i9505 Reading security error access denied Solution+Unlock

Quote :

NOTE THIS:

Build: M9615A-CEFWTAZM-4.0.17125 Not possible to unlock

Build: M9615A-CEFWTAZM-4.0.17062 unlock possible

1 Root yur mobile using this CF-Auto-Root-jflte-jfltexx-gti9505.zip Rooting is not necessary if need yu can root it.

2 in yur mobile dial *#7284# there select modem den dial *#9090# den press option there give input key 4 (DM over UART) yur mobile vill reboot.

3 Run z3x Samsung tool there select model i9505 den cnnt uart cable (use 300k or 510k uart cable) press unlock.

4 if yur build nuber is M9615A-CEFWTAZM-4.0.17062 yur mobile sud b unlocked.

5 Build: (M9615A-CEFWTAZM-4.0.17125 Reading security... error access denied) if yu get tis error yu have to downgrade yur mobile to old build M9615A-CEFWTAZM-4.0.17062.

How to Downgrade Build: M9615A-CEFWTAZM-4.0.17125 to M9615A-CEFWTAZM-4.0.17062 procedure

1st method Download yur carrier 4.2.2 firmware(at&t,O2 etc) from support sites nd flash it through odin if yur mobile doesn't boot hard rest it.after update to 4.2.2 yur mobile must be on unlockable Build. to unlock yur mobile follow above given procedure.

2nd method if this does't work Download this patched modem nd flash it through odin .select the file as PDA. I9505_modem_patch_File_for_Unlock

After flashing this patch follow the above method to unlock yur mobile .

My unlock result below here using this patch.

Quote :

Selected model: I9505
Selected port: COM9 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Build: M9615A-CEFWTAZM-4.0.17125
Reading security... error access denied
Done with Samsung Tool v.16.8

Selected model: I9505
Selected port: COM9 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Build: M9615A-CEFWTAZM-4.0.17062
Reading security... OK
Searching server... OK
NET lock: #7465625*638*37429693#
Sub lock: #7465625*782*00000000#
SP lock: #7465625*77*00000000#
CP lock: #7465625*27*00000000#
For check lock status: *#7465625#
Done with Samsung Tool v.16.8

Selected model: I9505
Selected port: COM9 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Build: M9615A-CEFWTAZM-4.0.17062
Reading security... OK
Calculating... OK
Writing security... OK
Reseting...
Unlock done
Done with Samsung Tool v.16.8