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The LG Cosmos 3, also known by its model number LG-VN251S, is a slider mobile phone made by LG Electronics.

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sd card not working

I got a micro sd card inserted it with the phone off. It won't reconize it.

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If you have a Windows computer, attach the SD card to there, open file explorer, right click on it, select format, then click the file system type drop down menu, then select fat from the list, and hit start format. Put the SD card in your phone, and it should work. Hope this helps!

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you may have to format the sd card which will unfortunately erase everything on the card. or the card may be corrupted which means you need a new one anyways.

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7 Comments:

Its a new micro sd card. I went to format it and It says I need a phone lock code number. I don't know what that is. its not the voice mail code.

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I did use the last 4 numbers for the code but it still shows the memory is full.

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I still can't figure it out. I formatted the 16 gb card (it shows I have a lot of memory available)and then restarted the phone and it still shows inbox full. I don't know what to try next.

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By playing with it I moved all info from the phone to the card and it still shows the inbox is full so I kept playing with it and transferred all info from the card to the phone and it still shows inbox is full. Any ideas?????

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I talked to LG and they said that there is no way to save texts on this or any other phone. They said that the internal memory and or the sim card is fixed and that's that. The sd card is for pics and music.

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