Desire 601 dual sim IMEI repair

how repair imei Desire 601 dual sim ?

log

Using Version…1.0.0.0030
Selected Model HTC Android
Selected Task HTC CHANGE IMEI2

Please Wait…
Fastboot Device Found..HC41FWK00814
Model := : java
Model ID := : 0P4E41000
SW Version := :
BOOT Version := : 3.8.12.0000
Security S-OFF FLAG IS := 0
Reading IMEI2
IMEI2 := FO[ERR] Command

imei change fail…HYzBDcAwCANnKiFOeEZt5rj9tyggWxY6LNuHHdZFQi/aWBO1FnPiu7IOS+ADD1z4aW/kiVeOzLKy1Dt6UKCbz2iN+AE=
Total Time Take…00:00:16
Log Saved