The Dell Service Tag is a seven character alpha-numeric identifier that is unique to your product. In addition to the service tag, there is an Express Service Code which is an all numeric version of the service tag. This code can be typed into a telephone for call routing.
3rd party USB cords and A/C adapters may not provide the needed amount of electricity to charge or run the tablet, it has been reported that the battery level may actually go down while using the tablet.
^DELL PREFERRED ACCOUNT (DPA): Offered to U.S. residents by WebBank, who determines qualifications for and terms of credit. Promotion eligibility varies and is determined by WebBank. Taxes, shipping, and other charges are extra and vary.