The reason that the 5GHz WiFi band is disabled during flight (airplane) mode is comply with local regulations. There are regions in the world where the usage of the 5GHz band is not allowed to be used for WiFi transmissions. As the Lumia WP8 phones are unable to determine the location whilst in flight mode, the phones disable the usage of the 5GHz WiFi band in order to comply with regulations.
- I cannot send or receive text messages on my Lumia phone
- I cannot download or get application updates when first starting the Store app on my Lumia. How can I resolve this issue?
- How can I reduce a data usage on my Lumia phone?
- I cannot get a mobile network signal on my Lumia phone
- My phone does not charge