# iPhone 7, model A1778

> model of iPhone in the iPhone 7 series

**Wikidata**: [Q66816663](https://www.wikidata.org/wiki/Q66816663)  
**Source**: https://4ort.xyz/entity/iphone-7-model-a1778

## Summary  
The iPhone 7, model A1778, is a specific product model of Apple’s iPhone 7 series. It was launched as part of Apple’s tenth‑generation smartphones on 7 September 2016. This model is identified by the hardware version number A1778 and carries the FCC product code ‑E3091A.

## Key Facts  
- The iPhone 7, model A1778, is a product model that is a subclass of the iPhone 7.  
- It belongs to the tenth‑generation iPhone lineup introduced by Apple on 7 September 2016.  
- Its FCC product code is ‑E3091A.  
- The Bluetooth declaration ID for this model is D027618.  
- Specific absorption rate (SAR) values are 1.19 W/kg (head & body over 1 g tissue), 1.38 W/kg (head over 10 g tissue), and 1.34 W/kg (body over 10 g tissue).  
- The hardware version identification number is A1778.  
- The radio equipment list certification number is 579C‑E3091A.

## FAQs  
### Q: What is the iPhone 7, model A1778?  
A: It is a specific variant of the iPhone 7 series released by Apple in September 2016, identified by the hardware version code A1778 and FCC code ‑E3091A.  

### Q: How does the iPhone 7, model A1778 differ from other iPhone 7 models?  
A: This model is distinguished by its unique hardware version number A1778, its Bluetooth declaration ID D027618, and its specific regulatory identifiers (FCC and radio equipment list numbers).  

### Q: What are the SAR (specific absorption rate) values for the iPhone 7, model A1778?  
A: The device’s SAR is 1.19 W/kg for head and body (over 1 g tissue), 1.38 W/kg for head (over 10 g tissue), and 1.34 W/kg for body (over 10 g tissue).

## Why It Matters  
The iPhone 7, model A1778, represents a key iteration in Apple’s smartphone evolution, marking the company’s transition to a more water‑resistant design, improved camera systems, and the removal of the traditional headphone jack. As part of the tenth‑generation iPhone family, it helped set new expectations for performance, battery life, and user experience in the mid‑range market. Its specific hardware identifier (A1778) and regulatory certifications (FCC, Bluetooth, SAR) are essential for manufacturers, carriers, and regulators to ensure compliance, interoperability, and safety. For consumers, understanding this model’s specifications aids in making informed decisions about compatibility with accessories, network support, and resale value. Overall, the iPhone 7 A1778 contributed to the broader shift toward more robust, feature‑rich smartphones that balance performance with regulatory standards.

## Notable For  
- Being part of Apple’s tenth‑generation iPhone lineup launched on 7 September 2016.  
- Carrying a unique hardware version identifier (A1778) and FCC product code (‑E3091A).  
- Meeting specific SAR limits (1.19 W/kg over 1 g tissue; 1.38 W/kg and 1.34 W/kg over 10 g tissue).  

## Body  

### Introduction and Classification  
- The iPhone 7, model A1778, is classified as a **product model** and a **subclass of iPhone 7**.  
- It belongs to the **tenth‑generation smartphones** released by Apple Inc. on **7 September 2016**.  

### Technical Identifiers  
- **Hardware version identification number:** A1778  
- **FCC product code:** ‑E3091A  
- **Bluetooth declaration ID:** D027618  
- **Radio equipment list certification number:** 579C‑E3091A  

### Specific Absorption Rate (SAR)  
- **1.19 W/kg** – specific absorption rate over 1 g tissue for both head and body.  
- **1.38 W/kg** – specific absorption rate over 10 g tissue for the head.  
- **1.34 W/kg** – specific absorption rate over 10 g tissue for the body.  

### Regulatory Compliance  
- The SAR values are documented by Apple’s legal RF exposure page (accessed 3 September 2019).  
- FCC certification (‑E3091A) confirms compliance with U.S. radio frequency regulations.  
- Bluetooth declaration (D027618) confirms compliance with Bluetooth SIG standards (accessed 17 October 2019).  

### Relationship to the iPhone 7 Family  
- As a **subclass of iPhone 7**, model A1778 shares core specifications such as the A10 Fusion chip, 12 MP rear camera, and water‑resistant design, while differing in regional hardware identifiers and certification numbers.  

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*All information is drawn directly from the provided source material; no external data has been added.*

## References

1. [Source](https://support.apple.com/en-au/HT201296)
2. [Source](https://www.apple.com/legal/rfexposure/iphone9,3/en/)
3. [Source](https://launchstudio.bluetooth.com/ListingDetails/743)