Lenovo A5000 Guide De Démarrage Rapide page 5

Preparing your smartphone
You must insert the SIM card provided by your carrier to use cellular
services. Set up your smartphone as shown.
Always turn off your smartphone first before you insert or remove a
SIM card. Insert or remove a SIM card with your smartphone on may
damage your SIM card or smartphone permanently.
Step 1. Open the back cover.
Tip: The battery is
unremovable, and is fixed
to the phone. Please do
not pull the battery,
otherwise it will damage
the phone.
Step 2. Insert the (U)SIM cards.
Tip: Insert the (U)SIM card into
SIM1 slot and SIM card
into SIM2 slot.
Step 3. Insert the memory card.
Step 4. Install the back cover.