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How to Restore SGS4 SGH-M919 to Tmobile Factory

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helake_az
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(Last edited by helake_az; 29th November 2013 at 05:30 AM.) Reason: Clarification of facts - feedback.
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Arrow How to Restore SGS4 SGH-M919 to Tmobile Factory

If you have been unfortunate enough to get the Samsung Over The Air (OTA) Android 4.3 Release and wanted to know how to reset your S4 to factory:
1. Install Samsung Kies Drivers, available from link
2. Install Odin, available from Link
3. Download M919UVUEMK2 Android 4.3 11.16.2013 update, available from Link

I used Odin v1.85 to install M919UVUEMK2 restoring my non-working SGS4 to a working phone. When you boot the Phone in ODIN loader mode shows
ODIN MODE
PRODUCT NAME: SGH-M919
CURRENT BINARY: Samsung Official
SYSTEM STATUS: Official
KNOX Kernel Lock: 0x0 <-- note this was set by me in my trying to restore to 4.2.2
KNOX WARRANTY VOID: 0x1 <-- Shows here but I was out of warranty anyway
CSB-CONFIG-LSB: 0x30
WRITE PROTECTION: Enable
eMMC BURST MODE: enabled
-----------------------------------
When you boot in recovery mode all is well.
-----------------------------------

IT DOES NOT RESET THE Samsung "KNOX WARRANTY VOID: 0x1" flag as per my ODIN Mode display above. Currently I as well as many others continue to investigate this Samsung Knox Issue.

A reasonable explanation of what has transpired in Samsung Knox World is at: link.

A Bit of good news, to root SGS4 M919 Android 4.3 you can use the free Kingo Android rooter @ link.
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kevinrubio1
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Wait I'm confused, this is to revert back to 4.2.2?

Sent from my SGH-M919 using xda app-developers app
CURRENT DEVICE: T-Mobile's Samsung Galaxy S4
ROM: Stock ROM

if you don''t have dropbox-> here. Very handy
 
jonahtriangle@hotmail.com
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How would anyone be unfortunate to get this OTA?

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tylerholbrook
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Quote:
Originally Posted by helake_az View Post
If you have been unfortunate enough to get the Samsung Over The Air (OTA) Android 4.3 Release and wanted to know how to reset your S4 to factory:
1. Install Samsung Kies Drivers, available from link
2. Install Odin, available from Link
3. Download M919UVUEMK2 Android 4.3 11.16.2013 update, available from Link

I used Odin v1.85 to install M919UVUEMK2 getting rid of all Warranty Flag errors.

Notes: When you extract M919UVUEMK2 zip file, extract to directory, copy Odin .exe and .ini files to this directory before running Odin. Also kill kies software which vies for the COM port. If you get stuck at the T-Mobile screen with the white background (e.g. greater than 10 minutes), hold power key 10 seconds to shut down phone and volume up + power on to get to recovery and do factory reset.
Wait... So this reset your Knox warranty flag? No way it's that easy

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scooter247
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To me it makes since because the original boot loader is replaced by the new one. So the update file would not be set up to look for these flags and just replace them. A few update from now we may not be so lucky because the will most likely not override the flags and like this update not let you down grade the bootloader.

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DigitalHeretic
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So this basically just resets the KNOX flag back to 0x0, while keeping 4.3? Is it really that easy to fool the warranty department at Samsung?

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richardmkovach
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Originally Posted by DigitalHeretic View Post
So this basically just resets the KNOX flag back to 0x0, while keeping 4.3? Is it really that easy to fool the warranty department at Samsung?

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+1
I'm sure the whole of this forum would appreciate if someone with a tripped flag could test this out.

Thanks in advance.
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RiverCity.45
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(Last edited by RiverCity.45; 27th November 2013 at 10:55 PM.)
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Yeah.I'm skeptical. All I've read about Know so far is that once Knox status is at 0x1, it's there permanently. Would love to see proof that the method listed here gets Knox back to 0x0.
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helake_az
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When you boot the Phone in ODIN loader mode shows
ODIN MODE
PRODUCT NAME: SGH-M919
CURRENT BINARY: Samsung Official
SYSTEM STATUS: Official
KNOX Kernel Lock: 0x0 <-- note this was set by me in my trying to restore to 4.2.2
KNOX WARRANTY VOID: 0x1 <-- Shows here but I was out of warranty anyway
CSB-CONFIG-LSB: 0x30
WRITE PROTECTION: Enable
eMMC BURST MODE: enabled
-----------------------------------
When you boot in recovery mode all is well.
T-Mobile Samsung Galaxy S4 SGH-M919, Android 4.3 Stock Rooted
Microsoft Surface 64GB Tablet, Windows On ARM 8.1
Kindle Keyboard, Stock Kindle 3.4
 
Burner2K0
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Hmmm idk, maybe it'll help me get OTAs if this does work. I kies'd the update while I still had some root files so now my secure boot is at samsung while my device status is at custom, oh well.

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