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.
- Can I get a notification if I receive call or text messages from blocked numbers?
- How can I remove a number from the blocked list in the call+SMS filter app?
- How do I take a screenshot of the current window on my Lumia phone?
- Can I block phone calls from private numbers using the call+SMS filter app?
- What is the call+SMS filter application on my Lumia device?