Fixed "Enable Diag" without root for newer models like the Y2/S2.
This tool consolidates several utilities into a single interface for specialized hardware repair:
ultimate multi tool v5.5.1 – Stability and performance release. Recommended update for all users working with large media batches. ultimate multi tool v5.5.1
Are you currently using the or MTK module more frequently in your daily repairs?
Setting up the v5.5.1 application requires proper driver alignment to avoid common connection errors like "Device Not Found." 1. Prepare Your System Environment Fixed "Enable Diag" without root for newer models
Attention mobile technicians and repair pros! The latest update for the Ultimate Multi Tool (UMT)
UMT v5.5.1 provides hardware compatibility for leading silicon designs: Chipset Family Key Supported Modes Primary Operations Emergency Download Mode (EDL 9008), Fastboot XML Flashing, Firehose loading, FRP bypass MediaTek (MTK) Preloader Mode, BROM (Boot ROM) Scatter flashing, Bootloader bypass, RPMB read Spreadtrum / Unisoc DIAG Mode, Boot Mode PAC flashing, IMEI repair (where legally permitted) Brand Compatibility Overview Are you currently using the or MTK module
Navigate directly to the or Service tab interface.