1. Download Sierra Wireless AirCard 875 Wireless Network Card firmware from the link provided above.
2. Insert the AirCard 875 Wireless Network Card and make sure Cingular Communication Manager is not running.
3. Run the tool (ACFW_H1_1_7_0bt_H1_1_8_3ap.exe) and follow the instructions.
4. Do NOT interrupt or eject the AirCard while the tool is running!
5. The upgrade will take about 2 minutes.
It is highly recommended to always use the most recent driver version available.
Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.
Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.
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