SM-J730gm modem downgrade [Answered]
 

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.

Operation: Repair
Selected model: SM-J730GM
Software version: 33.8

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

Waiting ADB device... OK
Reading phone info...
Model: SM-J730GM
Android version: 8.1.0
PDA version: J730GMDXU5BRI3
CSC version: J730GMOLD5BRI3
Phone version:
Product code:
CSC country code: THAILAND
CSC sales code: THL
Phone SN:
IMEI:
HW version:
RF cal date:
Chip name: EXYNOS7870
Modem board:
Security patch: 2018-08-01
Boot Warranty bit: 0
Checking Super user right... true
Reading NV data... OK
Checking NV data... error
Security damaged (decompress error)

Done with Samsung Tool PRO v.33.8


PLZ HELLP DOWNGRADE MODEM SECURITY PATCH 2018-08-01

http://imgurl.ir/uploads/t3272_Scree...Home_thumb.jpghttp://imgurl.ir/uploads/j908869_Scr...ings_thumb.jpghttp://imgurl.ir/uploads/e9598_Scree...ings_thumb.jpg

Try repair unkown baseband then repair nvdata

FIXED BASBAND ok. no networkfixed. only emergency calls only
error modem downgrade Can not be repaired

http://imgurl.ir/uploads/y02975_Scre...ngs1_thumb.jpg

Flash modem from combination same binary rev and retry repair

I got a flash combination after write combination imei ok basband ok emergncy calls onlly icon 🚫

Check *#0011# imei certi and mipi device success or failed

just flash update firmware your baseband and imei will be ok no need write ceart,efs etc

**0011# screenshots
patch certifacte ok
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.

Operation: Patch Certificate
Selected model: SM-J730GM
Software version: 33.7

Waiting ADB device... OK
Reading phone info...
Model: SM-J730GM
Android version: 8.1.0
PDA version: J730GMDXU5BRI3
CSC version: J730GMOLD5BRI3
Phone version: J730GMDXU5BRI3
Product code: SM-J730GZKUTHL
CSC country code: THAILAND
CSC sales code: THL
Phone SN: RF8JB2QANLW
IMEI: 860931022704295
HW version: MP 0.400
RF cal date: 20171219
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-08-01
Boot Warranty bit: 0
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Initialization data... OK
Writing zTool... OK
Initialization zTool... OK
Rebooting phone... OK
Patching CERT check... done

Done with Samsung Tool PRO v.33.7
http://imgurl.ir/uploads/y610491_Scr...RIL1_thumb.jpghttp://imgurl.ir/uploads/m68348_Scre...ome1_thumb.jpg

Hellp z3x team sulotion NG imei status repaier

8.1 no support for imei repair [emoji17]

Is Dongle chamira support ?