Mysterious-Dev Tool V1.1.3 is a Windows-based Android servicing utility designed for technicians and advanced users. It provides a combination of functions such as device flashing, unlocking, FRP bypass, and basic repair options for a wide range of Android smartphones.
This guide explains what the tool is, its key features, system requirements, and important safety notes.
📌 What Is Mysterious-Dev Tool?
Mysterious-Dev Tool is an all-in-one maintenance program used to manage Android devices through a Windows PC. It supports multiple functions, including:
- Flash firmware (install stock ROM files)
- Unlock devices (screen lock, bootloader unlock)
- FRP bypass (remove Google account lock)
- ADB & Fastboot utilities
- Device information reading
Version 1.1.3 is one of the updated releases, offering improved compatibility and stability compared to earlier versions.
⭐ Key Features of Mysterious-Dev Tool V1.1.3
🔹 1. Firmware Flashing
Install or update Android firmware (stock ROMs) on supported devices.
🔹 2. Device Unlocking
Undo screen locks like:
- Pattern lock
- PIN lock
- Password lock
- Face lock (model dependent)
Also includes bootloader unlock options for supported phones.
🔹 3. FRP Bypass (Google Lock Removal)
Remove Factory Reset Protection (FRP) locks from supported Android devices.
🔹 4. ADB / Fastboot Functions
Uses ADB and Fastboot command interfaces to perform:
- Reboot to bootloader
- Reboot to recovery
- Read device details
- System reset
🔹 5. Easy User Interface
Designed with a simple layout for technicians and advanced users to quickly select functions and apply them.
Features Tool:
Samsung
Remove FRP (All Models, All Android Versions)
Remove FRP (Android 16 Supported)
Remove FRP (USA Models 2024)
Remove FRP (Security Patch before August 2022)
Remove FRP (Security Patch August 2022 – December 2022)
Paid FRP Server (Credit Based)
Factory Reset
Enable Secret Code for Verizon
Disable Factory Mode
KG Unlock (Untested)
Change CSC
Factory Reset (Test Mode)
Disable Knox (Test Mode)
ADB
Valid / Change SN (Beta)
Remove Samsung Account
Enable Mobile Data Toggle
Remove FRP
Change CSC
Change CSC (Manual)
Mediatak
Factory Reset
Format Userdata
Remove FRP
Unlock Bootloader
Relock Bootloader
Download Mode
Softbrick Fix
Factory Reset
FRP Android 5/6 (Method 1)
FRP Android 5/6 (Method 2)
Odin Flash
BL (Bootloader)
AP (System)
CP (Modem)
CSC
DATA
Recent (Firmware History)
Open (Browse Files for Each Slot)
Reboot
Check MD5
NAND Erase
FLASH
Clear
Xiaomi
ADB
Bypass MiCloud Android 8.1
[ROOT] Enable Diag Mode
Fastboot
[UNLOCKED] Remove FRP
Mediatak
Factory Reset
Format Userdata
Remove FRP
Unlock Bootloader
Relock Bootloader
Bypass Auth
Reset MiCloud Lock
Edl (Qc 9008)
Factory Reset
Remove FRP
Reset MiCloud Lock
Qualcomm Snapdragon
Firehose Loader (Select File)
Storage Mode: Auto
Connect 9008
Factory Reset
Format Userdata
Remove FRP
Mediatek
Factory Reset
Format Userdata
Remove FRP
Unlock Bootloader
Relock Bootloader
Bypass Auth