Well I like to travel and my work is related to that hence I require a cart that is able to support both AT&T and Vodafone. Recently I have changed the Ericsson F3507G with a Qualcomm Gobi2000 that I have bought from Lenovo. After changing I am getting this 1804, why this WWAN error 1804 on Lenovo X301 is coming. If you can help me I can be really thankful to you.
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