S8/S8+: How to insert SIM card on Dual SiM device?
Step 1. Take out the SIM tray
Insert the ejection pin into the hole on the tray to loosen the tray.
Ensure that the ejection pin is perpendicular to the hole. Otherwise, the device may be damaged.
Step 2. Pull out the tray gently from the tray slot.
Step 3. Place the SIM or USIM card on the tray with the gold-colored contacts facing downwards.
Place the primary SIM or USIM card on the SIM card tray 1 ( 1 )
and the secondary SIM or USIM card on the SIM card tray 2 ( 2 ).
NOTE: Use caution not to insert the SIM card on position for memory card.
Doing so can cause damage to the SIM card or device
Step 4. Gently press the SIM or USIM card into the tray to secure it.
If the card is not fixed firmly into the tray, the SIM card may leave or fall out of the tray.
Step 5. Insert the tray back into the tray slot.
• If you insert the tray into your device while the tray is wet, your device may be damaged.
Always make sure the tray is dry.
• Fully insert the tray into the tray slot to prevent liquid from entering your device.