]
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 .
This is an incomplete list of notable applications (apps) that run on iOS where source code is available under a free software/open-source software license. Note however that much of this software is dual-licensed for non-free distribution via the iOS app store; for example, GPL licenses are not compatible with the app store. [citation needed]
In 2008, the 2.6 Linux kernel was ported to the iPhone 3G, the iPhone (1st generation), and the iPod Touch (1st generation) using OpeniBoot. [3] Corellium's Project Sandcastle made it possible to run Android on an iPhone 7/7+ or an iPod Touch (7th generation) using the checkm8 exploit. [4]
OpeniBoot is an open source implementation of Apple's closed source bootloader iBoot. It allows the booting of unsigned code on supported Apple Devices (such as Linux kernels). It also allows to download and install the Android operating system on iPhone , iPad and iPod Touch .
Apple has modified the C compiler toolchain that is used to build iBoot in order to advance memory safety since iOS 14.This advancement is designed to mitigate entire classes of common memory corruption vulnerabilities such as buffer overflows, heap exploitations, type confusion vulnerabilities, and use-after-free attacks.
flashing unlock/oem unlock *** – unlocks an OEM locked bootloader for flashing custom/unsigned ROMs. The *** is a device specific unlock key. flashing lock/oem lock *** – locks an OEM unlocked bootloader. erase – erases a specific partition.
When a system on a chip (SoC) enters suspend to RAM mode, in many cases, the processor is completely off while the RAM is put in self refresh mode. At resume, the boot ROM is executed again and many boot ROMs are able to detect that the SoC was in suspend to RAM and can resume by jumping directly to the kernel which then takes care of powering on again the peripherals which were off and ...