I've successfully upgraded using those steps twice in the past. However this time I'm stuck at step 9 of the Advanced Procedure. After wiping the device, then going to Application Loader, it won't detect my device. It just sits there asking me to select a device and enter my PIN. I've tried restarting DM (v4.7) several times, and tried several battery pulls on the BB. It just sits there with the 507 error and I can't do anything about it because DM won't recognize it. Suggestions?
First, shut down DM. Run loader.exe from C:\Program Files\Common Files\Research In Motion\AppLoader\ ... Then do a battery pull. While the red LED is still on, before it gives you the 507 error, connect it to your computer.
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Get rid of DM 4.7 and use 4.6. Is where I would start. Also unplugging the device and pluging it in real fast when you have the device manager open. It should detect for a second. You have to be fast though or you will miss it. Just try it a few times until you get it
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