HOW TO FLASH SPECTRUM PHONES USING SPD UPGRADE TOOL



Procedure
 
Download SPD UPGRADE TOOL


1. Open the Research download tool 

2. Launch ResearchDownload.exe

3. Click on the Load Packet icon (top left corner)

4. In the window that pops up, navigate to the location of the .pac file, select it then click Open

5. The pac file should now be loaded (its name should appear at the top)

6. Click the Settings Icon (top left corner)

7. In the box that pops up, untick any item(s) you do not wish to flash then click OK. Ignore this step if you wish to flash all files

8. Click the Start downloading button

9. You should see Waiting.... under the Progress bar

10. Switch off the phone and remove battery (insert it back) then
Hold the volume down(in some cases ,hold the volume up) and connect to PC via USB cord and flashing should begin. DO NOT interrupt

11. Once flashing is complete, you'll see Passed

12. Click on the Stop downloading icon then disconnect the phone from PC and boot
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