Download MobileSea Service Tool v7.9.1 – MST Tool Latest Version
MobileSea Service Tool v7.9.1 is one of the most trusted software solutions in the mobile repair industry. Whether you are a professional technician at a repair center or an advanced DIY user, this tool gives you complete control over smartphone servicing operations — from FRP bypass and firmware flashing to IMEI repair, unlocking, and data backup. The latest v7.9.1 release, published on August 11, 2026, introduces significant upgrades to the Apple module, expanded Qualcomm device coverage, and several critical bug fixes.
This guide covers everything you need to know about MobileSea Service Tool v7.9.1 — what is new, how to download it, and how to use it step by step.
What Is MobileSea Service Tool?
MobileSea Service Tool is a professional Windows-based utility developed by Gautam Kumar, designed specifically for mobile repair technicians who need deep-level access to smartphone system functions. The tool operates in both online and offline modes, although advanced features such as device unlocking and server-based authorization require an active internet connection.
MST Tool uses a subscription-based model with multiple affordable plans, making it accessible to both individual technicians and large repair centers. Its wide device compatibility, regular update cycle, and support for multiple chipset platforms have made it one of the most popular tools in the GSM servicing community.
Key Features of MobileSea Service Tool
| Feature | Details |
|---|---|
| FRP Bypass | Remove Google account lock on supported Android devices |
| Firmware Flashing | Flash stock ROMs on MTK, Qualcomm, and Samsung chipsets |
| IMEI Repair | Read and write IMEI on supported models |
| Device Unlocking | SIM unlock for multiple brands and regions |
| Data Backup & Restore | Back up and restore user data safely |
| Apple Module | Boot Ramdisk, Passcode Backup, Factory Reset, iOS version reading |
| Online + Offline Support | Works in both modes depending on the operation |
| Multi-Brand Support | Samsung, Xiaomi, Huawei, Vivo, Oppo, Infinix, Tecno, Realme, and more |
Download MobileSea Service Tool v7.9.1
| Detail | Info |
|---|---|
| File Name | MobileSeaToolV7.9.1.zip |
| Version | V7.9.1 |
| File Size | 116 MB |
| Release Date | August 11, 2026 |
| Platform | Windows |
⬇ Download via Google Drive | ⬇ Download via MediaFire
System Requirements
- OS: Windows 7 / 8 / 8.1 / 10 / 11 (32-bit or 64-bit)
- RAM: Minimum 2 GB (4 GB recommended)
- Internet: Required for online operations and authorization
- Additional: WinRAR or 7-Zip for extraction
How to Install MobileSea Service Tool v7.9.1
- Click one of the download links above and save the ZIP file to your PC.
- Right-click the downloaded file and extract it using WinRAR or 7-Zip.
- Open the extracted folder and run the installer (.exe) file.
- Follow the on-screen prompts to complete the installation.
- Launch the tool and log in with your credentials.
- If you plan to use Apple ramdisk features, copy the ramdisk files to
C:\MobileSeaTool\Data\DataFiles\Apple\boot.
⚠️ Important: For operations that require server authorization — such as unlocking Samsung or Xiaomi devices — ensure your PC has a stable internet connection before starting.
How to Use MobileSea Service Tool v7.9.1
Step 1 — Connect Your Device
Connect your smartphone to the PC via a USB cable. Enable USB Debugging from Developer Options if required by your device’s chipset or operation type.
Step 2 — Select the Correct Module
Open MobileSea Service Tool and select the module that matches your device’s processor — MTK, Qualcomm, Samsung, or Apple. Choosing the wrong module may cause errors or failed operations.
Step 3 — Choose the Operation
Select the task you want to perform from the available options:
- FRP Reset / Google Account Bypass
- SIM Unlock
- Firmware Flashing
- IMEI Read / Repair
- Data Backup & Restore
- Passcode Backup & Restore (Apple)
Step 4 — Start the Process
Click the Start button and wait for the operation to complete. The tool will display a progress log in real time.
⚠️ Do not disconnect the device or close the tool while an operation is in progress. Interrupting the process can cause software or hardware-level damage to your device.
What’s New in MobileSea Service Tool v7.9.1?
Release Date: August 11, 2026
Version 7.9.1 is a significant update focused primarily on the Apple module and Qualcomm chipset support. Here is a complete breakdown of all the changes.
🍎 Apple Module — New Additions
- Added A12/A13 Boot Ramdisk support
- Added Passcode Backup & Restore function
- Added Factory Reset option
- Added iOS Version reading capability
- Fixed Mount Error on A7–A11 devices
📱 Supported Apple Devices in v7.9.1
- iPhone 11, 11 Pro, 11 Pro Max
- iPhone SE (2nd Generation)
- iPhone XS, XS Max, XR
- iPad Air (3rd Generation)
- iPad mini (5th Generation)
- iPad (8th & 9th Generation)
📦 Ramdisk File Installation
To use the Apple Boot Ramdisk features, you must download the required ramdisk files from the official MobileSea website and place them in the following directory on your PC:
C:\MobileSeaTool\Data\DataFiles\Apple\bootWithout these files in the correct location, Apple ramdisk operations will not function properly.
⚡ Qualcomm Module — New Device Support
The following Samsung models have been added to the Qualcomm module with their respective security patch levels:
| Device | Model Number | Security Bit |
|---|---|---|
| Samsung A23 | SM-A235N | BIT-C |
| Samsung S24 Ultra | SM-S928N | BIT-6 |
| Samsung S24 Ultra 5G | SC-52E | BIT-1 |
| Samsung S22 Ultra 5G | SM-S908N | BIT-9 |
| Samsung S23 5G | SM-S911N | BIT-8 |
| Samsung S23 Plus | SM-S916N | BIT-6 |
| Samsung M14 4G | SM-M145F | BIT-C |
| Samsung S23 FE | SM-S711U | BIT-8 |
| Samsung Z Flip6 | SM-F741U | BIT-4 |
Frequently Asked Questions (FAQ)
Is MobileSea Service Tool free to use?
MST Tool is a subscription-based tool. A paid activation is required to access most features, though some basic functions may be available without a subscription.
Does it work on Windows 11?
Yes. MobileSea Service Tool v7.9.1 is fully compatible with Windows 7 through Windows 11.
Why is the Apple ramdisk feature not working?
You must manually download the ramdisk files from the official MobileSea website and place them in C:\MobileSeaTool\Data\DataFiles\Apple\boot. Without those files, the feature will not initialize.
Can I use MobileSea Tool without an internet connection?
Yes, for offline-compatible operations such as local firmware flashing or data backup. However, server-side tasks like device unlocking and FRP bypass on certain models require an active internet connection.
Conclusion
MobileSea Service Tool v7.9.1 is a solid update for professionals working with both Android and iOS devices. The expanded Apple module now covers A12/A13 chipsets with ramdisk boot, passcode backup, and factory reset capabilities — features that were previously missing. The Qualcomm module gains support for nine additional Samsung models spanning the S22, S23, S24, M14, and Z Flip6 lineup.
If you are already a MobileSea subscriber, updating to v7.9.1 is a straightforward upgrade that brings real-world value for day-to-day repair work. If you are new to the tool, this version is one of the most well-rounded releases to date — a reliable starting point for both Android and Apple device servicing.
