* Activate 4G at any time on your Acer Liquid Zest 4G Plus and benefit of the 4G network of BASE.
* Go to the Start screen.
* Choose the menu symbol.
* Scroll down.
* Choose *Settings*.
* Choose *Mobile networks*.
* Choose a SIM card, in this case *Network 1*.
* Choose *Preferred network type*.
* The Acer Liquid Zest 4G Plus has now been configured for use of 4G networks.
* Return to the Start screen.