Many Android devices exhibit a preference for the 5 GHz Wi-Fi band over the 2.4 GHz band when both are available on a wireless network. This automatic selection can present challenges, as the 2.4 GHz frequency often provides superior range and penetration through walls compared to 5 GHz. Users may therefore desire a method to prioritize or exclusively utilize the 2.4 GHz band on their Android device. This can be achieved through various software configurations or, in some cases, modifications to the device’s system settings.
The impetus for preferring the 2.4 GHz band stems from its inherent propagation characteristics. While 5 GHz offers faster data transfer rates in close proximity to the access point, the shorter wavelength is more susceptible to attenuation and signal degradation over distance or through obstructions. In environments where a strong, stable connection is paramount, even at the expense of maximum speed, the 2.4 GHz band represents a more reliable choice. Historically, this was less of an issue as fewer devices supported 5 GHz, but the increasing prevalence of dual-band routers and 5 GHz-capable devices has made this a more common user concern.