Howthe mobile phone (that is off, but had been just plugged into USB) informs the Windows PC (with installed drivers "MediaTek PreLoader USB VCOM port" and "MediaTek USB Port") how to identify itself: as device - "MediaTek PreLoader USB VCOM port" or as - "MediaTek USB Port"?
When you plug in a MediaTek phone, it will turn on, but not fully on. The boot ROM will run, which will run the preloader, and depending on implementation, either show the charging animation or starts the Linux kernel and enters into a mode called kernel power-off charging (KPOC) that shows the charging animation. The devices you're seeing are associated with the first two stages. Both devices are used for downloading firmware to the phone, but they represent different stages and support different command sets. MediaTek USB Port is created by the boot ROM, and MediaTek PreLoader USB VCOM port is created by the preloader (it runs after the boot ROM and does further hardware initialization).
Usually, only the preloader device would show up upon plugging the phone in, but it seems in your case the phone might be configured to enter the boot ROM's download mode, and if it doesn't see a connection, to continue into the preloader, which will offer another download mode. It's also possible that there is some sort of issue with the preloader that causes the phone to reset back to boot ROM to start an emergency download mode.
Download the Qualcomm HS-USB QDLoader 9008 Driver, made by Qualcomm. The Qualcomm HS-USB QDLoader 9008 Drivers work perfectly with all Qualcomm devices running Android OS. Therefore, all lines of devices, both new and old, are compatible with this latest Qualcomm HS-USB QDLoader 9008 Driver.
The Qualcomm HS-USB QDLoader 9008 Driver is needed to put the Qualcomm device into Emergency Download (EDL) mode. EDL mode is a special mode on Qualcomm devices that allows the device to be connected to a computer and have its firmware, partition table, and other sensitive areas reflashed or modified.
The Qualcomm HS-USB QDLoader 9008 Driver allows putting a Qualcomm device into Emergency Download Mode (EDL). The package of the Qualcomm HS-USB QDLoader 9008 EDL Drivers must be installed on the computer to put a Qualcomm device into Emergency Download Mode (EDL) and perform tasks such as flashing firmware, unbricking, or manipulating partitions. This mode is mainly used for unbricking devices not booting up, recovering from failed firmware updates, or allowing developers to modify firmware or partitions.
Qualcomm 9008 mode, also known as Emergency Download (EDL) mode, is a special mode on Qualcomm-based devices that allows the device to be connected to a computer and have its firmware, partition table, and other sensitive areas of the device to be reflashed or modified. This mode is mainly used for unbricking a device that's not booting, recovering from a firmware update failure, or for developers to modify firmware or partitions on the device.
The Qualcomm HS-USB QDLoader 9008 Driver, intended for use with Qualcomm Android devices, is compatible with all versions of the Windows operating system, including Windows XP and the latest Windows 11, and works on both 32-bit and 64-bit computers. However, it is currently not available for macOS or Linux operating systems.
The Qualcomm HS-USB QDLoader 9008 Driver is available at no cost, as the Qualcomm community officially releases it for use with Qualcomm smartphones and tablets. Users can download the appropriate device drivers from the Qualcomm Support forums.
The Qualcomm HS-USB QDLoader 9008 Driver is considered safe to use on computers, laptops, and mobile devices as the Qualcomm community officially releases it. In addition, it poses no harm to the computer, as it has been verified to be secure.
Updates for the QDLoader 9008 Driver are not released on a set schedule and are made available to fix bugs and enhance performance. These updates are provided directly by Qualcomm and not on a predefined schedule.
The Qualcomm HS-USB QDLoader 9008 Driver can be installed by downloading the .exe file and executing it on your computer. The installation process is similar to that of a common Windows application. A guide on how to install the driver correctly can be found on the How to install the Qualcomm HS-USB QDLoader 9008 Driver page, which provides detailed instructions.
The Qualcomm HS-USB QDLoader 9008 Drivers are designed specifically for smartphones and tablets that use Google's Android operating system. However, whether these devices will work with other than Qualcomm smartphones and tablets is still determined.
The Qualcomm HS-USB QDLoader 9008 Driver does not need an internet connection on a Windows computer or laptop. Connecting Qualcomm devices to the computer is done via a USB cable. Thus no Wi-Fi or Bluetooth connection is necessary.
The Qualcomm HS-USB QDLoader 9008 Driver enables communication between your device and a computer but does not provide the ability to view contents on your device. To do this, you must connect your device to the computer with a file manager or specialized software from its manufacturer to access its contents. This driver can also be used for transferring files and updating the firmware of your device's firmware.
The Qualcomm HS-USB QDLoader 9008 Driver is designed to facilitate communication between mobile devices, such as smartphones and tablets that use Qualcomm processors and run on the Android operating system, with a computer via USB. This enables users to transfer files, update device firmware, or debug their devices. However, this driver cannot be used for desktop computers since they typically do not have Qualcomm processors, nor are they running an Android OS.
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