SAMSUNG GALAXY S4 sprint l720 susessfully unlocked with z3x box

S4 sprint l720 susessfully unlocked with z3x box

baseband. MF9

first downgrade baseband mf9 to mdc
here link
https://hotfile.com/dl/250307002/e42...m.tar.zip.html

Open the phone app and enter dialer code ##3424# then select Qualcomm USB Setting and select the last option, DM + MDM + ADB and hit OK.
BE SURE TO SET BACK TO MTP+ADB WHEN THIS IS ALL DONE

after unlock





Selected model: L720
Selected port: COM32 SAMSUNG Mobile USB Serial Port
Selected port speed: 115200
Reading phone info...
Build: M9615A-CEFWTAZM-4.0.17062
Done with Samsung Tool v.16.0

Selected model: L720
Selected port: COM32 SAMSUNG Mobile USB Serial Port
Selected port speed: 115200
Bypass MSL... OK
Reading phone info...
Build: M9615A-CEFWTAZM-4.0.17062
Unlocking... OK
Reseting... OK
Unlock done
Done with Samsung Tool v.16.0
Done with Samsung Tool v.16.0

thanks for z3x team

works international only

 

 

PROCESS:1. After confirming you are on MDC/MDL baseband.. set your phone to diag mode.

Stock: Open the phone app and enter dialer code ##3424# then select Qualcomm USB Setting and select the last option, DM + MDM + ADB and hit OK.
BE SURE TO SET BACK TO MTP+ADB WHEN THIS IS ALL DONE.
You may be asked your for SPC/MSL code prior to the menu opening.
You can get this from Sprint or by doing the following... Open ##3282# menu and hit Edit. Enter 123456 and it Ok.. you will be told it is incorrect.
Now open terminal emulator and type in "getprop ril.MSL" without the quotes and you should have your MSL.

AOSP: Connect phone to computer. Enable USB Debugging in the Developer options. Open command prompt/terminal.
Enter adb shell. Then type su hit enter.
Confirm # then type setprop sys.usb.config diag,acm,adb then hit enter.
This mode disables itself after you reboot the phone.