10-19-2008, 09:58 AM
Join Date: Mar 2008
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1) If your reception is not great and you lose calls, it could be that you are in a poor area for Sprint coverage. Did you have service with them before, or did you switch to their service recently?
2) Have you tried a battery pull recently?
3) There is an OS 4.5 link stickied in the 83xx forum, but the general feeling around here is if it ain't broke, don't fix it. IMHO, I would work on solving the other problems first before upgrading the OS.