Because feature phones don't have "Volume" buttons like Androids, they use a specific "Boot Key" to connect to the PC.
For a visual walkthrough on how to use these tools to reset a lock: SPD SC6531E/A PASSWORD RESET TOOL Tephas Mobile Tips YouTube• 15 May 2019 How can I help you further— Spd 6531e Format Tool
While holding the , connect the phone to the PC via USB cable. 5. Monitor the Progress Because feature phones don't have "Volume" buttons like
Formatting will erase all user data, including contacts and messages. Always ensure you have the correct drivers to avoid "USB Device Not Recognized" errors. Monitor the Progress Formatting will erase all user
Using formatting tools can on the device. It is highly recommended to perform a read-back/backup of existing firmware before attempting a format or flash to avoid hard-bricking the device. If you'd like to move forward, let me know: What specific phone model are you trying to fix?