SM-A710MUBU2BPL1 baseband unknown

[frankerebus]

hi there , just for research in this version cannot downgrade full firmware & ill ready have ROOT & modem downgraded but Baseband & security damaged & no modem port found when try to realize any work so .. cannot repair unlock or writhe cert , there marks me downgrade modem, but ill ready downgraded! with reported success modems like A710MZTO1AOL2... any help?

REPAIR INSTRUCTIONS:
Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Fill values what you need to repair.
6. Press 'Repair' button.
7. Press 'Patch Certificate' if you have network problem after repairing.
7. Press 'Reset EFS' if you need to reset it.
Be carefully, do not perform this without necessity. Backup will be created automatically.

Repair DRK (Use it if you have DRK damaged (phone stuck on boot)):
1. Power on phone in download mode (turn off phone, hold vol.down + Camera + Power).
2. Connect phone to PC with USB cable, install drivers if needed.
3. Press 'Repair DRK' button.

Operation: Repair
Selected model: SM-A710M
Software version: 27.7

If you are looking for 'Repair Network' function then you should use 'Patch Certificate'

Waiting ADB device... Ok
Reading phone info...
Model: SM-A710M
Android version: 6.0.1
Product code:
Phone version:
PDA version: A710MUBU2BPL1
CSC version: A710MZTO2BPL1
CSC country code: Brazil
CSC sales code: ZTO
HW version:
Phone SN: RF1D45EJGGR
Chip name: EXYNOS7580
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Reading NV data... Ok
Checking NV data... Ok
Can not detected modem type

Done with Samsung Tool PRO v.27.7
----------------------------------------------
Operation: Write CERT
Selected model: SM-A710M
Software version: 27.7

Waiting ADB device... Ok
Reading phone info...
Model: SM-A710M
Android version: 6.0.1
Product code:
Phone version:
PDA version: A710MUBU2BPL1
CSC version: A710MZTO2BPL1
CSC country code: Brazil
CSC sales code: ZTO
HW version:
Phone SN: RF8H60SRZ3H
Chip name: EXYNOS7580
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Reading NV data... Ok
Checking NV data... Ok
Initialization zTool... Ok
Running zTool, please wait...
Start... Ok
Initialization... Ok
Generate and check client proof... Ok
Verify proof by client... Ok
Reading data from phone... error (0)
Try downgrade modem if possible

Done with Samsung Tool PRO v.27.7

thanks in advance

[alangersain]

I have the same problem, any solution friends?