If you cannot afford or find an official NCK Dongle, consider these alternatives (though they lack the 2.5.6.2 specific features):
The is an essential update for any professional GSM technician dealing with modern MediaTek devices. However, it is not free software . It requires a physical box and an active subscription. nck dongle android mtk 2.5 6.2 download
If you answered "No" to question 1 or 2, do not waste time searching for a free download—it does not exist. Instead, purchase an original NCK Box from an authorized reseller. If you own the box, proceed with the official download to enjoy the powerful MTK 2.5.6.2 features. If you cannot afford or find an official
NCK uses kernel-level drivers (libusb, VCOM drivers) that antivirus programs flag as potential threats. Temporarily disable Windows Defender or any third-party AV. If you answered "No" to question 1 or
Do not download NCK software from third-party file hosting sites (e.g., Mediafire, Mega.nz, or random blogs). These files are frequently laced with trojans, keyloggers, or are designed to brick your NCK hardware box.
The "MTK 2.5.6.2" specifically refers to the designed to support MediaTek chipsets from the Android 4.4 to Android 7.0 era.
How to Install NCK Software and Update Smart Card on NCK Dongle