Apple iPhone 4S Teardown

Phone Teardown

The iPhone 4S brings many new features with iOS 5, but how much did the hardware really change? The iconic phone is now available for Sprint, Verizon, and AT&T. The main chipset is a slight variant to the prior iPhone and the application processor comes from the last iPad (iPad 2). This report details the changes in the core chipset, the new RF front end, performance benchmarks for the application processor, and specifics about all of the other chips in the phone. The complete teardown includes high resolution photos of each of the chips, dismantling photos, unique board shots, performance measurements, a block diagram, cost information, and board area data.
  • Apple iPhone 4S Teardown
  • Specifications
  • Dismantle Photos
    • 8 High-Resolution Photos
  • Board Photos
    • 9 High-Resolution Photos
  • Power Measurements
  • Block Diagram
  • Parts List / EBOM
  • Application Processor
    • 1 teardown containing 6 High-Resolution Photos
  • Baseband
    • 1 teardown containing 9 High-Resolution Photos
  • Connectivity
    • 1 teardown containing 10 High-Resolution Photos
  • Memory
    • 3 teardowns containing 20 High-Resolution Photos
  • PM Discrete
    • 3 teardowns containing 18 High-Resolution Photos
  • Power Management
    • 2 teardowns containing 12 High-Resolution Photos
  • RF
    • 1 teardown containing 5 High-Resolution Photos
  • RF Front End
    • 9 teardowns containing 65 High-Resolution Photos
  • Sensor
    • 4 teardowns containing 26 High-Resolution Photos