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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Android based phones

Samsung Android based phones Discussion and all of your questions relating to the Samsung Android based phones.

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Old 11-24-2018, 13:33   #1 (permalink)
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plz help j730f u3

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-J730F
Software version: 34.3

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

Waiting ADB device... OK
Reading phone info...
Model: SM-J730F
Android version: 7.0
PDA version: J730FXWS3ARI7
CSC version: J730FOJV3ARI1
Phone version: J730FXXU3ARI2
Product code: SM-J730FZSGMID
CSC country code: Iraq
CSC sales code: MID
IMEI: 359605087695071
HW version: MP 0.400
RF cal date: 20171222
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-09-01
Boot Warranty bit: 1
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Writing zTool... 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... error (1)
Initialization zTool... error (0 1)
Try downgrade modem if possible

Done with Samsung Tool PRO v.34.3
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Old 03-13-2019, 11:43   #2 (permalink)
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Location: Gondar, Ethiopia
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I need help too

I faced with the same problem, I tried flashing ENG MODEM J730FXXU3ARI1 but still no success.
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Old 03-14-2019, 00:56   #3 (permalink)
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Originally Posted by AnwaredinBeshir View Post
I faced with the same problem, I tried flashing ENG MODEM J730FXXU3ARI1 but still no success.
Best to post log mate.

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