Service Provider Update after Root

drmatthews1

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Jan 25, 2014
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I have followed the guide to flash the unlocked firmware and root my S7 Edge (http://forum.xda-developers.com/ver...de-flashing-sm-935u-firmware-verizon-t3415145) and all has been working well this weekend. This morning my phone gives me a persistent popup notification about a service provider update and "my device will restart to configure features supported by new sim card." The only option is to press ok and allow it to reboot. I cannot use my phone while this notification is active, and I am unable to kill it in any way. When the phone reboots to recovery, the configuration fails with "dm-verity verification failed". I then reboot system or power off and the endless cycle continues.

Has this happened to anyone else, has anyone figured out a way around this? I think I can reflash the firmware and start over from scratch, but this is of course not ideal.
Thank you for any help you may provide.
 

j3ffm1ll

Senior Member
Jul 19, 2013
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Thermopolis
I wasn't getting any notifications however i did have some strange behavior going on and rebooted only to get the dm-verity verification failed and was no longer able to boot it would just sit at the Samsung splash screen I then had to factory reset re-post and re-setup everything, hopefully your experience won't need that since you are still able to boot!

Sent from my SM-G935U using Tapatalk
 
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drmatthews1

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Jan 25, 2014
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Thank you for the response, it's always nice to know someone has had similar problems. Looks like I will have to try reflashing the firmware. After your re-setup, did you do anything to prevent the issue from reoccurring?
 

drmatthews1

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Jan 25, 2014
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Everything is again in working order. If anyone finds this and has the same problem, after flashing the Verizon fixes the phone is identified (in the about device setting) as the SM-G935V version again and is set to download updates automatically. I unchecked this option and I hope this should prevent it from happening again.
 

TehPirate_

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Nov 7, 2015
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Dameon87

Inactive Recognized Developer
Oct 30, 2008
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This happens when you install the xPosed module xTouchWiz. Generally it's perfectly fine to use. HOWEVER DO NOT CHECK THE DISABLE DVFS BOX! This is what causes this!
 
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thedrizzle

Senior Member
May 12, 2007
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This happens when you install the xPosed module xTouchWiz. Generally it's perfectly fine to use. HOWEVER DO NOT CHECK THE DISABLE DVFS BOX! This is what causes this!
Going to have to disagree with you there, I have had DVFS disabled since I've rooted and have never seen this issue. I should say though that I'm on the international firmware, so maybe it's something with the Verizon firmware?
 

Dameon87

Inactive Recognized Developer
Oct 30, 2008
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Going to have to disagree with you there, I have had DVFS disabled since I've rooted and have never seen this issue. I should say though that I'm on the international firmware, so maybe it's something with the Verizon firmware?
This has been my experience, as well as a few others. I'm not 100% sure it's that setting in particular, but I am 100% sure that it is caused by a setting in xTouchWiz. I had the issue once before, and it was a clean install save for xTouchwiz and me running through all the options. Since then, I've limited the choices in xTouchwiz and have not experienced the issue since. When I have some time I'll run through it and see if I can replicate the behavior again, since I'm working on a ROM.
 
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Trucifix

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Oct 21, 2013
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There is a simple fix...

I agree, XtouchWiz drops a bomb when installed and it will cripple your phone. I never played with DVFS, I personally though it was the disable TIMA that set it off. An easy fix for anyone who stumbled on this. Power off your phone, remove the sim card, power up your phone, freeze a service called AutoPreconfig, power down and insert sim, good to go.

More info http://forum.xda-developers.com/gal...ge-service-provider-update-t3425169?nocache=1

Shout out to Wired4Fun for this easy fix.