: If your device has a MediaTek (MTK) processor, tools like MTKClient may allow you to bypass the official unlock tool and SIM requirement entirely.
Before attempting any SIM-less bootloader unlock, understand these risks: how to unlock bootloader without sim card
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Tools like (for MediaTek) or Qualcomm Tool can sometimes bypass SIM requirement by reading/writing to nvdata partition directly. : If your device has a MediaTek (MTK)