I observed that there's a lot of confusion over getting the ThinkPad WWAN to work. Many people assume that they can just simply slot their SIM card into the slot near the battery bay and instantly get Mobile Broadband. Then they realise that they need to get a missing WWAN module. When they do so and open up the ThinkPad to install it, then they get a bigger shock when they don't find the WWAN antenna installed!
In a nutshell, you need three things to enable Mobile broadband on your ThinkPad
- Integrated Mobile Broadband Upgradable ThinkPad - This will mean that your ThinkPad comes installed with the WWAN antenna. You will find that the antenna is positioned properly and taped together near the mini-pcie expansion slot (Near the Wifi module). How do you know if your ThinkPad has this? Check your invoice or box that came with your ThinkPad and look for this entry or similar - "SBB WWAN MP-WWAN READY". Or you can try to remove your palm rest + keyboard and check if the cables are there near the mini-pcie slot. If you don't have the antenna, then you will need to purchase a pair from Amazon or ebay. Installing the antenna is NOT easy as it requires you to dismantle the LCD panel. And to get to the LCD panel requires you to practically dismantle the entire ThinkPad. Check your manual for step by step instructions
- Compatible WWAN module - You will require an additional Ericsson F3507G 3G HSDPA 7.2 WWAN module (compatible with X200, X300, X301 T400, T400s, T500, W500, SL300, SL400 and SL500), Qualcomm Gobi (compatible with X200, X300, X301 T400, T400s, T500, W500), Qualcomm Gobi 2000 (compatible with T410, T510, W510, X100e and Edge) or Qualcomm Gobi 3000 for the latest range of ThinkPads (X220, X220t, T420, T420s, W520). Again, please check for compatibility with your user manuals or Thinkwiki
- Mobile broadband SIM card (M1, StarHub or Singtel SIM) - Subscribe to any one of the telcos mobile broadband plans and they will provide you with a USB dongle with a SIM card. Insert the SIM at the back of the ThinkPad after removing the battery.
Other than the three items mentioned above, you'll need to install the drivers for the WWAN module. Once installed, Access Connections will detect and display the option in the wireless settings (Fn +F5).