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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Hardware Repair

Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones.

View Poll Results: Solution
What is the solution? 48 64.86%
Is this a hardware or a software issue? 34 45.95%
Multiple Choice Poll. Voters: 74. You may not vote on this poll

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Old 05-23-2018, 01:01   #16 (permalink)
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some user post it here in the forums, sorry i dnt remember the name, but i did this for a lot of phones, and yes works

Okey exactly in this order:

1-flash combo file and then dial *#33725327#
1.1-make backup efs
1.2-select menu 3 EFS CLEAR & RESTORE

Phone will get signal in combination when reboots but next step is to flash stock and phone will be back to mipi fail, be patience, go thru all steps.

2-flash stock
2.1-root with engroot and .bat superSU 2017 on android 7

2.2-
adb shell
su
am broadcast -a android.provider.Telephony.SECRET_CODE -d android_secret_code://27663368378

2.3-
hidden menu shows

2 ue setting info
1 setting
2 system
3 nv rebuild
3 all

Phone will get signal when reboots on stock firmware. Many users have done it as I wrote it.

Report back please.
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Old 07-09-2018, 07:18   #17 (permalink)
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Quote:
Originally Posted by jkar5600 View Post
some user post it here in the forums, sorry i dnt remember the name, but i did this for a lot of phones, and yes works

Okey exactly in this order:

1-flash combo file and then dial *#33725327#
1.1-make backup efs
1.2-select menu 3 EFS CLEAR & RESTORE

Phone will get signal in combination when reboots but next step is to flash stock and phone will be back to mipi fail, be patience, go thru all steps.

2-flash stock
2.1-root with engroot and .bat superSU 2017 on android 7

2.2-
adb shell
su
am broadcast -a android.provider.Telephony.SECRET_CODE -d android_secret_code://27663368378

2.3-
hidden menu shows

2 ue setting info
1 setting
2 system
3 nv rebuild
3 all

Phone will get signal when reboots on stock firmware. Many users have done it as I wrote it.

Report back please.





It works. Follow the guide and back to MIPI TEST SUCCESS

Previously, i was stuck on the screen

No service
NETWORK : UNBLOCK
IMEI Certi: PASS,1
Unknown
MIPI DEVICE FAIL
DEVICE MID=0x217, PID=0x021
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Old 09-29-2018, 02:55   #18 (permalink)
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can i have someone hlp me with this same issue, im familiar with odin but not too much. emeliolamas82 at gmail
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Old 09-29-2018, 23:36   #19 (permalink)
HUM
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change charging flex
ur problem will be solved
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Old 10-10-2018, 13:19   #20 (permalink)
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Quote:
Originally Posted by jkar5600 View Post
some user post it here in the forums, sorry i dnt remember the name, but i did this for a lot of phones, and yes works

Okey exactly in this order:

1-flash combo file and then dial *#33725327#
1.1-make backup efs
1.2-select menu 3 EFS CLEAR & RESTORE

Phone will get signal in combination when reboots but next step is to flash stock and phone will be back to mipi fail, be patience, go thru all steps.

2-flash stock
2.1-root with engroot and .bat superSU 2017 on android 7

2.2-
adb shell
su
am broadcast -a android.provider.Telephony.SECRET_CODE -d android_secret_code://27663368378

2.3-
hidden menu shows

2 ue setting info
1 setting
2 system
3 nv rebuild
3 all

Phone will get signal when reboots on stock firmware. Many users have done it as I wrote it.

Report back please.

Hey buddy! its working for me on SM-G935A bin-4 Android7.0
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Old 10-22-2018, 20:59   #21 (permalink)
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I solved it by replacing chargingport
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Old 02-02-2019, 17:41   #22 (permalink)
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No need to change anything on sprint. Just downgrade to 6.0.1 then go to settings the last menu at the bottom then press vol + then vol - vol - you will get into service mode. Then go to network control and select all the bands of gsm and lte. Restart the device. You will have network
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Old 04-19-2019, 16:40   #23 (permalink)
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I need allso

I have this phone in hand any 1 with the solution
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Old 06-27-2019, 16:24   #24 (permalink)
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Hello Everyone,

Today i got a phone G935A. That Phone Problem was Need to Change LCD. When our Technician change LCD after that we saw Phone need also Network unLock!

I did unlock phone by octopus read code. Enter code after Phone showing Emergency Calls only! i Go Octopus Support section and i downloaded STOCK_MODEM_G935AUCS4BRC1.tar.rar File and flash it with Octopus tool.

Magic! Phone Showing Operator Name!
Before i write Stock Modem File i also replace That broken lcd but problem still persist.

I dont know Every Phone had same Problem or not.
But I Fixed it by Software.
__________________
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Rules are for the obedience of fools and the guidance of wise men.

Best Regards,
Shamim
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Old 06-27-2019, 18:07   #25 (permalink)
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MIPI Fail can be caused by two issues.

1. Hardware, either bad charging port board/flex, or mismatched meaning you can't mix up the G93xU (QC) with the G93x (Exynos) boards.
2. Software may work by rebuilding the EFS by the various method which have already been posted.

I always try the hardware method first, because if it is in fact a hardware issue, then the software fix will not work anyway.
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Old 07-01-2019, 03:02   #26 (permalink)
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Hi, I try with mipi tool, combination, signal got back, but get lost in few minutes, changing the flex solved permanently, and u can flash last full firmware
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Old 10-13-2019, 00:05   #27 (permalink)
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follow this method its working file Fix MIPI DEVICE FAIL for G935A - G935T - G935V - G935P REV8 | Yemen-Pro
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Old 12-04-2020, 11:59   #28 (permalink)
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realy good..that is true....
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