Nokia OST Tool (Latest version)

🔧 Nokia OST Tool – The Official Flash Utility for Nokia Devices

The Nokia OST Tool, also known as the Online Service Tool, is Nokia Mobility’s proprietary software solution designed specifically for flashing official stock firmware on Nokia Android smartphones. Whether you’re performing a routine software update or recovering a bricked device, this tool ensures safe and reliable flashing directly from your Windows PC.

But that’s not all—it also comes equipped with powerful features to remove screen locks and bypass FRP (Factory Reset Protection) on supported models, making it a versatile choice for technicians and advanced users alike.

📥 Download Nokia OST Tool for Windows

The Nokia OST Tool (Online Service Tool) is the official utility used to flash .nb0 or .mlf stock firmware files onto Nokia Android smartphones and tablets. Whether you’re restoring factory firmware, fixing software issues, or unlocking your device, this tool is a go-to solution for Nokia technicians and advanced users.

🔧 Key Features:

Flash official Nokia firmware files (.nb0 / .mlf)

Unlock boot looped or bricked devices

Remove screen locks and FRP (Factory Reset Protection)

Repair software-related issues on Nokia Android models

⚙️ How to Use Nokia OST Tool (Step-by-Step Guide)
Using the Nokia OST Tool correctly ensures a smooth flashing experience. Just follow these steps carefully:

🖥️ Step 1: Install the Tool on Your PC
Begin by downloading and installing the Nokia OST Tool on your Windows computer.

🗂️ Step 2: Get the Stock Firmware
Download and extract the correct Nokia stock ROM (.nb0 or .mlf format) for your device.

🔌 Step 3: Install Nokia USB Drivers
Make sure the necessary USB drivers are installed. Without them, the tool won’t detect your device.

🔄 Step 4: Modify Your PC’s MAC Address (Important!)
The OST Tool requires a specific MAC address to function.
Here’s how to set it:

Go to Network & Internet Settings

Click Change Adapter Options

Right-click Ethernet > Choose Properties > Click Configure

Under the Advanced tab, find Network Address or Locally Administered Address

Enable the option and set this MAC address: 0CD2B5444B34
⚠️ The tool won’t launch without this step.

🚀 Step 5: Launch the OST Tool
Run the file named OnlineUpdateTool.exe from the following location:
C:\Program Files (x86)\OST LA\

🔐 Step 6: Log In to the Tool
Use the credentials below:

Account: NokiaIN528_433527

Password: 5WP5D3

📁 Step 7: Load the Firmware
After logging in, select the extracted Nokia firmware you downloaded earlier.

🔗 Step 8: Connect Your Device
Boot your device into Fastboot Mode or Download Mode, then connect it to the PC using a USB cable.

➡️ Step 9: Begin Flashing
Click Next on the OST interface to start flashing your Nokia device.

📄 Read Me (Important Information Before You Use Nokia OST Tool)
📌 🔐 Tool Login Info
To access the OST Tool, use the following credentials:

Username: NokiaIN528_433527

Password: 5WP5D3

Domain: (Leave blank)

Required MAC Address: 0CD2B5444B34
⚠️ Note: The tool won’t work unless your MAC address is changed to the one above.

🛡️ 🧪 Virus Scan Status
For your safety, the tool has been scanned with Kaspersky Antivirus before being uploaded to MoboFiles.com. It’s clean, safe, and verified.

📁 💾 Backup Reminder
Before flashing, always create a full backup of your contacts, images, videos, documents, and other important data.
👉 Installing stock ROM will wipe everything from your device.

👨‍💻 🎖️ Credit
All recognition goes to Nokia Mobility, the original developer and distributor of the OST Tool. We at MoboFiles.com are simply making it easier for you to access and use.

🔌 🧰 USB Drivers Included
We’ve included the essential drivers needed to connect your Nokia device to your computer:

Nokia USB Driver

MTK USB Driver

Qualcomm USB Driver

🔄 🛠️ Alternative Flash Tools
If the OST Tool doesn’t suit your needs, MoboFiles.com also provides alternative Nokia tools like:

Phoenix Service Tool

Nokia HMD DeviceKit