Ensure the phone is powered completely off. Keep the battery inserted inside the device.
Open your preferred flashing tool (such as , JAF , or Phoenix Service Tool ).
Reinstall the Nokia USB drivers. Try a different USB port, preferably on the back of the PC motherboard. Nokia C1-01 Flash File Without Password
5.5. Brute-force / Password Recovery (Not Recommended)
The exact or symptom your phone is currently showing Ensure the phone is powered completely off
References
Flashing completely formats the internal storage. Back up contacts and messages if your phone is accessible. Nokia C1-01 Flash File Without Password
Turn your Nokia C1-01 and remove the battery for 5 seconds, then put it back in (do not turn it on).