If nothing happens: You need to disconnect the battery. Because the C20 has a sealed battery, short the "Test Point" (TP) on the motherboard (only for technicians).
completely. Hold the button (this varies by tool) and connect it to your PC via USB cable. nokia c20 flash tool portable
The offers a convenient solution for technicians and DIY enthusiasts looking to revive a dead or buggy device without installing heavy software suites. By utilizing the Spreadtrum .pac files and ensuring the correct drivers are installed, you can breathe new life into your Nokia C20. However, proceed with caution: If nothing happens: You need to disconnect the battery
Below is a structured blog post to guide you through the process using portable tool options. nokia c20 flash tool portable