Custom iPhone 13 Pro Max has USB-C, doubles the battery and a fan

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The smaller a computer becomes, the more sophisticated it becomes. Smartphones like the iPhone happen to be the smallest computers available today, and you can’t easily upgrade one on your own. But it’s not impossible to turn a standard iPhone 13 Pro Max into a device with USB-C connectivity, a 3.5mm headphone jack, doubled battery life and an internal fan to improve the recooling. But it won’t be pretty.

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Does the iPhone 13 have USB-C?

For years we wondered if Apple would switch from Lightning to USB-C on iPhone. But that hasn’t happened yet, even though Apple has upgraded nearly every iPad in its lineup to USB-C. Rumors of the iPhone 13 USB-C came like clockwork, but Apple never went that route.

Naturally, there were rumors then that the iPhone 14 models could be the first to feature USB-C, especially given the push from the EU for all vendors to adopt the same charging port. But it seems more likely that Apple will switch to a wireless-charging-only iPhone rather than adopt USB-C.

That said, engineers who aren’t afraid to mess with the internals of the iPhone themselves have added USB-C connectivity to the iPhone. We saw an iPhone X with USB-C connectivity selling for thousands of dollars online a few months ago.

iPhone 13 Pro Max

USB-C “Ultra” port iPhone 13 Pro Max

It wasn’t even the first crazy iPhone hardware hack. Another engineer added a headphone jack to the iPhone 7 a few years ago. It did this without changing the overall design of the phone except for the 3.5mm port which had to be added to the chassis.

If you’ve witnessed these custom iPhones, you won’t be surprised to see what’s possible with the iPhone 13 Pro Max. A Chinese engineer has given the handset a massive makeover that includes USB-C connectivity and a 3.5mm headphone jack.

The personalized iPhone 13 Pro Max “Ultra”

TikTok user Douyin decided to go for a massive upgrade on the iPhone 13 Pro Max, turning into an “Ultra” device unlike anything on the market. Before we dive into the new features, we’ll also need to state the obvious. The iPhone 13 Pro Max Ultra isn’t pretty at all. It’s about twice the width, because the modder glued another case to the existing metal frame.

This is what allowed him to add additional components to the phone. The USB-C and 3.5mm jack sits at the bottom, flanking the Lightning port. The modder also modified the top speaker to make it louder.

Inside the iPhone 13 Pro Max Ultra, another battery effectively doubles the life of the handset. The iPhone 13 Pro Max can last two days on a charge, and it currently offers the best smartphone battery life.

iPhone 13 Pro Max

USB-C “Ultra” port iPhone 13 Pro Max

The extra space allowed Douyin to place two small fans inside the iPhone 13 Pro Max Ultra contraption for even better cooling.

The end result is an iPhone 13 version with USB-C connectivity that offers better battery life. Moreover, the phone performs better in some benchmarks, which implies that the extra cooling helps the handset perform at peak performance for an extended period of time.

However, the air circulating inside the phone also exposes the components to dust particles. And this personalized iPhone 13 Pro Max is no longer waterproof.

You can watch the videos documenting the transformation of the iPhone 13 Pro Max at this link.

More iPhone coverage: For more iPhone news, visit our iPhone 14 guide.

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