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I'm not rooted.
Still get the errorI have had the same problem since I installed update1 in late September. I have found that the following steps fixed the problem, and also defeats the 24 hour lockout in Software Update.
WARNING: I have no idea what other effects these steps might have. I know it got me past the Communication Failed errors and defeated the 24 hour lockout. I have done this several times without any apparent damage to my Captivate. Use at your own risk. Maybe an Android expert can chime in here with more info.
- From the Home screen, press the Menu button and select Settings.
- Select Application, then Manage Applications
- Press the Menu button, then Filter, then select Running.
- Scroll down the list and select Device management.
- Under the Storage section, press the Clear data button.
- Power your phone off, then back on.
You should now be able to perform a Software Update. If you want to check for updates before your 24 hours are up, repeat the steps above.
Good luck.
- From the Home screen, press the Menu button and select Settings.
- Select Application, then Manage Applications
- Press the Menu button, then Filter, then select Running.
- Scroll down the list and select Device management.
- Under the Storage section, press the Clear data button.
- Power your phone off, then back on.
You should now be able to perform a Software Update. If you want to check for updates before your 24 hours are up, repeat the steps above.
Good luck.
As far as I know everyone gets this error now.
Why keep hammering the update servers when you know there aren't any new updates?
As I mentioned in post #2, the following, otherwise referred to as the update process enema, enables me to check for updates (and receive valid replies) at will. Requires root.
Software Updates - CapFAQ
Try it. Report back.