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  1.    #1  
    I will place or receive a call. At some point, the phone locks up and says No Service even though it also shows 2 or 3 bars next to the antenna. Any ideas? I tried a soft and hard reset to no avail.
  2. #2  
    I had the same "no service" problem after my Sprint Treo 600 was 14 months old. I installed a replacement battery from PDAparts.com and my phone has worked properly for the last 7 months with the new battery. My battery life appears longer with the replacement battery. Perform a search for "battery replacement". There is a great deal of information in Treo Central regarding this topic.

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