No need to root the phone manually with other solutions.
If the phone is android 4.0.x, select "i9100 4.0.x" on NsPro and unlock it.
Also android 4.1.2 is supported for direct Unlock on NsPro.

Samsung A157 Unlock Success.
 

Samsung A157 Unlock Success.Thank you Elco Sir.
http://img20.imageshack.us/img20/887...ocksuccess.png

Samsung A737 Unlock Success.
 

Samsung A737 Unlock Success.Thank you Elco Sir.
http://img46.imageshack.us/img46/818...ocksuccess.png

Samsung I717 Unlock Success.
 

Samsung I717 Unlock Success.Thank you Elco sir.
http://img23.imageshack.us/img23/473...ocksuccess.png

Samsung I727 Imei Repair Success.
 

Samsung I727 IMEI Repair Success.Thank you Elco Sir.
http://img526.imageshack.us/img526/3...airsuccess.png

Samsung I747 Unlock Success.
 

Samsung I747 Unlock Success.Thank you Elco Sir.
http://img818.imageshack.us/img818/4...ocksuccess.png

Samsung I777 Unlock Success.
 

Samsung I777 Unlock Success.Thank you Elco Sir.
http://img24.imageshack.us/img24/331...ocksuccess.png

Samsung I927 IMEI Repair Success.
 

Samsung I927 IMEI Repair Success.Thank you Elco Sir.
http://img543.imageshack.us/img543/3...airsuccess.png

Samsung I927 Unlock Success.Thank you Elco Sir.
 

Samsung I927 Unlock Success.Thank you Elco Sir.
http://img703.imageshack.us/img703/2...ocksuccess.png

Samsung I9000 Unlock Success.
 

Samsung I9000 Unlock Success.Thank you Elco Sir.
http://img600.imageshack.us/img600/1...ocksuccess.png

Samsung I9300 IMEI Repair Success.
 

Samsung I9300 IMEI Repair Success.Thank you Elco Sir.
http://img248.imageshack.us/img248/2...airsuccess.png

Samsung I9300 Unlock Success.
 

Samsung I9300 Unlock Success.Thank you Elco Sir.
http://img855.imageshack.us/img855/2...ocksuccess.png

Samsung P5100 Rooted Success.
 

Samsung P5100 Rooting Success.Thank you Elco Sir.
http://img163.imageshack.us/img163/6...tedsuccess.png

Samsung P5100 Unlock Success.
 

Samsung P5100 Unlock Success.Thank you Elco Sir.
http://img5.imageshack.us/img5/769/p...ocksuccess.png

Samsung S5839i Unlock Success.
 

Samsung S5839i Unlock Success.Thank you Elco Sir.
http://img109.imageshack.us/img109/7...ocksuccess.png