Mysterious Dev Tool is a small tool for all Xiaomi, Samsung, Huawei devices, that help to remove FRP, pattern lock, and network lock. So if you are looking for a tool that helps to fixes all software related problems from your device, then you can download the Mysterious Dev tool once. So check below to download the tool if you are interested.

To unlock (not carrier unlock though) the Windows Phone 7, just download the ChevronWP7. With ChevronWP7, users can unlock any WP7 device on the market using a USB cable after a few clicks. If you afraid that the unlock or jailbreak hack voids the warranty, the ChevonWP7 hack is complete reversible, and the app can relock the phone. After Android pattern unlock tool software download, installing and opening this Android unlock tool, follow the steps below to use the software. Connect your phone and select 'Remove Screen Lock'. Click 'Start' button to get rid of the forgotten lock screen passcode.

Windows Phone Internals is a freeware bootloader unlocker software download filed under mobile phone tools and made available by Heathcliff74 for Windows. The review for Windows Phone Internals has not been completed yet, but it was tested by an editor here on a PC. Windows Phone Internals is a boot unlocker for Lumia phones. Download it from here. How to jailbreak Windows phone 8, 8.1, & 10: 1. First of all, make you have downloaded the aforementioned programs and have installed them on your PC. Then run the unlock tool and a window will be opened. Notice the phone icon on the window as it will be indicating that the phone is not connected to the PC.

Mysterious Dev Tool features

Portable Applications file

It comes with a portable application, which means you don’t need to install on your computer to use it, simply just download then extract the tool using WinRAR or 7zip. Then you can easily use to remove FRP from your device.
Small Applications
It takes a very less amount of memory size on your computer and helps to fixes many problems in your mobiles.
Multiple Options
This tool have many options that allow fixing problems in various Android devices. One of the best feature is it also helps to remove mi account lock from all Xiaomi devices easily.

Unlock Network
With the help of this tool unlock network lock from your all Qualcomm android device easily, just connect your device pc and then click on the unlock network.

Read Network Unlock Code
Mysterious Dev tool also reads the network unlock code from the device, to help you to unlock the network lock. First, enable USB debugging mode and OEM unlock option on your device developer settings, then connect your device to pc to read unlock code.


  1. Add Arabic in Android 5.x.x, 6.x.x, 7.x.x, 8.x.x, 9.x.x Without Root in All Samsung.
  2. One Tap Fix Android.
  3. Samsung, ZTE, LG, HTC Fix Hand Free Without Root.
  4. Sprint Apps remove Without Root
  5. Verizon Apps remove Without Root
  6. T-Mobile Apps remove Without Root
  7. AT&T Apps remove Without Root
  8. Samsung Security Notice remove without Root
  9. Enable CDMA S7 & Later via a Verizon SIM.
  10. WIFI LG Fix Without Root
  11. Checking Device Status Notice Fix
  12. Enable Arabic All Android Without Root
  13. FRP ADB
  14. Enable Data Icon Without Root
  15. Install AlSrab-Keyboard


It is compatible with all versions of Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, and working on both 32 and 64 bit.


  • Windows PC 32 & 64 bit. (Not Working on Other OS)
  • Enable USB debugging mode on Qualcomm devices.
  • Install Qualcomm USB driver on your PC. is not responsible for any damage, try at your own risk.

How to install Mysterious-Dev Tool:-

  • Just download the Mysterious-Dev Tool from the download link,
  • extract the tool on your PC
  • open the extracted folder, there you will see Setup.exe
  • run the tool with administrator permission.
  • It will ask you password, open the password.txt file then copy and paste the password.
  • Install the setup by tapping on next -> next -> Agree > finish.
  • Then go back to the desktop screen.
  • Double click to run the installed tool from there.
  • wait for a few seconds to open the tool on your computer.

Download USB Driver:-

If you install this tool on your pc and want to remove FRP or mi remove or remove the pattern lock from your device then must be installed USB driver on your pc.

Download Mysterious Dev Tool Free

File Name:

File type: Zip
[Use 7zip or Winrar To Unzip File]
Os Support: All Windows [32-64 Bit]
Uploaded By:
Virus Status: 100% Safe By Norton Antivirus
File Size: 200MB

  • Read More: Z3x Samsung Tool Pro Setup
  • Read More: UFI Box Crack


This Tool is created and distributed by the Mysterious-dev team, so special thanks to him and his team for sharing this tool for free.


Well, here I shared the latest setup of the Mysterious Dev Tool here. However, if you facing any error while downloading all the files you can let us know in the comment section.

Updated important infoOnly use this tool to hack/unlock the phone. For deploying xap use Windows phone power tools. You might risk your phone warranty(Blacklisted) if you use this tool to deploy xap. since it doesnt link the xap to ur registered email. Usewindows phone power tools or xap deployer.

It is unsure whether this tool tracks any user login details or credit card info so be sure not to use any of your card details on your phone after using this tool. We dont recommend this tool but we are posting on request by the users.

HI everyone .
Here is a simple way to developer unlock Windows Phone Devices and get 10 MaxUnsignedApp. you dont need to use any live id or .edu id. Follow the below steps and you should have a dev unlocked device.

Before starting : (Make sure you read the whole post twice to understand the steps)
    In order to manually update your wp usb driver, follow the steps below (the next steps):
2. Download and install .net Framework 4.5.1
Windows Phone Unlock Tool
I got L720 with 8.1 dev preview installed.
Using windows 8 on my pc
1. I used the old chinese software
2. I installed it as the instruction above.
3. Disable PC from internet. Run it, it will ask for update. then choose NOT.
4. Disable phone from internet, connect it.
5. After it show the blue button, I reconnect BOTH to the internet network
6. Click the blue button
7. Wait for a while
8. I got an error about script or something, but my phone is unlocked for deploy 10 apps.
9. Try unplug your phone and plug it again, if the tool shows your phone colorful now (not grey). it is unlocked.

Now Click on the file and Install it by this way :

Windows Phone Developer Unlock Hack Tool Download

Run this app using Desktop Shortcut . You see this page :

Windows Phone Developer Unlock Hack Tool Download Free

Developer Unlock Windows Phone

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