The Nokia OST Tool (Online Service Tool) is an official Windows software for Nokia phones that allows you to flash .nb0 and .mlf stock firmware on Nokia Android phones.
Additionally, The OST Tool also helps to remove screen locks, repair stuck at device logo, upgrade or downgrade OS, and Frp bypass in just one click.
In the following topics, we have given the link to download Nokia Online Service Tool V6.3.7 Latest All version Setup along with proper instructions to use on any computer easily.
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Nokia OST Tool Download Latest Version
Download OST Tool V6.3.7 latest version along with all versions for your Windows computer to flash or unlock the Android phone easily for free.
| File Name | OST_Tool.exe |
| Size | 40MB |
| Type | zip |
| Download Server | Mediafire, Mega |
| OST_Tool_v6.3.7 [Latest] | Download |
| OST_Tool_v6.0.4 | Download |
| OST_Tool_v6.0.9 | Download |
| OST_Tool_v6.1.2 | Download |
| OST_Tool_v6.1.8 | Download |
| OST_Tool_v6.2.3 | Download |
| OST_Tool_v6.2.8 | Download |
| OST_Tool_v6.3.3 | Download |
What is Nokia Online Service Tool?
The Nokia Online Service flash Tool enables you to fix Stuck at bootlogo, DRL errors, Slowness, forgotten Pattern Password, and FRP lock on Nokia Android smartphones.
The tool supports all the Nokia Smartphones, all you need is to use the correct version of the Nokia Flash Tool.
- Nokia Online Service Tool v6.0.4 – Designed for Nokia Android 6 & Android 7.
- Nokia OST Tool v6.1.2 & above – for Android 8 & latest.
If you want a hassle-free solution to restore a hard or soft-bricked, stuck at boot logo (Doesn’t boot up), flash, unlock, repair, or upgrade & downgrade the OS of your Nokia phone then the use the Nokia OST Flash tool to fix the phone.
Nokia OST Supported Platforms
Here’s the list of all the supported platforms in which you can use the Nokia OST Tool:
- Windows XP
- Windows 7
- Windows 8
- Windows 8.1
- Windows 10
Supported Models
| Nokia 1 | Nokia 1 Plus | Nokia 1.3 |
| Nokia 2 | Nokia 2.1 | Nokia 2.2 |
| Nokia 2.4 | Nokia 3 | Nokia 3.1 |
| Nokia 3.1 Plus | Nokia 3.2 | Nokia 3.4 |
| Nokia 4.2 | Nokia 5 | Nokia 5.1 |
| Nokia 5.1 Plus (X5) | Nokia 5.3 | Nokia 5.4 |
| Nokia 6 | Nokia 6.1 | Nokia 6.1 Plus (X6) |
| Nokia 6.2 | Nokia 7 | Nokia 7 Plus |
| Nokia 7.1 | Nokia 7.2 | Nokia 8 |
| Nokia 8 Sirocco | Nokia 8.1 (X7) | Nokia 8.3 5G |
| Nokia 9 PureView | Nokia C01 Plus | Nokia C1 Plus |
| Nokia C2 | Nokia C3 | Nokia C10 |
| Nokia C20 | Nokia G10 | Nokia G20 |
| Nokia X10 | Nokia X20 | Nokia X71 |
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How to Install Nokia OST Tool
- Download & extract Nokia OST Tool to your PC
- Open the Flash tool folder and run OST_tool.exe.
- Then install the tool on your PC
- Click Next > Next > Close.
- Then run the flash tool from desktop shortcut.
How to flash Nokia firmware with OST Tool
The procedure of using the Flash tool with the flash file is pretty simple, just run the tool to your PC, then select the stock firmware, & Click on the Start button, Now Power Off your phone and Put it into the download mode then connect to the computer, that’s it.
Steps to flash firmware
- The Flash tool Login Window will opened
- Login with your Authorized ID & Password
- Click Next
Configure the tool
- After that, Click on Browse button
- Then select the .nbo or .mlf format file from the extracted firmware folder
- Then Click Next
- Select Update Option & Click Next
Connect the phone to Windows
- After that, Power Off your Nokia phone & put it into the Download Mode
- Make Sure, Install USB driver, (Skip this if you are already have done).
- Then connect the device to the Computer
Start Flashing
- Go back to the Flash tool & Click Next
- Now the Flashing process will start
- Wait for the finish.
- Once finished, you will get the “Download Succeed” message on the tool
- Then disconnect and power on your Nokia phone.
- That’s it.
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