Sony Ericsson W810I Troubleshooting
How to properly clean parts of the phone You will want to remove the battery and clean any accumulated dust and dirt from the connectors, on both the battery and the phone. You can clean the connectors with a soft brush, cloth, or q-tip moistened with any type of unflavored, colorless alcohol. The connectors of the battery and the phone need to be completely dry before you put the battery back into the phone....