Spl-l720 mja modem version not unlocked

anybady have solution for unlock l720 modem version MJA i try it more times but not succes





Selected model: L720

Selected port: COM342 SAMSUNG Mobile USB Serial Port

Selected port speed: 115200

Bypass MSL... OK

Reading phone info...

Build: M9615A-CEFWTAZM-4.0.17122

Unlocking... error access denied

Done with Samsung Tool v.16.3

Done with Samsung Tool v.16.3



and with uart cable



Selected model: L720

Selected port: COM60 Z3X BOX Serial Port

Selected port speed: 115200

Bypass MSL... OK

Reading phone info...

Build: M9615A-CEFWTAZM-4.0.17122

Unlocking... error access denied

Done with Samsung Tool v.16.3

Done with Samsung Tool v.16.3

via Welcome to gsm-tips http://forum.gsmhosting.com/vbb/f453/spl-l720-mja-modem-version-not-unlocked-1748255/