I lost my EFS - ONE Q&A, Help & Troubleshooting

A few weeks ago I lost my imei and retrieve it but then I realized I had completely lost the folder EFS want to know if I can give a copy of the efs folder OnePlus one 64 gb

Nobody can give you their EFS backup, it contains unique device-specific information that can't be shared. This is why it's ultra important to make a backup of your EFS partition.
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timmaaa said:
Nobody can give you their EFS backup, it contains unique device-specific information that can't be shared. This is why it's ultra important to make a backup of your EFS partition.
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What should he do now?
Will emei come back of he flashes with fastboot?
Thanks again

waterdaan said:
What should he do now?
Will emei come back of he flashes with fastboot?
Thanks again
Click to expand...
Click to collapse
No, the IMEI won't return simply by flashing with fastboot. There's a thread detailing how to attempt to revive a corrupt EFS partition somewhere, I'll try to find it.
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---------- Post added at 10:38 ---------- Previous post was at 10:35 ----------
Here it is:
http://forum.xda-developers.com/showthread.php?t=3021553
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timmaaa said:
No, the IMEI won't return simply by flashing with fastboot. There's a thread detailing how to attempt to revive a corrupt EFS partition somewhere, I'll try to find it.
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---------- Post added at 10:38 ---------- Previous post was at 10:35 ----------
Here it is:
http://forum.xda-developers.com/showthread.php?t=3021553
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I made a backup when I first got my opo using
http://forum.xda-developers.com/showpost.php?p=56176682&postcount=824
Question, just to make sure!
Will this backup also serve now I'm on lollipop, the backup was made on kitkat.
Thanks!!

waterdaan said:
I made a backup when I first got my opo using
http://forum.xda-developers.com/showpost.php?p=56176682&postcount=824
Question, just to make sure!
Will this backup also serve now I'm on lollipop, the backup was made on kitkat.
Thanks!!
Click to expand...
Click to collapse
It should be fine but you can make another backup just in case. I have a few EFS backups.
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Related

Help! Stuck at boot screen.

I unlocked, rooted, installed the new AOSP on my OPO and now it won't boot past the Logo and Powered by Android screen.
I can still get into the recovery, but that's about it.
I'm newish. Help please.
Did you make a nandroid backup before flashing the new ROM?
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timmaaa said:
Did you make a nandroid backup before flashing the new ROM?
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Nope. I followed a tutorial and it didn't even mention that. I can get into recovery and still see the AOSP.zip and the GAPP.zip, but don't know where to go from there.
Ok, well lesson learned I guess, always make a nandroid backup and keep it on your phone in case of emergencies like this. You can either adb push another ROM zip to your phone and flash that, or you can fastboot flash the CM11S fastboot images.
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---------- Post added at 09:55 AM ---------- Previous post was at 09:54 AM ----------
You'll find the CM11S fastboot images here:
https://cyngn.com/products/oneplusone/
Flash those, then get it booting, then make a nandroid.
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---------- Post added at 10:01 AM ---------- Previous post was at 09:55 AM ----------
Or you can follow this tutorial:
http://forum.xda-developers.com/showthread.php?t=2826541
But, stop after step 3 because step 4 will relock your bootloader.
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GMoore34 said:
I unlocked, rooted, installed the new AOSP on my OPO and now it won't boot past the Logo and Powered by Android screen.
I can still get into the recovery, but that's about it.
I'm newish. Help please.
Click to expand...
Click to collapse
I'm guessingnyou didn't the a complete wipe in twrp before installing AOSP? Because same happened to me, got stuck at boot screen. As previous person Said: download CM11S rom zip File again On Ur pc. Then boot phone into twrp recovery. Then connect to pc, and push the CM11S zip file into Ur phone using CMD. I trust u know how to do this.
Sent from my SGP512 using Tapatalk
If you have a USB OTG cable you can mount a usb storage device from the recovery and push the rom file to the internal storage of your device.
Anyways...Read twice, flash once. Do you even know what a nandroid backup is?
Probably not, the guide thread in my signature explains how to do it in detail.
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timmaaa said:
Probably not, the guide thread in my signature explains how to do it in detail.
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Thanks all!
I used fastback and flashed the stock image back and all is good. Now to figure out how I screwed it up...
Any roms really worth flashing at the moment?
GMoore34 said:
Thanks all!
I used fastback and flashed the stock image back and all is good. Now to figure out how I screwed it up...
Any roms really worth flashing at the moment?
Click to expand...
Click to collapse
All of them are worth flashing. It just depends what kind of rom you're looking for. And all of them are stable so you won't have to worry about stability.
The most popular rom? Probably Mahdi by forum post views. Mahdi is a mix of every gesture from all roms while maintaining performance. The choice is yours though.
Sent from my One using Tapatalk
GMoore34 said:
Thanks all!
I used fastback and flashed the stock image back and all is good. Now to figure out how I screwed it up...
Any roms really worth flashing at the moment?
Click to expand...
Click to collapse
They're all worth flashing. Asking which ROM is best/most stable/fastest/prettiest, or asking for a suggestion isn't allowed so we shouldn't be answering that, here's why. To say one ROM is better is to infer that the others are inferior in some way. This is disrespectful to the devs who spend their spare time bringing us these awesome ROMs free of charge. Each user has different tastes anyway, the best way to see which ROM suits you is to flash a few and find out for yourself.
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I flashed a custom rom on my oneplus one and since then i am unable to boot ,The logo comes and after that the screen keeps on blinking. I cannot even boot into recovery mode. please help.
Tahakhasam said:
I flashed a custom rom on my oneplus one and since then i am unable to boot ,The logo comes and after that the screen keeps on blinking. I cannot even boot into recovery mode. please help.
Click to expand...
Click to collapse
http://forum.xda-developers.com/one...return-opo-to-100-stock-t2826541/post54365948

