LTE stands for Long Term Evolution, and it is a high-speed wireless communication technology that allows users to access the internet at high speeds using their cellular data connection. On an iPhone, LTE is a cellular network that delivers fast data speeds and allows users to take a phone call at the same time, depending on the carrier.

To enable or disable LTE on an iPhone, users can go to Settings > Cellular > Cellular Data Options and tap Enable LTE or Settings > Mobile Data and tap Enable LTE. The LTE options available depend on the carrier and whether they support Voice over LTE (VoLTE). If the carrier supports VoLTE, users can choose from Off, Voice & Data, or Data Only. If the carrier doesnt support VoLTE, users will see options such as LTE or 4G, 3G, or 2G, depending on whether the carrier is a GSM or CDMA carrier.

Disabling LTE can be helpful in certain situations, such as when the LTE network drops or cycles quickly between 3G, LTE, or even 2G/EDGE, which can lead to quick battery loss or continuously dropped calls. However, for most users, keeping LTE on is recommended as it provides superior performance compared to other networks.

To customize LTE settings on an iPhone or iPad, users can go to Settings > Cellular > Cellular Data Options and tap Enable LTE. They can then choose from Off, Voice & Data, or Data Only, depending on the carrier and whether they support VoLTE.

In summary, LTE is a high-speed wireless communication technology that allows users to access the internet at high speeds using their cellular data connection. On an iPhone, users can enable or disable LTE and customize LTE settings depending on the carrier and whether they support VoLTE.