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Apple iPhone 15 / iPhone15 Plus - Manage Voice & Data Settings

2026-10-22 18:10:33.722

Apple iPhone 15 / iPhone15 Plus - Manage Voice & Data Settings

Here's how to manage voice and data settings to help with battery optimization for your iPhone 15 / iPhone 15 Plus.
  1. From a Home screen, navigate:
    Settings Settings icon
    Cellular
  2. Tap the
    Cellular Data switch
     to turn on Switch on.
    If using an eSIM, Cellular Data is enabled by default on the preferred line (e.g., Primary Secondary, etc.).
  3. Tap
    Cellular Data Options
    .
    If using Dual SIM, from the 'SIMs' section, select the default eSIM line then tap
    Voice & Data
    .
  4. Tap
    Voice & Data
     then select from the following options:
    5G data connections are now supported in Dual SIM Dual Standby (DSDS) mode with iOS 14.5 or later.
    When the device is locked or in an idle state then is unlocked, LTE may briefly display.
    Selected when a checkmark appears.
    • 5G On
      : Uses 5G whenever it's available, even when it may reduce battery life.
    • 5G Auto
      : Enables Smart Data mode. When 5G speeds don't provide a noticeably better experience, your iPhone automatically switches to LTE, saving battery life.
    • LTE
      : Uses only the LTE network, even when 5G is available.
    • 5G Standalone
      : Uses 5G for all cellular activity, including cellular network connections.
      iOS 17 has a new feature that includes a 5G Standalone toggle which Verizon doesn’t currently support. Toggling on will not impact device performance until Verizon 5G Standalone is launched, that's coming soon!