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HTC, Google Pixel, and Xiaomi: Power and volume down; Zebra and symbol devices: Right scan/action button; Sony: Power and volume up; Google Nexus: Power, volume up and volume down; On Samsung devices, (excluding the Nexus S and Galaxy Nexus devices), power, volume down and home has to be pressed for entering ODIN mode. This is a proprietary ...
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. On Samsung smartphones, the Samsung Secure Boot Key (SSBK) is used by the boot ROM to verify the next stages. [5]
Bootloader unlocking is the process of disabling the bootloader security that makes secure boot possible. It can make advanced customizations possible, such as installing custom firmware . On smartphones , this can be a custom Android distribution or another mobile operating system .
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 Google Nexus and Pixel line of devices can have their bootloader unlocked by simply connecting the device to a computer while in bootloader mode and running the Fastboot protocol with the command fastboot oem unlock on older devices, [50] or fastboot flashing unlock on newer devices. [51]
Google Pixel is a brand of portable consumer electronic devices developed by Google that run either ChromeOS or the Pixel version of the Android operating system.The main line of Pixel products consists of Android-powered smartphones, which have been produced since October 2016 as the replacement of the older Nexus, and of which the Pixel 9, Pixel 9 Pro and Pixel 9 Pro XL are the current models.
By default Google apps are not installed with GrapheneOS, [5] [12] but users can install a sandboxed version of Google Play Services from the pre-installed "AppStore". [12] The sandboxed Google Play Services allows access to the Google Play Store and apps dependent on it, along with features including push notifications and in-app payments.
The first stage bootloader, which is a part of the MBR, is a 512-byte image containing the vendor-specific program code and a partition table. [6] As mentioned earlier in the introduction part, the first stage bootloader will find and load the second stage bootloader. [6] It does this by searching in the partition table for an active partition. [6]