Lenovo TAB4 8 Guide De Démarrage Rapide page 5

Preparing your device
Use a microSD card (sold separately) for extra storage.
*To access cellular networks with your device (WLAN + LTE version only - model number
Lenovo TB-8504X), insert a Nano-SIM card provided by your carrier into the slot as
shown below.
Step 1. Open the card slot cover.
Step 2. Insert the *Nano-SIM and microSD cards as shown.
Step 3. Replace the card slot cover.
Only Nano-SIM cards work with your device.
Do not insert or remove the Nano-SIM card while your device is powered on. Doing so
may cause permanent damage to your Nano-SIM card or device.
Figure 1: WLAN
Figure 2: WLAN + LTE
3