Mini Diag Tool Download Free 2026 Latest Version

Mini Diag Tool Download Free 2026 Latest Version

After a long time of work, testing, and small failures in between, this Mini Diag Tool is finally shared. This tool is not something big or fancy. It is just a small gift for people who work with phones every day. Repair guys, learners, and those who like to understand how things really work.

The idea behind this tool came from daily problems. Most diag tools today are heavy. They need extra DLL files. They need other software like QPST or QLIB. Sometimes one small file is missing and the whole tool refuses to start. That wastes time and creates frustration, especially when a customer is waiting.

So this project was made with one simple goal. Make something that runs alone. No external files. No helper programs. Just open it, connect the phone, and work.

This Mini Diag Tool is a standalone program. You do not need to install extra support tools. You do not need to copy DLL files from here and there. The tool talks directly to the phone using raw diag communication. Because of that, it feels fast. Commands respond quickly. The tool does not hang or freeze during normal use.

When you connect a phone, the tool starts reading information automatically. You do not have to guess which button to press. It shows basic device details like IMEI, network numbers, and system info. It also tells you how the phone is connected, whether it is online, offline, factory mode, or EDL mode. This is helpful because many times the phone is connected, but the user does not know in which state.

important part is the NV section. Many tools make this confusing. Here, common NV items are already listed with names. You can search them easily. For advanced users, raw editing is also there. The tool supports both older phones and newer processors. It automatically understands what kind of chipset is connected and works accordingly.

Backup was not ignored in this project. Before changing anything, backup matters. The tool allows full backup, backup by range, and quick backup of important items. During restore, it shows what was restored and what was skipped. If something is not supported, it skips it safely instead of stopping everything.

There are also service options included. Things like changing modes, entering diag, switching to download mode, or powering off the phone. These are common actions in repair work, and having them in one place saves time.

One thing many users like is the live log. Every command sent to the phone and every reply is shown. Nothing is hidden. This is good not only for work, but also for learning. You can actually see how the phone responds.

Some antivirus programs may show a warning. This happens because the tool is protected and packed. It does not mean the file is dangerous. Virus scan results are shared so users can check themselves. Adding the file to antivirus exclusions usually solves the issue.

This tool is not made to replace expensive commercial tools. It is not made for misuse. It is shared as it is, without warranty. The responsibility is on the user. If you know what you are doing, it can be very helpful. If you do not, learn first and always take backups.

Mini Diag Tool – Features List

• Stand-alone application
• No external DLL files required
• No QPST or QLIB dependency
• Direct raw DIAG protocol support
• Automatic device detection
• Online / Offline / FTM / EDL mode detection
• Read IMEI 1 and IMEI 2
• Read ESN, MEID, IMSI
• Read phone number (MDN)
• Read MCC and MNC
• Read firmware and baseband info
• EFS file system explorer
• Read EFS files
• Write EFS files
• Delete EFS files
• Recursive folder support
• NV item database (100+ items)
• NV item search filter
• Raw NV hex editor
• Legacy NV support
• Modern subsystem NV support
• Dual SIM NV support
• Full NV backup
• NV backup by range
• NV restore with report
• Smart skip unsupported items
• SPC read and write
• Security bypass for writing
• Mode switch options
• Diag mode switch
• Reset mode
• Check mode
• Download mode (EDL 9008)
• Power off command
• Live command logger
• Real-time response monitor
• High-speed operation
• Lightweight executable

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