* Activate 4G at any time on your OnePlus 3 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 *SIM 1*.
* Choose *Preferred network type*.
* Tick *LTE (recommended)*.
* The OnePlus 3 has now been configured for use of 4G networks.
* Return to the Start screen.