at&t does not sell the M7500. You will most likely have to input the browser,mms and possibly the sms settings manually. If you go to
www.wireless.att.com ,click support and choose a model close to what you have, you will next be taken to a page with a link to tutorials. Use the browser settings tutorial for internet,mms settings for picture messaging and so on. You need to have internet to send the pictures.
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