, follow these instructions as detailed in the Nokia Asha 311 User Guide : : Completely turn off the phone before proceeding.
: Lower the metal holder and slide it back to the right to lock the card in place. Nokia Asha 311 Insert Sim
: Place the Mini-SIM card into the slot with the gold contact area facing down . Ensure the cut corner of the SIM matches the orientation shown in the slot's diagram. , follow these instructions as detailed in the
, released in 2012, is a 3G feature phone that uses a (standard size) card. Inserting the SIM card requires physical access to the interior of the device, as the slot is located beneath the battery. Step-by-Step Installation Guide To insert a SIM card into your Nokia Asha 311 Ensure the cut corner of the SIM matches
Insert the SIM card and battery - Nokia Asha 311 - helpdoc.net
the metal holder to the left (or as indicated by the "open" arrow) and lift it up.