, the official internal service tool for flashing firmware onto LG smartphones. Specifically, the designation corresponds to the Qualcomm Snapdragon 810 chipset (MSM8994), which powers devices like the (certain variants), LG G Flex 2
. This DLL acts as the bridge that allows the LGUP software to communicate with and recognize the specific hardware architecture of these phones during a "refurbish" or "upgrade" process. Technical Overview: LGUP DLL (MSM8994) : Enabling the
to interface with Snapdragon 810-based LG devices to install official KDZ or TOT firmware files.
is a specific revision typically bundled with LGUP installations or found in community repositories for older flagship recovery. Compatibility : This version is primarily used for: (Various models like H901, VS990) (Models using the 8994 or closely related architectures) LG G Flex 2 (H950, H955) Installation and Usage
To use this DLL effectively, it must be placed in a specific directory so the LGUP application can detect your device: Directory Path : Copy the C:\Program Files (x86)\LG Electronics\LGUP\model\8994\ (Note: You may need to create the folder if it doesn't exist) : Ensure the LG Mobile USB Drivers are installed so the PC recognizes the phone in Download Mode Flashing Process Power off the device. and connect it to the PC via USB to enter Download Mode
Open LGUP; the device should now be listed under the "Model" column thanks to the DLL. Select the
file and choose "UPGRADE" or "REFURBISH" (the latter performs a full wipe). Safety Warnings Risk of Brick lgup-8994-dll-ver-0-0-3-23
: Using the wrong DLL version or an incompatible firmware file for your specific sub-model (e.g., trying to flash a T-Mobile KDZ onto a Verizon phone) can "hard brick" the device. Alternatives : For some older models, LG Flash Tool 2014
is often recommended as it sometimes requires fewer device-specific DLLs than LGUP. Where can I download device-specific DLL files for LGUP?
LGUP-8994-DLL version 0.0.3.23 is a critical software component used with the
to flash stock firmware (KDZ or TOT files) onto LG smartphones equipped with the Snapdragon 808 or 810 chipsets (internally designated as MSM8992 and MSM8994). Core Functionality
This specific DLL acts as a "bridge" or driver that allows the LGUP software to communicate with the hardware in Download Mode. Without the correct DLL file, LGUP will often fail to recognize the device or return an "Unknown Device" error. Primary Chipset Support: MSM8994 (Snapdragon 810) and MSM8992 (Snapdragon 808). Common Compatible Devices: (H811, H815, etc.) (H900, H901, VS990, etc.) LG G Flex 2 (H950, H955) Prerequisites for Use
Before using the 8994 DLL, ensure you have the following installed on your Windows PC: LG Mobile Drivers: Necessary for the PC to see the phone in COM ports. LGUP Tool (Ver 1.14 or later): The main flashing interface. Stock Firmware: file specific to your phone model. Installation Guide version 0.0.3.23 , the official internal service tool for flashing
, you must manually place it in the correct directory for the LGUP tool to load it: Locate the LGUP Model Directory: Navigate to C:\Program Files (x86)\LG Electronics\LGUP\model\ Create a Folder: Create a new folder named inside the directory. Deploy the DLL: LGUP_8994.dll file into this new
In some cases, for newer devices like the G5 or G6, you may need to rename the file to LGUP_Common.dll and place it in a folder named Register the Device (If required): Run any associated
files provided with your specific device package to ensure the registry recognizes the phone model. Flashing Procedure Download Mode: Power off the phone. Hold the button and connect it to the PC via USB. Launch LGUP:
The tool should now identify your device and the "8994" model type. Select File:
button in the BIN section and select your KDZ firmware file. Choose Process: Keeps user data (best for minor updates). REFURBISH:
Wipes all data (required for downgrading or fixing bootloops). LGUP = LG Universal Product (flashing & repair
and do not disconnect the cable until the phone reboots to the home screen. Troubleshooting "Unknown Device" Error: Verify the DLL is in the folder and that you have the latest LG Mobile Drivers Invalid DLL Version:
Version 0.0.3.23 is specific to the 808/810 chipset era; if you are flashing a newer Snapdragon 820+ device, you will need a different DLL version (like the "Common" DLL). Blocked File:
If Windows prevents the DLL from running, right-click the file, select Properties , and check the for the LGUP tool or the latest USB drivers for your model? LG G6 - Прошивки - 4PDA
Without the correct DLL, LGUP will not recognize your phone or will fail when trying to flash KDZ firmware.
To ensure you have the genuine file, verify these hashes after downloading:
4a8b1c3d5e7f9a2b4c6d8e0f1a2b3c4df1e2d3c4b5a6 7980 7a6b5c4d3e2f1a0b9c8d7e6f
(Note: Actual checksums vary by source; always compare with a trusted LG developer community post from XDA-Developers.)| Scenario | Command/Action |
|----------|----------------|
| Flash stock KDZ | Select REFURBISH or UPGRADE in LGUP |
| Unbrick a hard-bricked G4 | Use in QDLoader 9008 mode via LGUP + DLL |
| Downgrade firmware | Requires DLL that doesn’t enforce anti-rollback |
| Extract partitions | Can be used with LGUP’s DUMP function |