As 15min commented Tomas Grinevičius, Chief Network Architect at „Telia“, airplane mode is designed to turn off the phone’s mobile network module so that the device does not interfere with terrestrial networks during the flight, uses less battery, and does not pose a risk to sensitive electronic equipment.
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„In this mode, low-power connections such as Wi‑Fi and Bluetooth can usually operate. However, messages from the Population Warning and Information System (GPĮS) are broadcast via mobile 2G, 4G, and 5G networks. Therefore, even if calls, messages, or internet connection work over Wi‑Fi, GPĮS broadcasts will not be available in airplane mode.
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Therefore, if you turn on airplane mode at night or for other reasons, for safety reasons it is recommended to leave at least one phone connected to the mobile network so that you can receive important warning messages on time,“ he said.
