Here is a comprehensive list of steps you can take to safely dispose of old electronic devices to protect your sensitive information:

1. Back up all the information from the device
2. Physically destroy external storage media components, such as solid-state drives and hard-disk drives
3. Overwrite all remaining data on the device
4. Delete all data completely from the device
5. Remove all batteries and external power sources
6. Disconnect and separate all components
7. Ensure all labels and serial numbers are removed or rendered illegible
8. Dispose of all components in accordance with acceptable recycling and disposal practices