Follow these steps to reset msl and write cert file easily:

1).Download ⇒J500H MSL Reset BY Dsmedia24 6.0.1.tar file,, choose CP in Odin and select the J500H MSL Reset BY Dsmedia24 6.0.1.tar file and flash


2). Download ⇒J500H Dual Cert


3).Dial on phone *#0808#, choose DM+MODEM+ADB and press ok.


4).Use Z3X Box, choose SM-J500H, locate Repair, select Samsung Serial Port drivers from the list and and click reset msl.



5). Finally, proceed to write cert without errors and enjoy!!!


See Success Logs:

Operation: Write CERT
Selected model: SM-J500H
Software version: 30.5

Checking CERT file… OK
KEY ID: 0241
Waiting ADB device… OK
Reading phone info…
Model: SM-J500H
Android version: 6.0.1
Product code: SM-J500HZDDSER
Phone version: J500HXXU1APA2
PDA version: J500HXXU2BPK2
CSC version: J500HOXE2BPK2
CSC country code: Russia
CSC sales code: SER
HW version: MP 0.400
Phone SN:
Modem board: MSM8216
Security patch: 2016-11-01
RF cal date: 2016.10.18
Writing AT RIL… OK
Initialization AT RIL… root required
Checking Super user right… true
Initialization AT RIL… OK
Bypass MSL… OK
Checking for compatible phone and cert… OK
Phone KEY ID: 0241
Writing CERT… OK
Checking CERT status… OK
Writing Slave CERT… OK
Checking Slave CERT status… OK
Rebooting phone… OK
Done with Samsung Tool PRO v.30.5

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