Try downgrade modem if possible bug after 30.00

Software version: 30.9

Code:

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[ 09-Mar-18 7:49:00 PM ] Operation: Repair
[ 09-Mar-18 7:49:00 PM ] Selected model: SM-A320FL
[ 09-Mar-18 7:49:00 PM ]
[ 09-Mar-18 7:49:00 PM ]
[ 09-Mar-18 7:49:00 PM ]
[ 09-Mar-18 7:49:00 PM ] Waiting ADB device... OK
[ 09-Mar-18 7:49:00 PM ] Reading phone info...
[ 09-Mar-18 7:49:00 PM ] Model: SM-A320FL
[ 09-Mar-18 7:49:00 PM ] Android version: 6.0.1
[ 09-Mar-18 7:49:00 PM ] Product code: SM-A320FZKNWIN
[ 09-Mar-18 7:49:00 PM ] Phone version: A320FLXXU1AQD1
[ 09-Mar-18 7:49:00 PM ] PDA version: A320FLXXS1AQE2
[ 09-Mar-18 7:49:00 PM ] CSC version: A320FLWIN1AQD1
[ 09-Mar-18 7:49:00 PM ] CSC country code: ITALY
[ 09-Mar-18 7:49:00 PM ] CSC sales code: WIN
[ 09-Mar-18 7:49:00 PM ] HW version: MP 0.300
[ 09-Mar-18 7:49:00 PM ] Phone SN: RFxxx
[ 09-Mar-18 7:49:00 PM ] Chip name: EXYNOS7870
[ 09-Mar-18 7:49:00 PM ] Modem board: SHANNON315
[ 09-Mar-18 7:49:00 PM ] Security patch: 2017-05-01
[ 09-Mar-18 7:49:00 PM ] RF cal date: 20170321
[ 09-Mar-18 7:49:00 PM ] IMEI: 3xxxx
[ 09-Mar-18 7:49:00 PM ] Checking Super user right... true
[ 09-Mar-18 7:49:00 PM ] Reading NV data... OK
[ 09-Mar-18 7:49:00 PM ] Checking NV data... OK
[ 09-Mar-18 7:49:00 PM ] Reading data... OK
[ 09-Mar-18 7:49:00 PM ] Detecting MODEM... OK
[ 09-Mar-18 7:49:00 PM ] Reading MODEM... OK
[ 09-Mar-18 7:50:00 PM ] Calculating... OK
[ 09-Mar-18 7:50:00 PM ] Initialization data... OK
[ 09-Mar-18 7:50:00 PM ] Rebooting phone... OK
[ 09-Mar-18 7:50:00 PM ] Waiting ADB device... OK
[ 09-Mar-18 7:51:00 PM ] Waiting for device to become ready... OK
[ 09-Mar-18 7:51:00 PM ] Writing zTool... OK
[ 09-Mar-18 7:51:00 PM ] Initialization zTool... OK
[ 09-Mar-18 7:51:00 PM ] Running zTool, please wait...
[ 09-Mar-18 7:51:00 PM ] Start... OK
[ 09-Mar-18 7:51:00 PM ] Initialization... OK
[ 09-Mar-18 7:51:00 PM ] Generate and check client proof... OK
[ 09-Mar-18 7:51:00 PM ] Verify proof by client... OK
[ 09-Mar-18 7:51:00 PM ] Reading data... error (1 19)
[ 09-Mar-18 7:52:00 PM ] Initialization zTool... OK
[ 09-Mar-18 7:52:00 PM ] Running zTool, please wait...
[ 09-Mar-18 7:52:00 PM ] Start... OK
[ 09-Mar-18 7:52:00 PM ] Initialization... OK
[ 09-Mar-18 7:52:00 PM ] Generate and check client proof... OK
[ 09-Mar-18 7:52:00 PM ] Verify proof by client... OK
[ 09-Mar-18 7:52:00 PM ] Reading data from phone... error (0)
[ 09-Mar-18 7:52:00 PM ] Try downgrade modem if possible

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Software version: 30.0

Code:

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[ 09-Mar-18 7:55:00 PM ] Operation: Repair
[ 09-Mar-18 7:55:00 PM ] Selected model: SM-A320FL
[ 09-Mar-18 7:55:00 PM ] Software version: 30.0
[ 09-Mar-18 7:55:00 PM ]
[ 09-Mar-18 7:55:00 PM ]
[ 09-Mar-18 7:55:00 PM ] Waiting ADB device... OK
[ 09-Mar-18 7:55:00 PM ] Reading phone info...
[ 09-Mar-18 7:55:00 PM ] Model: SM-A320FL
[ 09-Mar-18 7:55:00 PM ] Android version: 6.0.1
[ 09-Mar-18 7:55:00 PM ] Product code: SM-A320FZKNWIN
[ 09-Mar-18 7:55:00 PM ] Phone version: A320FLXXU1AQD1
[ 09-Mar-18 7:55:00 PM ] PDA version: A320FLXXS1AQE2
[ 09-Mar-18 7:55:00 PM ] CSC version: A320FLWIN1AQD1
[ 09-Mar-18 7:55:00 PM ] CSC country code: ITALY
[ 09-Mar-18 7:55:00 PM ] CSC sales code: WIN
[ 09-Mar-18 7:55:00 PM ] HW version: MP 0.300
[ 09-Mar-18 7:55:00 PM ] Phone SN: RFxxx
[ 09-Mar-18 7:55:00 PM ] Chip name: EXYNOS7870
[ 09-Mar-18 7:55:00 PM ] Modem board: SHANNON315
[ 09-Mar-18 7:55:00 PM ] Security patch: 2017-05-01
[ 09-Mar-18 7:55:00 PM ] RF cal date: 20170321
[ 09-Mar-18 7:55:00 PM ] IMEI: 3xxx
[ 09-Mar-18 7:55:00 PM ] Checking Super user right... true
[ 09-Mar-18 7:55:00 PM ] Reading NV data... OK
[ 09-Mar-18 7:55:00 PM ] Checking NV data... OK
[ 09-Mar-18 7:55:00 PM ] Reading data... OK
[ 09-Mar-18 7:55:00 PM ] Detecting MODEM... OK
[ 09-Mar-18 7:55:00 PM ] Reading MODEM... OK
[ 09-Mar-18 7:56:00 PM ] Calculating... OK
[ 09-Mar-18 7:56:00 PM ] Writing zTool... OK
[ 09-Mar-18 7:56:00 PM ] Initialization zTool... OK
[ 09-Mar-18 7:56:00 PM ] Running zTool, please wait...
[ 09-Mar-18 7:56:00 PM ] Start... OK
[ 09-Mar-18 7:56:00 PM ] Initialization... OK
[ 09-Mar-18 7:56:00 PM ] Generate and check client proof... OK
[ 09-Mar-18 7:56:00 PM ] Verify proof by client... OK
[ 09-Mar-18 7:56:00 PM ] Reading data... OK
[ 09-Mar-18 7:56:00 PM ] HWID:  E4 04 00 00 00 00 00 00 00 00 00 00 9E 77 F6 36
[ 09-Mar-18 7:57:00 PM ] Calculating... OK
[ 09-Mar-18 7:57:00 PM ] Repairing... OK
[ 09-Mar-18 7:57:00 PM ] Writing NV data... OK
[ 09-Mar-18 7:57:00 PM ] Rebooting phone... OK
[ 09-Mar-18 7:57:00 PM ] Repair done
[ 09-Mar-18 7:57:00 PM ]
[ 09-Mar-18 7:58:00 PM ] Operation: Patch Certificate
[ 09-Mar-18 7:58:00 PM ] Selected model: SM-A320FL
[ 09-Mar-18 7:58:00 PM ] Software version: 30.0
[ 09-Mar-18 7:58:00 PM ]
[ 09-Mar-18 7:58:00 PM ] Waiting ADB device... OK
[ 09-Mar-18 7:58:00 PM ] Reading phone info...
[ 09-Mar-18 7:58:00 PM ] Model: SM-A320FL
[ 09-Mar-18 7:58:00 PM ] Android version: 6.0.1
[ 09-Mar-18 7:58:00 PM ] Product code: SM-A320FZKNWIN
[ 09-Mar-18 7:58:00 PM ] Phone version: A320FLXXU1AQD1
[ 09-Mar-18 7:58:00 PM ] PDA version: A320FLXXS1AQE2
[ 09-Mar-18 7:58:00 PM ] CSC version: A320FLWIN1AQD1
[ 09-Mar-18 7:58:00 PM ] CSC country code: ITALY
[ 09-Mar-18 7:58:00 PM ] CSC sales code: WIN
[ 09-Mar-18 7:58:00 PM ] HW version: MP 0.300
[ 09-Mar-18 7:58:00 PM ] Phone SN: RFxxx
[ 09-Mar-18 7:58:00 PM ] Chip name: EXYNOS7870
[ 09-Mar-18 7:58:00 PM ] Modem board: SHANNON315
[ 09-Mar-18 7:58:00 PM ] Security patch: 2017-05-01
[ 09-Mar-18 7:58:00 PM ] RF cal date: 20170321
[ 09-Mar-18 7:58:00 PM ] IMEI: 3xxx
[ 09-Mar-18 7:58:00 PM ] Checking Super user right... true
[ 09-Mar-18 7:58:00 PM ] Reading NV data... OK
[ 09-Mar-18 7:58:00 PM ] Checking NV data... OK
[ 09-Mar-18 7:58:00 PM ] Reading data... OK
[ 09-Mar-18 7:58:00 PM ] Detecting MODEM... OK
[ 09-Mar-18 7:58:00 PM ] Reading MODEM... OK
[ 09-Mar-18 7:58:00 PM ] Calculating... OK
[ 09-Mar-18 7:58:00 PM ] Writing zTool... OK
[ 09-Mar-18 7:59:00 PM ] Initialization zTool... OK
[ 09-Mar-18 7:59:00 PM ] Rebooting phone... OK
[ 09-Mar-18 7:59:00 PM ] Patching CERT check... done

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and other like read codes A510F, A310F.....