[Q] Trebuchet crashing/38R update troubles

Hi guys!
Before the update, I was running 33R, with TWRP and franco kernel 22r.
The update came in, and I read franco kernel was not compatible.
Someone in the franco thread, ZephiK, posted two links.
The OTA update, and the stock kernel
I flashed those directly after each other, that worked, and after it booted (booted fine) I unlocked the device, and now
trebuchet is crashing constantly. I can't use the device now. I went back and flashed franco 23r aosp (that one does work with 38R) but that didn't fix it.
Do I have to do a factory reset, or does anyone have the golden solution?
I'd suggest a full wipe, then flashing one of the recovery flashable 33R zips from here, and then flashing the update. It's always best to go as clean as you can, otherwise problems like this occur.
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timmaaa said:
I'd suggest a full wipe, then flashing one of the recovery flashable 33R zips from here, and then flashing the update. It's always best to go as clean as you can, otherwise problems like this occur.
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So that would be like this:
fastboot update -w cm-11.0-XNPH33R-bacon-signed-fastboot.zip
No. That's a fastboot image zip. You need the recovery flashable zip from the link I posted.
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So flash cm-11.0-XNPH33R-bacon-signed.zip in TWRP?
That seems doable
Sorry for the noob questions, I'm new to android.
Thanks for helping already!
You don't have to wipe for a OTA, even if you flash it... I always wipe dalvik and cache, just in case, but never a full wipe to clean install.
If all you had was a kernel it makes no difference, I flashed it over franco's aswell and it's all good.
Try flashing the update again? You have the link on the general page of the OPO. Look in the last page of the comments to find a mediafire link -> copy to OPO -> flash via recovery.
Yep, that's the one.
Transmitted via Bacon
This will at the same time reflash the kernel to the stock kernel right?
timmaaa said:
Yep, that's the one.
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By the way, the only requirement is being on 33 before flashing 38, as it is only incremental
Tr4il said:
This will at the same time reflash the kernel to the stock kernel right?
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Click to collapse
Yes.
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---------- Post added at 02:33 AM ---------- Previous post was at 02:32 AM ----------
badjoras said:
By the way, the only requirement is being on 33 before flashing 38, as it is only incremental
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Click to collapse
Why are you telling me this? That isn't the only requirement at all. And it being incremental is irrelevant to what you need to do to make sure nothing goes wrong.
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timmaaa said:
Yes.
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---------- Post added at 02:33 AM ---------- Previous post was at 02:32 AM ----------
Why are you telling me this? That isn't the only requirement at all. And it being incremental is irrelevant to what you need to do to make sure nothing goes wrong.
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Thanks for the help, will flash after dinner and report back then!
Thanks again for helping a noob, I feel welcome here at xda
One last question, the standard wipe in TWRP is enough right?
Or do I have to do an advanced wipe? If yes, which options ticked?
Edit: Well, I whiped everything except internal storage and the USB thingy, and I am now on stock. Thanks for the help again!

