Modem User Manual

Overview 5
To insert the SIM card
1. Remove the bottom cover from the MD400.
2. Insert the SIM card into the MD400. Make sure the gold contacts on the SIM card are facing
towards the MD400 and the angled corner (A) of the SIM card is placed toward the MD400 as
shown.
3. Replace bottom cover.
To remove the SIM card
1. Remove the bottom cover from the MD400.
2. Remove the SIM from the MD400.