Recent updates in early 2026 have introduced "Free Lifetime Activation" methods, allowing users with old dongles to continue using the software without yearly fees.
While the original MRT Team faced a period of silence, the tool has seen a significant resurgence in 2025 and 2026, with newer versions and cross-compatibility with tools like keeping the legacy hardware alive. Key Features of MRT Key Ver 3.77 mrt key ver 377 verified
Connect your MRT Dongle to the PC and run the MRT.exe as administrator. Recent updates in early 2026 have introduced "Free
It added stable support for removing Mi Accounts on devices like the Redmi 6, 6A, Note 8 Pro , and Xiaomi Play . It added stable support for removing Mi Accounts
The remains a staple in the toolkit of mobile technicians. Specifically, the search for " mrt key ver 377 verified " refers to a pivotal update in the software's history that introduced critical automation for MediaTek (MTK) devices and expanded support for popular Xiaomi and Redmi models.
Technicians no longer needed separate bypass scripts or complex auth files for many supported models; the dongle handled the handshake directly. How to Use MRT Key (Basic Workflow)