Airplane Mode will turn off the cellular connection as well as the Wi-Fi connection. ... Simply switching the phone into Airplane Mode when you're in such an area can conserve considerable battery power. Keep in mind that this will also switch off the Wi-Fi and Bluetooth.

Does turning airplane mode on save battery?

Both iOS and Android phones include an airplane mode that disables Wi-Fi, cellular, and Bluetooth, though not NFC. ... Though the mode was originally designed to prevent phones from (theoretically) interfering with airline communications, it also reduces battery usage—all that wireless circuitry requires power.

Does airplane mode drain battery faster?

In testing conducted by The Wirecutter, it was found that airplane mode caused battery levels to drop by just a few percent over the course of a four hour period. During that same time frame, a phone without airplane mode enabled saw its battery drain by 10 percent.