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s6 e: failed to mount /efs

Cupar19
By Cupar19
in Phones and Tablets
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Posted

so i may have done something to the /efs partition because this happens when i boot my phone. 's6 e: failed to maount /efs (invalid argument)'

its is an s6 SM-G920f 

 

anybody know what to do?

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Posted

I hope you backed up your EFS before that, otherwise you are in heap of trouble.

mY sYsTeM iS Not pErfoRmInG aS gOOd As I sAW oN yOuTuBe. WhA t IS a GoOd FaN CuRVe??!!? wHat aRe tEh GoOd OvERclok SeTTinGS FoR My CaRd??  HoW CaN I foRcE my GpU to uSe 1o0%? BuT WiLL i HaVE Bo0tllEnEcKs? RyZEN dOeS NoT peRfORm BetTer wItH HiGhER sPEED RaM!!! dId i WiN teH SiLiCON LotTerrY? yOu ShoUlD dEsHrOuD uR GPU. my SYstEm iS UNDerPerforMiNg iN WarzONE. can mY Pc Run WiNdOwS 11 ?? woUld BaKInG MY GRaPHics card fIX it? MultimETeR TeSTiNG!! aMd'S GpU DrIvErS aRe as goOD aS NviDia's YOU SHoUlD oVERCloCk yOUR ramS To 5000C18

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Posted
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Just now, Levent said:

I hope you backed up your EFS before that, otherwise you are in heap of trouble.

no i haven't

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Posted
2 minutes ago, Cupar19 said:

no i haven't

EFS partition is unique to each device, it includes your IMEI, MAC IDs and such thats why you cant just restore from someone elses backup. I am aware there are methods of restoring IMEI and other variables but I am not familiar with one.

Look in to this, might give you some idea but not sure if it will work with your variant.

https://forum.xda-developers.com/android/general/guide-restore-imei-fix-corrupted-efs-t3116217

mY sYsTeM iS Not pErfoRmInG aS gOOd As I sAW oN yOuTuBe. WhA t IS a GoOd FaN CuRVe??!!? wHat aRe tEh GoOd OvERclok SeTTinGS FoR My CaRd??  HoW CaN I foRcE my GpU to uSe 1o0%? BuT WiLL i HaVE Bo0tllEnEcKs? RyZEN dOeS NoT peRfORm BetTer wItH HiGhER sPEED RaM!!! dId i WiN teH SiLiCON LotTerrY? yOu ShoUlD dEsHrOuD uR GPU. my SYstEm iS UNDerPerforMiNg iN WarzONE. can mY Pc Run WiNdOwS 11 ?? woUld BaKInG MY GRaPHics card fIX it? MultimETeR TeSTiNG!! aMd'S GpU DrIvErS aRe as goOD aS NviDia's YOU SHoUlD oVERCloCk yOUR ramS To 5000C18

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13 minutes ago, Levent said:

EFS partition is unique to each device, it includes your IMEI, MAC IDs and such thats why you cant just restore from someone elses backup. I am aware there are methods of restoring IMEI and other variables but I am not familiar with one.

Look in to this, might give you some idea but not sure if it will work with your variant.

https://forum.xda-developers.com/android/general/guide-restore-imei-fix-corrupted-efs-t3116217

odin says 'Complete(write) operation failed' the same thing the efs i tried to flash before said ( it was my backup but didn't work)

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  • 1 year later...
Posted
On 6/21/2019 at 2:33 PM, Cupar19 said:

so i now have TWRP if that helps

Hi did you figured out the solution? I am in the same position as you right now. 

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On 10/1/2020 at 12:01 AM, Rin5743 said:

Hi did you figured out the solution? I am in the same position as you right now. 

kinda, if i flashed a custom rom i could get the phone to boot, but things like bluetooth and actual phone function where fucked. cant remember much else sorry

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