Header Ads

INFINIX X623 TEST POINT / EDL MODE

Hello guyz today am going to share with you how to enter edl mode on infinix X623

HERE IS THE TEST POINT / SCHEMATIC OF INFINIX X623



WHAT IS EDL MODE

Devices with Qualcomm chipsets have a Primary Bootloader (PBL) which typically boots the Android system, but also houses an alternative boot mode known as EDL mode. EDL mode is Qualcomm’s Emergency Download Mode and allows an Original Equipment Manufacturer (OEM) to force flash software on a device. This cannot be modified (read-only mode) and has full control over the device’s storage. Many OEMs including OnePlus and Xiaomi have released tools (known as programmers) which utilize EDL mode and a protocol known as Firehose to unbrick a device, while other tools from companies such as Nokia have leaked. Firehose can utilize a number of commands to flash devices, along with the ability to examine the data within a device’s memory. Security researchers Roee Hay (@roeehay) and Noam Hadad from Aleph Research have discovered critical device vulnerabilities using this mode, which effectively grants an attacker full device access.

It’s important to note that this exploit requires physical access to the device, but it’s still incredibly dangerous and likely cannot be patched. The attackers utilized the level of access granted to the EDL mode to bypass secure-boot on a Nokia 6, defeating the chain of trust and gaining full code execution across every part of the boot sequence including the Android OS itself. It is theorized to work the same way on other devices, and the researchers also managed to unlock and root multiple Xiaomi devices without any data loss.



No comments