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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 02-02-2018, 05:56   #1 (permalink)
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G920F and A520F on andriod 7.0 FRP Problem Help!! :(


Hi everyone i need some help i have a few phones im stuck with G920f and a520f on andriod 7.0 i have tried to flash sboot enable adb but carnt remove lock so i flash combination which gives me factory binary but is on andriod 6.0.1 does this have to be combinayion 7.0? becuase when i use z3x or gsm flasher frp removel tool all i get is USERDATA.IMG is been used by another process..do i have to downgrade to 6.0.1 if so what if i carnt? also sometimes when i try and flash stock odin gives HIDDEN then fails

thanks
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Old 02-02-2018, 12:53   #2 (permalink)
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Many ways to solve your problem
If you want to use combination procedure
Which can be applied as a general solution
Flash full combination which by the way should be the same binary as the phone ex: (a520fxxu2 ) then 2 is the binary level of which the combination should be
No matter 6.0.1 or 7.0
After the phone boots up
. Flash stock firmware of the same binary ofcourse but with z3x flash ignoring userdata,pit,hidden
And using homeCSC file
The phone will boot up know with no setup now go to setting and reset phone.
You are done
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Old 02-02-2018, 18:11   #3 (permalink)
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Hi,

thanks for the kind reply i will try this also when i flash factory then flash firmware sometimes some files remain i.e sticks on sdamsung logo and also download mode has loads of yellow n green writeing like some of the combination files still in there. i have tried flashing the same way before but lock remains on

thanks
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Old 02-02-2018, 18:36   #4 (permalink)
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Concerning the writings in the download mode its a normal thing especially in new devices such as note8, s8, and s8+ so dont worry
For the phone to boot up after flashing stock firmware coming up from combination will take some time 2 or 3 min.
Try to choose close versions of combination and firmware to avoid being held on samsung logo
Be carefull to not flash userdata, pit so that the phone will not be resetted
So you are supposed to flash
( sboot, boot, system ,recovery , modem)
This will be enough
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Old 02-02-2018, 19:15   #5 (permalink)
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Hi,

thanks for your reply..

ok so i have flash comb and then looked through the stock but there is no userdata in any of the folders. i have to delete hidden and flash just the cache of the home csc as it fails i dont know y.

pretty new at this but im quick at learning
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Old 02-02-2018, 19:21   #6 (permalink)
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4 files firmware will have userdata and pit
If it fails at cache remove it
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Old 02-02-2018, 21:52   #7 (permalink)
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you are a star ty so much
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Old 02-03-2018, 11:34   #8 (permalink)
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Here you got tutorial with links to combination files that you need.

SAMSUNG G950F Galaxy S8 - Frequently Asked Questions about resetting your device - HardReset.info
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Old 02-12-2018, 20:05   #9 (permalink)
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I have another problem i have a samsung galasy s6 edge removed frp via combination i then download latest firmware and installed it prob is its andrion 7.0 i have had to root it cos it said something about been dirty so had to root it to fix drx error its sim locked and no box will unlock it z3x does not show imei or the csc and *#06# does not bring up the imei any advise please
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Old 02-12-2018, 20:16   #10 (permalink)
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Quote:
Originally Posted by gaz23leeds View Post
I have another problem i have a samsung galasy s6 edge removed frp via combination i then download latest firmware and installed it prob is its andrion 7.0 i have had to root it cos it said something about been dirty so had to root it to fix drx error its sim locked and no box will unlock it z3x does not show imei or the csc and *#06# does not bring up the imei any advise please
Piz specify model number and software
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Old 02-12-2018, 20:34   #11 (permalink)
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Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G928F
Timezone: Europe/London
Android Version: 7.0 [NRD90M]
Build Date: Thu Jan 4 11:57:08 KST 2018
PDA Version: G928FXXS4CRA1 [january 2018, rev1]
Phone Version: G928FXXU4CRA1 [january 2018, rev1]
Board Platform: EXYNOS5
Modem Platform: SHANNON333
Serial Number: R58H12YGF1D
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Old 02-12-2018, 20:41   #12 (permalink)
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Downgrade your modem and then retry to unlock
Only downgrade the modem by flashing modem file from older firmware
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Old 02-12-2018, 21:04   #13 (permalink)
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Checking hash file... OK
Waiting ADB device...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SM-G928F
Android version: 7.0
Product code: SM-G928FZKAEVR
Phone version: G928FXXU4CRA1
PDA version: G928FXXS4CRA1
CSC version:
CSC country code:
CSC sales code:
HW version: MP 0.500
Phone S/N: R58H12YGF1D
Modem board: SHANNON333
RF cal date: 20160123
IMEI:
tried 3 diff cp files nothing works imei does not show on screen
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Old 02-12-2018, 22:00   #14 (permalink)
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https://mega.nz/#!oV0n0YJT!rfPhhdPi1...qoJxt928FrVcbg
Try this modem
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Old 02-12-2018, 22:00   #15 (permalink)
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Mean imei damaged only cert write can help.
Org imei is lost if you do not have backup.
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