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Do you already have the and MTK drivers installed?

Technical Report: Symphony Y1S Flash File (Firmware) Analysis & Installation Guide y1s flash file

Ensure you have the MediaTek (MTK) USB VCOM drivers installed so your PC recognizes the phone. Do you already have the and MTK drivers installed

To execute the flashing process, the following software environment must be prepared on a Windows PC (Windows 7/10/11): y1s flash file

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