Not recommended. MediaTek has its own MTK USB Port drivers. Attempting to use SP drivers can cause conflicting COM port assignments.
A password-protected SP Driver V2.0 Install.rar from an unofficial source is suspicious. Common passwords seen in the wild include spflash, 12345, or spreadtrum2019. But it's safer to find an unlocked version from a trusted forum. SP Driver V2.0 Install.rar
Extracting SP Driver V2.0 Install.rar reveals the following typical structure: Not recommended
When prompted about driver signing, choose "Always trust software from Spreadtrum Communications". When prompted about driver signing, choose "Always trust
Wait for the progress bar to complete (usually 30–60 seconds).
Restart your PC even if not asked — this ensures driver services start correctly.