Nokia — C20 Flash Tool Portable ((link))

The is powered by the Unisoc SC9863A chipset . Because it uses a Unisoc (Spreadtrum) processor, the standard flashing utility is the SPD Flash Tool (also known as the SPD Upgrade Tool ), rather than the SP Flash Tool used for MediaTek devices. Portable Flash Tool for Nokia C20

Ensure the Nokia C20 has at least 60% battery. If dead-bricked, leave it charging for 1 hour before flashing. nokia c20 flash tool portable

A: Flash tools modify low-level USB communications, which heuristic AVs flag as "hacktool." Exclude the folder after verifying the hash. The is powered by the Unisoc SC9863A chipset