Device Unlock Tool v3.4.0.0 No Need Login Free Download
Device Unlock Tool v3.4.0.0 is a powerful all-in-one unlocking and repair software for routers, modems, and smartphones. It supports many chipsets like Qualcomm, MTK, SPD, and also works with ZLT, ZTE, Huawei, Google Pixel, and more devices.
This tool is very popular among technicians because it offers many free services, easy operation, and wide device support. Most basic features work without credits, making it very useful for daily servicing work.
Read Also: SamFw FRP Tool v5.4 Add Samsung EDL Read info, Factory reset, Reset FRP

Key Features of Device Unlock Tool v3.4.0.0
🔹 General Features
- Secure user authentication system
- Credit system for General and Huawei features
- License status checking (no expiry issue)
- Auto USB port detection and manual port selection
- Live log window for real-time operations
ZLT Devices Features
- Start INFO (AUTO) and Get Device Data
- WAN ON / OFF control
- Unlock support for X21 / Kj33 (Injection 1 & 2)
- ZLT X28 Unlocking
- Firmware update for X28 (All & Ooredoo)
- 14-digit IMEI writing for ZLT devices
Qualcomm Functions
- Flash and Dead Fix support
- INFO Diag and Diag to EDL mode
- Read Dump with custom size selection
- Read / Write QCN files
- Read / Write NV data
- Qualcomm Diagnostic IMEI repair
- C082 SuperAdmin password read
- Fastboot to EDL mode
SPD & MTK Support
- MTK 5G Flash & Unlock
- BadBlock and SSID Hide error fix
- ZLT X28 SSID or IMEI fix
- 6-digit SSID writing
- Unlock support for Zain D5H and E5
PatchArea Functions
IMEI writing for:
- O2 500N D5H
- OWA500
- X10 / X16 / X20 series
- IMEI Super Admin access
- ADB Open for OWA500
- ADB via Port and SU via ADB (O2 Gosun)
- Aurora O2 SuperAdmin password recovery
ZteWiseFone Support
Supported models:
- MF927
- MF935
- ZLT 30 PRO
ADB Unlock
Open ports via IP:
- 192.168.0.1
- 192.168.1.1
Huawei & Google Pixel Features
Huawei V5
- Unlock
- Write / Read
- Flash (Fastboot Mode)
Google Pixel
- IMEI 1 & IMEI 2 writing
- Supported models: Pixel 7 to Pixel 9 Pro
- Start INFO function
Free Services (No Credits Required)
- Aurora O2 Firmware Upgrade
- Router Login & Management
- ZLT X28 (All / Airtel / 8.5.5.1)
- Zong MF25 (2019 / 2020 / 2021)
- Megafon MR150-7
- Ufone 683
- ZXIC Series (MF927U, MF920U, MF937)
- ZXIC Dead Fix
How to Use Device Unlock Tool v3.4.0.0 (Step-by-Step)
1. Download- Download the ZIP or RAR file from the direct download link.
- Extract the file to your desktop.
- Open the folder and right-click on
- Loader_device unlock tool.exe
- Select Run as administrator.
- Wait for the login box to appear.
- Email: softwarecrackguru@gmail.com
- Password: 123456
- Click the Login button. The main tool will open.
- You can now use all Free Services.
- Note: Features marked “Credit Required” will still need paid credits.
Download Link: Device Unlock Tool v3.4.0.0 - Latest
Conclusion
Device Unlock Tool v3.4.0.0 is a complete solution for unlocking, flashing, IMEI repair, and router management. With strong support for ZLT, Qualcomm, MTK, SPD, Huawei, and Pixel devices, it is an excellent choice for mobile and router technicians.
If you are looking for a free, powerful, and easy-to-use unlocking tool, this version is definitely worth trying 👍
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