iPhone vs Samsung: USB-C Connection Test

Technology Gadgets Smartphones

Aug 19, 2026 · 4 min read

iPhone vs Samsung: USB-C Connection Test

Direct USB-C connections between an iPhone and a Samsung smartphone enable unique interactions, such as charging and data transfer. With the advent of USB-C ports on both brands, users can now explore direct device connectivity for seamless power sharing and data exchange.

Source

Watch the Reel

What Happens When You Plug an iPhone Into a Samsung Phone?

The advent of USB-C ports on both iPhones and Samsung smartphones has opened up new possibilities for connectivity. One intriguing question that arises is: what happens when you plug an iPhone directly into a Samsung phone using a USB-C cable? This experiment explores the outcomes and reveals some surprising findings.

Context / Why this matters

The ability to connect devices directly via USB-C opens up a range of possibilities for power sharing, data transfer, and even charging. Understanding how different brands interact in such scenarios can be beneficial for users who own multiple devices from different manufacturers.

Main discussion

The Experiment

To address the curiosity, an experiment was conducted where an iPhone was connected to a Samsung Galaxy S25 Ultra using a double-sided USB-C cable. The goal was to see if the Samsung phone could charge the iPhone or if any other interesting interactions would occur.

Reverse Wireless Power Sharing

One of the key features discussed is Samsung's reverse wireless power sharing. This feature allows Samsung devices to wirelessly charge other devices, such as another phone or even wireless earbuds, by placing them on the back of the phone. This capability was demonstrated by placing a Samsung phone on a wireless charger, which successfully charged another device.

Direct Connection via USB-C

Given that both the iPhone and Samsung Galaxy S25 Ultra have USB-C ports, it was intriguing to see if a direct connection via a USB-C cable would yield similar results. The first attempt involved plugging the Samsung phone into the USB-C cable first, followed by the iPhone. Surprisingly, the Samsung phone initiated a charging session, indicating that it was attempting to charge the iPhone.

Testing Different Scenarios

To further explore the capabilities, the experiment was repeated with different sequences. The iPhone was plugged into the USB-C cable first, and then the Samsung phone was connected. Despite the Samsung phone having a lower battery percentage (around 73%), it still managed to charge the iPhone. This behavior was consistent, suggesting that the Samsung phone has a more robust power-sharing feature compared to the iPhone.

Power Dynamics

One of the interesting observations was the power dynamics between the two devices. Even when the Samsung phone had a lower battery percentage, it was still able to charge the iPhone. This raised a question about whether Samsung's power-sharing capabilities are inherently more dominant or if there are specific protocols in place that prioritize power sharing from the Samsung device.

Practical tips

Using USB-C Cables for Connectivity

The experiment highlights the versatility of USB-C cables. Beyond just charging, these cables can facilitate a range of connections, including data transfer and power sharing. Investing in high-quality, double-sided USB-C cables can enhance the compatibility and functionality of your devices.

Exploring Wireless Charging

Wireless charging is another useful feature, especially for users who own multiple devices. Samsung's reverse wireless power sharing allows you to charge other devices wirelessly, which can be a convenient solution for those who need to charge multiple gadgets on the go.

Understanding Power Sharing Capabilities

Knowing the power-sharing capabilities of your devices can help you manage your battery life more effectively. For instance, if you own a Samsung device and an iPhone, understanding that the Samsung device can charge the iPhone even when it has a lower battery percentage can be beneficial in emergencies.

Important takeaways

  1. USB-C Connectivity: Modern smartphones with USB-C ports can be connected directly to each other, facilitating power sharing and data transfer.
  2. Power Sharing: Samsung devices, particularly the Galaxy S25 Ultra, have robust power-sharing features that allow them to charge other devices, including iPhones, even when their own battery levels are lower.
  3. Wireless Charging: Samsung's reverse wireless power sharing is a convenient feature that can wirelessly charge other devices, providing flexibility in charging solutions.

Conclusion

The experiment of plugging an iPhone into a Samsung phone using a USB-C cable revealed some fascinating insights into the power-sharing capabilities of modern smartphones. While Samsung devices appear to have a more dominant power-sharing feature, the ability to connect and charge different devices directly can be a game-changer for users who own multiple gadgets. Understanding these capabilities can help users optimize their charging solutions and make the most of their devices.

Summary

Key points

  • Samsung phones can charge iPhones directly when connected via a USB-C cable.
  • The Samsung phone initiated a charging session for the iPhone even with a lower battery percentage, indicating robust power-sharing features.
  • USB-C cables can facilitate data transfer, power sharing, and other connections between devices.
  • Samsung devices have a more dominant power-sharing feature compared to iPhones.
  • Samsung's reverse wireless power sharing can charge other devices, such as another phone or wireless earbuds, by placing them on the back of the phone.
Answers

FAQ

Yes, you can charge your iPhone using a Samsung phone with a USB-C port. By connecting the iPhone to the Samsung device via a USB-C to USB-C cable, the Samsung phone can act as a power bank, sharing its battery charge with the iPhone. The charging speed may vary depending on the Samsung model and its battery capacity.

Mentioned

Products

smartphone
Discussion

Comments

Be the first to comment.

Similar reads based on topic and creator.

Recent articles

Fresh deep dives from the latest Reels we unpacked.

View all