
Download Sigma Plus Tool v1.01.11 – Latest Version
If you are in the mobile repair business and want to stay updated with your software work Sigma plus is an advanced multi-brand service software that performs flash programming, unlocks phones, removes the FRP from the device, repairs the IMEI number, and allows users to perform complex services for a wide variety of devices, which include MTK, Qualcomm, Huawei, Unisoc and other types of products; this is provided via either hardware (box or dongle) or digital licensing options.
What is Sigma Plus Tool?
The Sigma Plus service tool is the next-generation version of the classic Sigma Key service tool for mobile phone technicians; however, it was designed with today’s generation of Android devices and newer chips in mind.
In addition to servicing devices made by Samsung, Oppo, Vivo, Honor, Motorola, Alcatel, and many other brands, there are over 50 different brands supported within a single interface; therefore, this is an excellent service tool for professional repair shops.
In January 2026, the tool will transition to a clear annual fee model, ensuring that users always have access to the latest security patches for brands such as Huawei, Samsung, Motorola, and Vivo.

Features of Sigma Plus Tool
- Remove FRP & ID Locks: This feature offers one-click removal for Samsung’s Factory Reset Protection, Huawei ID, and Mi Cloud.
- IMEI Repair: It can repair IMEI numbers on a wide range of MediaTek (MTK), Qualcomm, and HiSilicon phones.
- Flashing & Backup: Easily flashing at high speeds and creating complete backups of firmware for thousands of different models.
- On Click Unlock: Direct unlocking of handsets and unlock code calculation, all without using a single credit from your servers.
- Large Database: Support for over 14000 different models and 50+ services is available from day one.
Sigma Plus v1.01.11 Changelog
This update extends FRP Remove support for Samsung Qualcomm-based devices and introduces improvements to Unisoc module and the Sigma Plus User Guide.
QCOM Tab:
Added FRP Remove support for the following Samsung models and
latest security bit versions requested by Sigma users:
• Samsung Galaxy A05s (SM-A057F) – BIT D
• Samsung Galaxy A05s (SM-A057G) – BIT A
• Samsung Galaxy A21s SM-X216B) – BIT B
• Samsung Galaxy A23 (SM-A235F) – BIT E
• Samsung Galaxy A23 (SM-A235N) – BIT B
• Samsung Galaxy S21 Ultra (SM-G998U) – BIT J
• Samsung Galaxy S21+ (SM-G996U) – BIT J
• Samsung Galaxy S24 (SM-S921U) – bit 5
• Samsung Galaxy S24 Ultra (SM-S928N) – bit 5
• Samsung Galaxy S24+ (SM-S926U) – bit 5
Unisoc Tab:
1. Released Save RPMB security area and Repair Security area features.
These options are used during the Unisoc unlocking process when flashing unlock files.
Full manual is here.
2. Fixed customer-reported issues in the module.
We recommend that you use latest Sigma Plus version only.
Sigma Plus Download Link
The latest updates to the tool add new features and support many recent Samsung and Xiaomi Qualcomm-powered Android devices.. Below is the link to download the latest version for your Windows computer.
Latest Version: v.1.01.11 (Released 29 May 2026)
Official Website: SigmaKey Official
Supported OS: Windows 7, 10, and Windows 11 (32/64-bit)
Hardware Required: Sigma Plus Box, Dongle, or Digital License
Start Using Your Sigma Plus Box Or Dongle
- Plug the Sigma Plus dongle or box into your computer.
- Install the required driver for the Sigma Plus dongle/box (you can find these at the website or with the software).
- Download and install the latest version software.
- Once installed, click “next” or “open” to begin the setup wizard provided by the software.
- Update or activate your box/dongle when prompted by the software.
To Get Started With A Sigma Plus License
- Visit the Official website and register for an account.
- Purchase a license through www.gsmserver.com or a local distributor.
- You can download the software from above link.
- Log in to the software by entering your registered email address and password.
- You are now ready to use your Sigma Plus software.
How to Install and Use Sigma Plus Tool
- Download and extract the Sigma Plus Tool to your computer.
- As Administrator, run the tool.
- Now, install the tool.

- Click on “I Agree terms & conditions”.
- Click Start Install.

- Now, close the installation window.
- Register your account on the tool.
- Contact any official to purchase the Activation, which comes in 3-month, 1 Year packages.
- Activated Your Tool.

- After that, the tool will open.
- Once the tool is open, choose the function you need.
- Then, follow the on-screen steps to connect your phone correctly.
- Make sure to install the USB driver first.
- Check the tool’s log screen for phone detection and start the process.

- Wait for it to complete.
- That’s all!
Frequently Asked Question
It is an easy software for repair phone. It works on MTK, Qualcomm, and Unisoc chips. Use for FRP unlock, IMEI fix, and flash firmware. Good for Samsung, Huawei, Vivo.
Download free setup from SigmaKey or our site. Need a license or box to use full power.
Setup is free. But you pay for license or buy box to unlock all features.
Windows 10 or 11. Good USB port. Install drivers first.
Install software. Log in with your email. It works fast for a digital license. Connect box if you have one.
Yes Works all many Samsung A and M phones. without data loss in some modles
Yes for Huawei and Exynos. all in one app for all brands. Loved by repair shops.



