Qualcomm tool 5.2.7 released

-Fixed unlock 820SC/821SC
-Fixed unlock 920SC
-Added support new version for unlock/IMEI repair Softbank phones

If Softbank version not supported - post SW version
Here
For unlock Softbank phones use only COM part of 2in1 cable.
Connect RJ45 cable to phone and press “unlock”.
That’s all.

P.S. Unlocking 730SC in testing.