The **A1663** is the model number identifying the **iPhone 7 Plus** (Global/CDMA/Verizon/Sprint version). Below is a breakdown of its primary electronic components, including its system-on-chip, display technology, and internal hardware architecture. --- ### 1. Core Processing & Memory The heart of the A1663 is the A10 Fusion chip, which introduced a "Big-Little" architecture to the iPhone line for the first time. | Component | Specification | | :--- | :--- | | **SoC (System on Chip)** | Apple A10 Fusion (16nm FinFET process) | | **CPU Architecture** | 4-core (2 high-performance cores + 2 high-efficiency cores) | | **GPU** | PowerVR Series7XT Plus (6-core) | | **RAM** | 3GB LPDDR4 (necessary for portrait mode processing) | | **Storage** | 32GB, 128GB, or 256GB NVMe NAND Flash | --- ### 2. Connectivity & Network Modules The A1663 is unique because it features a **Qualcomm MDM9645 (Snapdragon X12)** modem. This allows the device to support both CDMA and GSM networks, unlike the A1784 model which uses an Intel modem and lacks CDMA support. * **Cellular:** Support for Verizon, Sprint, and international CDMA/LTE bands. * **Wi-Fi:** 802.11a/b/g/n/ac with MIMO technology. * **NFC:** NXP 67V04 controller (used primarily for Apple Pay). * **Bluetooth:** Version 4.2. --- ### 3. Display & Audio Hardware The A1663 utilizes a specialized 3D Touch-enabled display assembly. * **Display Panel:** 5.5-inch Retina HD (LCD IPS) with 1920x1080 resolution. * **Taptic Engine:** A large linear actuator located at the bottom of the device that simulates "clicks" for the solid-state Home Button. * **Audio IC:** Cirrus Logic 338S00105 (Codecs) and 338S00220 (Amplifiers). * **Lightning Connector:** This model lacks a 3.5mm jack; audio is routed via the Lightning port using digital-to-analog conversion logic in the adapter or headphones. --- ### 4. Camera System Electronics The A1663 was the first iPhone to feature a dual-lens system on the rear. 1. **Wide-Angle Lens:** 12MP, f/1.8 aperture, Optical Image Stabilization (OIS). 2. **Telephoto Lens:** 12MP, f/2.8 aperture (Used for 2x Optical Zoom). 3. **Image Signal Processor (ISP):** Integrated into the A10 chip, capable of 100 billion operations per photo for depth mapping. --- ### 5. Power Management | Feature | Details | | :--- | :--- | | **Battery Capacity** | 2900 mAh (3.82V Lithium-ion) | | **PMIC** | Dialog 338S00225 Power Management IC | | **Charging IC** | NXP 1610A3 "Tristar" IC (controls USB charging logic) | ---