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iPhone Duo teardowns show 4,883mAh dual batteries and eSIM-only design

Two channels’ teardowns of Apple’s iPhone Duo show two battery cells totaling 4,883mAh, both using electrically releasable adhesive. The USB-C port is independently replaceable, while the Touch ID button is difficult to remove despite being separately repairable in theory. All global versions support only eSIM and lack a physical SIM slot. Apple has also published an official repair manual.

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iPhone Duo teardowns show 4,883mAh dual batteries and eSIM-only design
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What to know

  • 01

    The two batteries have capacities of 2,962mAh (11.56Wh) and 1,921mAh (7.5Wh).

  • 02

    REWA Technology’s motherboard annotations identify an A20 Pro chip and a C2 cellular modem.

Why it matters

These teardown findings provide a reference for understanding the iPhone Duo’s battery layout and how easily different components can be serviced.

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