pictures wolnt download when thier sent to me
Do you mean MMS (picture messages)? If so, check your APN settings (in the mobile data settings). MMS uses mobile data for download (won't work with WiFi), and many networks have a separate APN for MMS in addition to the one for data. So check what the settings should be for your network (your carrier's website should have them somewhere, otherwise a web search will find them) and make sure yours match.
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