you're flashing the wrong *.shx file
are sure you're phone is e680 not e680i?
try flash this FW if you're phone is E680
DOWNLOADthere are three files
- E680G_G_0D.C5.AEP_0D.C0.B1P_T677SR_L001_S
- E680i_C5AEP_De-branding_sandman
How To flash
1. Extratct the first file into one folder
2. extract the second files into diffrent folder
3. Flash first files with MFF
4. while the status still erasing memory quickly copy paste the second files onto the first file folder.
5. wait until its finished flashing
6. you will get a
FAILED status
7. Dont worry just unplug phone remove the batery put it back turn on your phone
8. Voila your firmware has changed
9 The Third file just read the readme file..
hope it could help you