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What is Airplane Mode? How It Works with Wi-Fi & eSIMs | Jett-On

What is Airplane Mode? Everything You Need to Know 

In today’s hyper-connected world, our phones are constantly sending and receiving signals—whether it’s through Wi-Fi, mobile data, or Bluetooth. But what happens when you need to temporarily shut down all wireless communication on your device? That’s where Airplane Mode comes in.

What is Airplane Mode?

Airplane Mode is a setting on smartphones, tablets, and other wireless devices that disables all radio-frequency (RF) signal transmissions. When you activate Airplane Mode, your device disconnects from:

  • Cellular networks

  • Wi-Fi connections

  • Bluetooth

  • GPS (on some devices)

The primary reason for this feature is aviation safety. Airlines require passengers to enable Airplane Mode during flights to prevent any potential interference with aircraft communication and navigation systems.

Why is it Called “Airplane Mode”?

The name comes from its original purpose—complying with aviation regulations. While modern aircraft are much more tolerant of wireless signals than they used to be, Airplane Mode remains a requirement during certain parts of a flight, especially takeoff and landing.

What Can You Do in Airplane Mode?

While it may seem like Airplane Mode turns your phone into a brick, that’s not the case. You can still:

  • Use your phone’s camera

  • Access downloaded content (e.g. music, videos, eBooks)

  • Play offline games

  • Use apps that don’t require internet access

  • Enable Wi-Fi or Bluetooth manually (in many modern devices)

Does Wi-Fi Work in Airplane Mode?

Yes, Wi-Fi can work while your device is in Airplane Mode. Most smartphones and tablets allow you to manually re-enable Wi-Fi even after turning on Airplane Mode. This is particularly useful during flights where in-flight Wi-Fi is available.

Here’s how it works:

  1. Turn on Airplane Mode (this disables all wireless signals).

  2. Then manually switch on Wi-Fi.

  3. Connect to the airline’s in-flight Wi-Fi network (if available).

You’ll stay disconnected from cellular networks, but you’ll be able to browse the internet, send messages through Wi-Fi-based apps like WhatsApp or iMessage, and even stream content if the service allows it.

Airplane Mode and Battery Life

One of the underrated benefits of Airplane Mode is battery savings. Since your device isn’t constantly searching for a signal, it uses significantly less power. This makes it a great option when you’re running low on battery and don’t need to be connected.

Airplane Mode and eSIM

If you’re using an eSIM for mobile connectivity, Airplane Mode will still disable all cellular activity, just like with a physical SIM. However, once you land and turn Airplane Mode off, your eSIM will reconnect to your carrier’s network just as easily—no need to swap SIM cards or restart your device.

This is especially convenient for international travelers using eSIMs to stay connected across borders.

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