Sp9853i 1h10 Vmm New Guide

Verify the settings:

Prepare the device:

Connect the USB cable to the PC.

Watch the tool: The ResearchDownload tool should detect the device as SP9853i 1H10 and the progress bar will turn green.

Wait for the Flashing Complete dialog. This takes approximately 3-5 minutes.

Disconnect and power on. The first boot with the "new" VMM will take 5-8 minutes (ART optimization).

Cause: Driver mismatch or wrong USB port.
Fix: Use USB 2.0 port. Reinstall Unisoc drivers. Disable USB selective suspend.

After an unofficial repair, your tablet shows "Invalid IMEI" or "Baseband Unknown". The SP9853i 1H10 VMM New stock firmware contains the NVRAM and protect_f partitions that restore cellular functionality. sp9853i 1h10 vmm new