Pro-Tip: How to make your iPhone ignore crappy Wi-Fi

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Wi-Fi Assist
Without Wi-Fi assist, your iPhone might end up as useless as this piece of junk.
Photo: Charlie Sorrel/Cult of Mac

Pro Tip Cult of Mac bugUsing your iPhone on a poor, weak, or spotty Wi-Fi is not only frustrating. It could also have a detrimental effect on battery life. But there’s a fix, for flaky Wi-Fi at least. You can tell your iPhone to use cellular data to make up the shortfall, giving you smooth internet access, at the expense of some cellular data use. It’s called Wi-Fi Assist, and it could be the answer to all of life’s problems.

MyLiFi lamp brings you internet through LED light

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MyLiFi lamp
Leave Wi-Fi in the past.
Photo: OLEDCOMM

Forget spotty Wi-Fi connections that drop out when you need them most. MyLiFi is a table lamp that delivers fast and secure internet directly to your laptop through LED light.

Made out of high-quality aluminum, MyLiFi uses “light fidelity” technology that transmits data at up to 23 megabits per second without using radio waves.

watchOS 4.1 arrives with LTE Apple Music streaming

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Apple Watch Music
Grab the new watchOS update while it's hot.
Photo: Ste Smith/Cult of Mac

Apple Watch Series 3 owners can now get all the features they were promised from Apple’s new wearable at launch, thanks to a new watchOS update that brings some big new additions.

After months of testing, watchOS 4.1 was released to the public this morning. The update adds a number of performance improvements and changes, including LTE streaming for Apple Music.

There’s a serious security flaw in Wi-Fi and we’re all at risk

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KRACK Wi-Fi attack
Beware the KRACK attack.
Photo: Mathy Vanhoef

A major security flaw has been discovered in Wi-Fi and we’re all at risk.

Researchers discovered the weakness in WPA2, the protocol that secures all modern Wi-Fi networks. Any modern device with a wireless connection could be open to a KRACK attack that would expose information like credit card numbers, passwords, messages and more.

How to share your home Wi-Fi without a password in iOS 11

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home Wi-Fi
you no longer need a password to share your Wi-Fi in iOS 11
Photo: Alan Levine/Flickr

iOS 11 brings yet another convenient feature — password-free Wi-Fi sharing. It works like this: If a friend or other visitor needs to use your Wi-Fi, then instead of digging in the dust and yanking on the already-taut cables of your router to read the password label on the back, you can just hold your iPhones close to each other, and grant the guest access to your network. It’s super easy, and requires nothing more than that you both be running iOS 11, and have Bluetooth switched on.

Why Control Center no longer turns off Wi-Fi and Bluetooth in iOS 11

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Bluetooth in iOS 11
In iOS 11, AirPods (and other Apple accessories) remain connected, even when you hit the Bluetooth "off" switch.
Photo: Cult of Mac

It used to be so simple: If you swiped open the iOS Control Center and tapped the Bluetooth icon, then Bluetooth would be toggled on or off. That was it, and the same went for Wi-Fi.

In iOS 11, tapping the same Bluetooth button doesn’t do that. Instead, the Control Center Bluetooth button disconnects your iPhone or iPad from connected Bluetooth accessories, leaving the actual Bluetooth radio on. What’s more, not all accessories get disconnected. Just what in the blazes is going on here?

How to use AirDrop for instant file sharing

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Airdrop ios iPad iPhone
AirDrop works across the room to make sharing files between Apple devices easy as can be.
Photo: Charlie Sorrel/Cult of Mac

AirDrop, Apple’s built-in sharing feature, lets you beam pretty much anything between any Apple devices. You can use it to share photos, videos, URLS, documents, snippets of text — in short, anything that can be shared using the standard “sharing arrow” icon is fair game for AirDrop.

AirDrop really should be your first choice for sharing, because it doesn’t use the internet to send the files. It connects you and the recipient directly to each other using Wi-Fi, and makes the transfer that way. This makes AirDrop secure and lightning-fast. It also mean it works as well on the top of a mountain as it does in a busy office.

iOS 11 automatically ignores flaky Wi-Fi connections

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Flaky Wi-fi
You should already have this switched off.
Photo: Cult of Mac

With iOS 11, your iPhone gets smart enough to realize when a Wi-Fi connection is flaky, and gives up trying to join it. This might be most useful if you’re one of those people who keeps your Ask Join Networks setting activated, but it should help anyone who uses their iPhone in multiple places — i.e. everyone ever.