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S7 sm-g935fd Pinouts

Discussion of forensic issues related to all types of mobile phones and underlying technologies (GSM, GPRS, UMTS/3G, HSDPA, LTE, Bluetooth etc.)
Subforums: Mobile Telephone Case Law
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S7 sm-g935fd Pinouts

Post Posted: Tue Jan 24, 2017 12:54 pm

Hello everyone,

I am trying to root a samsung S7 edge - sm-g935fd but with no luck, the phone is password protected and USB debugging is disabled.

Has anyone got the pinouts for the phone and what box supports its JTAG?

or any other hint i can get round it.


Thanks,  

CopyRight
Senior Member
 
 
  

Re: S7 sm-g935fd Pinouts

Post Posted: Tue Jan 24, 2017 6:49 pm

No JTAG, no ISP since it's UFS based phone. Have you tried flashing custom recovery and proceed from there. FD variant shouldn have unlocked bootloader by default so it should be easy to get TWRP on it.

There are also so called "combination" flash files that contain sboot with adb enabled (no root tho), but it's a bit more risky.  

arcaine2
Senior Member
 
 
  

Re: S7 sm-g935fd Pinouts

Post Posted: Tue Jan 24, 2017 8:18 pm

- arcaine2
No JTAG, no ISP since it's UFS based phone. Have you tried flashing custom recovery and proceed from there. FD variant shouldn have unlocked bootloader by default so it should be easy to get TWRP on it.

There are also so called "combination" flash files that contain sboot with adb enabled (no root tho), but it's a bit more risky.

he can't the FRP is on and the frp will block any custom recovery Very Happy
use z3x to bypass the frp then use twrp to remove the password lock

check this log from z3x box :
Code:
Operation: Reset FRP/React/EE

Selected model: SM-G935F

Software version: 25.9

Checking local file... OK

Searching server... OK

Compare local and server file... OK (up to date)

Searching USB Flash Interface... detected COM35

Setup connection... OK

Reading data from phone... OK

Sending data to phone... OK

Waiting ADB device... OK

Reading phone info...

Model: SM-G935F

Android version: 6.0.1

Product code: SM-G935FEDUCAM

Phone version: G935FXXU1APF1

PDA version: G935FXXS1APG3

CSC version: G935FOLB1APEQ

CSC country code: THAILAND

CSC sales code: CAM

HW version: MP 0.801

Phone S/N: R58H53Q0PCB

Modem board: SHANNON335

RF cal date: 20160520

IMEI:

Checking Super user right... true

Erasing FRP... OK

Restore original kernel? Yes

Checking local file... not found

Searching server... OK

Downloading file... OK

Checking local file... OK

Restoring kernel... OK

Rebooting phone... OK

Reset FRP done

Done with Samsung Tool PRO v.25.9

ref : forum.gsmhosting.com/v...x-2113207/  

qassam22222
Senior Member
 
 
  

Re: S7 sm-g935fd Pinouts

Post Posted: Wed Jan 25, 2017 7:28 pm

- qassam22222
- arcaine2
No JTAG, no ISP since it's UFS based phone. Have you tried flashing custom recovery and proceed from there. FD variant shouldn have unlocked bootloader by default so it should be easy to get TWRP on it.

There are also so called "combination" flash files that contain sboot with adb enabled (no root tho), but it's a bit more risky.

he can't the FRP is on and the frp will block any custom recovery Very Happy
use z3x to bypass the frp then use twrp to remove the password lock


He didn't mention FRP, but your right, it probably is enabled. I actually never used z3x for FRP, i do this manually the other way, but i'm affraid it won't work here since you need to have adb enabled to get it working in the first place.
z3x have their own custom recoveries and those so called "combination" flashes which are test firmwares directly from Samsung that comes with sboot with unsecured adb (no auth required) enabled by default. This, if used unwisely might brick the device completelly from what i've seen.  

arcaine2
Senior Member
 
 
  

Re: S7 sm-g935fd Pinouts

Post Posted: Thu Jan 26, 2017 4:21 am

Okay Thanks everyone I've been trying and trying since I posted this thread. SO yes I tried to TWRP the phone and it FRP'd. In addition I cannot find the phone in ADB so I assume adb is disabled.

I have tried to connect it to z3x and it doesn't find the phone at all, so I could not try to reset FRP, however I am kind of new to the z3x maybe I am using it in the wrong way.

so the FRP reset the phone completey ( wipes the phone?) , if yes then this is not what I want.

The phone I am trying to root and install custom rom is really important and I want to be able to take a physical/logical dump.

Anyone?

Thaaanks.  

CopyRight
Senior Member
 
 
  

Re: S7 sm-g935fd Pinouts

Post Posted: Thu Jan 26, 2017 5:12 am

First go to recovery and read sw version of phone. SW versin is writen in recovery. Then You will now sccurity date and customization , then get boot loader version on download mode. Bay same phone flash same version of sw put sam data made frp protection and test ....  

stetocina
Member
 
 
  

Re: S7 sm-g935fd Pinouts

Post Posted: Thu Jan 26, 2017 7:01 pm

- CopyRight

so the FRP reset the phone completey ( wipes the phone?) , if yes then this is not what I want.


Not directly, at least in most cases. To disable FRP you just need to enable "OEM unlocking" in developer menu or wipe the partition with FRP data. In most reports you see it wipes data just because in 95% of cases such phones are after customer did a factory reset and is unable to log back to his old account so there's no data anyway.

First, do as stetocina said and check phone version. Then, since you have z3x check for combination firmware closest to your firmware version. In general, they're described to match Android version rather than firmware so file with FA51 name is meant to be used on 5.1, and FA60 is for Android 6. Then, extract sboot.bin (kernel) from firmware, repack on that file into .tar and flash it with odin (or flash this via z3x and mark only sboot.bin as file to be flashed). After that you should have ADB enabled by default with no authorization required. It won't bypass you the password tho or disable FRP, but maybe you'll find a way to ither root the device at this point or go into the menu by launching activitis via ADB.

It would be perfect if you have another phone to verify this, same model prefered by procedure is the same for each new Samsung model so testing on other to see how the procedure goes might be helpfull.  

arcaine2
Senior Member
 
 

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