Back to Contents PageCommunication CardsDell™ Inspiron™ 1011 Service ManualSubscriber Identity ModuleWireless Mini-CardsSubscriber Identity ModuleSubscriber Identity Module (SIM) identifies users uniquely through an International Mobile Subscriber Identity card.Installing the SIM1. Follow the instructions in Before You Begin.2. Remove the battery (see Removing the Battery).3. In the battery bay, slide the SIM into the compartment.4. Replace the battery (see Replacing the Battery).Removing the SIM1. Remove the battery (see Removing the Battery).2. Press the SIM into the compartment to release it. When it is partially ejected, remove the SIM from the battery bay.3. Replace the battery (see Replacing the Battery).Wireless Mini-CardsIf you ordered a wireless Mini-Card with your computer, the card is already installed.Your computer supports two Mini-Card slots:l One full Mini-Card slot - for Mobile Broadband or Wireless Wide Area Network (WWAN)WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.1 battery bay 2 SIMWARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metalsurface.CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™is not covered by your warranty.CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside thecomputer.NOTE: Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell.