How to use 2 SIM cards on Oppo F1s
How to use two SIM cards on Oppo F1s? Having two SIM cards on your Oppo F1s can be very useful. We will see here how to insert the two cards into your Oppo F1s. Then we will see how to activate them, in particular for the use of data. Finally, we will see why having two SIM cards can be …