My son has an LG Cosmos 3. It keeps saying message inbox is full even though there is 54MB of internal memory available. I have installed a 32GB SD card and moved all movable data on it (which is not much). I have tried a hard reboot by removing battery. There are only 8 txt threads in his inbox. HELP!
We appreciate you doing all of that troubleshooting, weshuang! Because you have done all the steps that are required in troubleshooting our next step would be doing a factory reset on the device. Here are the steps http://vz.to/1noCx8n.
RobinD_VZW
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