Professional service tools such as UnlockTool and Cheetah Tool Pro are frequently used for flashing Unisoc chipsets and bypassing FRP (Factory Reset Protection). Flashing Steps Overview

. Because it is a Unisoc-based device, the stock firmware is typically provided in a Nokia TA-1352 PAC File Resources

uses .pac firmware files because it is powered by a chipset. These files are used to fix issues like being stuck on the logo ("hang on logo") or to restore the device after a failed update. Firmware and Flashing Resources

Hold (or sometimes Volume Up + Down) and connect the USB cable to the PC.

The Nokia TA-1352 (Nokia C20) uses a Unisoc (Spreadtrum) SC9863A chipset