Apparatus and methods are described for highly attenuating vibrations of a drillstring assembly while drilling. The apparatus and method include the use of a penetrating individual independent lead finger clamp during the wire bonding process to provide increased stability of the individual lead finger for improved bonding by the clamp penetrating a portion of the lead finger being bonded. The use of a barrier material within the underlayer prevents the electromigration of the interconnect conductive material and the use of noble material within the underlayer allows for the direct plating of the interconnect conductive material. A supplemental data file is stored in storage that is local to or remote from the mobile device. These formations, thus, reduce the amount of metal used while maintaining quality and yielding the desired performance. An incoming call matching one of the stored phone numbers causes the distinctive alerting sound to be sounded unless the phone number matches a number prestored by the user and associated with an individual or organization known to the user.