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This procedure is presented here as informational only. It is not an official procedure, endorsed by 
RadioShack.  Whistler, RadioShack, RadioReference, its officers, administrators and moderators, do 
not endorse the use of this procedure or any firmware modifications of any kind used in this 
process in any manner, including but not limited to, responsibility for repairing a non-operative 
scanner. The user assumes all responsibility when utilizing this procedure, including the 
possibility, however remote, of rendering your scanner inoperative. This process will likely 
void any warranty. Bottom line, you are on your own if something goes wrong. 

Preparation

1. Install GREFwTool
2. Obtain the 3.8 version of the firmware (ws1080e U3.8.bin) and place in the same folder as GREFwTool
3. Install the EZScan software for the WS1080
4. Always back up your data before proceeding

This process is discussed, in detail, in this Thread

Process

1. Start GREFwTool
2. Take the batteries out of your scanner and unplug it
3. Press and hold the Menu button while inserting the USB cable (one end already plugged into the computer).
4. Once plugged in, let go of the Menu button. Wait for the beep from your computer. It could take up to 30 seconds.
5. In GREFwTool go to Settings and press Rescan. The COM port should be filled in.
6. For Scanner Type use the pulldown to select the scanner you are using (i.e. Pro-668). For Firmware use the pulldown to select what you want the scanner to become (WS1080)
7. Select the Connect To Scanner icon
8. Select the Update Firmware in Scanner icon, Select the firmware file ws1080e U3.8.bin (Do Not select the download firmware button! it will give you the latest and it only partially works. It will not provide DMR, DIGITAL or P25 on your scanner as of this writing) Your scanner should now be upgrading the firmware. It will shut down when done.
9. Go into EZScan (not IScan) do the DSP Update, library updates and/or restore from archive or transfer database if needed. via the cable or card reader
   1. Do not allow a firmware update until further notice and testing shows another firmware works 100%
10. Turn your scanner on, if it loads fine and works, put the batteries in