I'm using Samsung Galaxy Ace GT-S5830. More than an hour ago, Samsung-Kies prompted me to install a firmware update. It downloaded the required files and then proceeded to the actual upgrade. Now, since an hour, I'm getting 0% progress on the "Firware update in progress..." screen. It obviously says not to disconnect the phone. The phone shows "Downloading..." It's been like this since an hour. I don't want to brick my phone by pulling the USB cable off. Please suggest something.
migrated from superuser.com Apr 11 '11 at 20:12
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I would suggest pulling it off and trying again. Usually this happens when Kies wasn't able to properly communicate with the device after putting it into Download Mode. I've had this happen before and rebooting my device and trying again worked. You can also try putting the phone into Download Mode manually (may or may not work while plugged into USB):