Note: the nano SIM card and micro SIM card are two different types of cards. Do not insert the nano SIM card supported by iPhone 5 into the micro SIM card slot of W2014. The problem is caused by humans, in accordance with the repair regulations, no repair is required. Do not insert the micro SD card into the micro SIM card slot. Otherwise, the memory card will be stuck in the SIM card slot. This is due to human reasons and will not be repaired in accordance with the repair regulations.
To install a carrier card, follow these steps:
1. Open the SIM card slot on the right of your phone.
2. Insert the golden contact of the micro SIM card into the SIM card slot, facing down the gap.
3. Enter the SIM card slot again.
To install a mobile or Unicom card, follow these steps:
1. Open the SIM card slot on the left side of your phone.
2. Insert the golden contact of the micro SIM card into the SIM card slot, facing down the gap.
3. Enter the SIM card slot again.