If a firmware update causes instability, a factory reset can sometimes clear configuration conflicts. Use a SIM eject tool to hold the RESET button for about 10 seconds until the lights cycle.
: A firmware-level feature that allows the device to independently select the best internal or external antenna signals based on its own environmental analysis. zte mc801a firmware
Carriers like Three Ireland or Vodafone often lock certain settings to ensure network stability. If a firmware update causes instability, a factory