Lenovo S660 (English) Quick Start Guide - Lenovo S660 Smartphone - Page 4

Preparing your phone You need to insert the SIM card provided by your carrier to use cellular services. Install SIM2SIM1 your phone as shown. Step 1. Open the back cover. TIP 1: Use your finger or a plastic opening tool to pry the back cover. SIM2 SIM1 TIP 2: Do not apply force when opening the back cover to avoid breakage. TIP 3: Make sure to align the hooks with the designated holes on your phone. Be careful not to bend the hooks on the back cover. SIM1SIM2 SIM2SIM1 SIM1SIM2 SIM2SIM1 Step 2. Insert the SIM cards and the memory card. TIP: Insert the SIM1 (USIM) card into SIM1 slot and SIM2 card into SIM2 slot. SIM2 SIM1 a b SIM2 SIM1 Step 3. Install the battery. Align the battery connectors on the battery with the pins in the battery compartment. Then push the battery down into place. Step 4. Install the back cover. DO NOT insert or remove the SIM cards while your phone is turned on. Doing so may permanently damage your SIM cards or your phone.