How to assign a preferred SIM card for data service network?

* This knowledge only applies to models of dual sim card (excluding ZE550ML & ZE551ML).


Assign a SIM card for data service network
Please select your preferred SIM card in "Settings" -> "Dual SIM card settings" -> "Data service network".



Enable cellular data
If you would like to use the cellular data of SIM card, please be sure to allow data usage in "Settings" -> "More" -> "Cellular networks".