MTS unlock code via Unisersala 2014 tools free here
MTS 547, MTS 535
Instructions release
1- Select the "MTS" tab
2- The following menu should appear.
3. Enter your 15-digit IMEI number and select the template and click "CALCULATE"
4- Your Unlock Code (NCK) appears in the right pane.
5. Insert a SIM card from another operator and enter the unlock code (NCK) when prompted.
* If you are asked to enter the SPCK too.