No mobile data / Baseband Unknown [SOLVED]

Hi,
My mobile data no longer works. I've done a lot of research, tried every fix, to no avail. My WiFi works, it's only my mobile data.
Things I've tried:
Following this guide: http://forum.xda-developers.com/oneplus-one/help/fix-brickloop-audio-fx-fc-efs-corrupt-t2879061
Completely reverting to stock
Flashing a stock, rooted 44S + radio files
Flashing ColorOS, and then flashing CM11S using this guide: http://forum.xda-developers.com/oneplus-one/general/fix-people-corrupt-efs-mobile-data-t2836389
Sticking the SIM card in my Galaxy S3 to see if it works (spoiler: it does)
Restoring previous nandroid while data was working fine
Under ColorOS, I have a notification that says "The NV partition is invalid!". Just thought I'd mention that.
Stupid me didn't backup my EFS. No APNs, unknown IMEI, unknown baseband, etc.
I'm at a loss guys. I'd greatly appreciate your help.
Thanks,
Niko
Have you tried this?
http://forum.xda-developers.com/showthread.php?t=2970390
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timmaaa said:
Have you tried this?
http://forum.xda-developers.com/showthread.php?t=2970390
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Yup. Sadly didn't work.
You might be outta luck then, the methods you've mentioned above are the only ones that I know of that work. Let this be a lesson to anyone reading, backup your EFS. DO IT.
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timmaaa said:
You might be outta luck then, the methods you've mentioned above are the only ones that I know of that work. Let this be a lesson to anyone reading, backup your EFS. DO IT.
Transmitted via Bacon
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You think it would be worth trying to get a new sim card from my carrier?
It isn't the SIM that's the problem, your EFS partition is corrupt.
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If my EFS partition was corrupt, why does my Wifi work?
That's normal.
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I FIXED IT! This is exactly what I did.
* Flash ColorOS from this post: https://forums.oneplus.net/threads/rom-official-4-3-coloros-v-2-0-0_beta.79203/
* Download and install OTA updates for ColorOS
* Flash back TWRP
* Flash 44S (Pre-Rooted)
* Boot up phone without SIM in (at this point I checked the settings and to my joy saw that baseband wasn't unknown
* Power down, insert SIM in, reboot
NikoZBK said:
I FIXED IT! This is exactly what I did.
* Flash ColorOS from this post: https://forums.oneplus.net/threads/rom-official-4-3-coloros-v-2-0-0_beta.79203/
* Download and install OTA updates for ColorOS
* Flash back TWRP
* Flash 44S (Pre-Rooted)
* Boot up phone without SIM in (at this point I checked the settings and to my joy saw that baseband wasn't unknown
* Power down, insert SIM in, reboot
Click to expand...
Click to collapse
Hi, have the same issue. Did you flash the ColorOS thru a recovery or thru SDK Tools? and what recovery did you use to flash if you flashed with a recovery?
grneyez said:
Hi, have the same issue. Did you flash the ColorOS thru a recovery or thru SDK Tools? and what recovery did you use to flash if you flashed with a recovery?
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Click to collapse
I flashed ColorOS in fastboot mode, so through SDK tools. I manually flashed every .img. In other words, I just followed the guide in the link I gave.
NikoZBK said:
I flashed ColorOS in fastboot mode, so through SDK tools. I manually flashed every .img. In other words, I just followed the guide in the link I gave.
Click to expand...
Click to collapse
I gonna give it a shot, see what happens. I'm not so good in with SDK tools.
grneyez said:
I gonna give it a shot, see what happens. I'm not so good in with SDK tools.
Click to expand...
Click to collapse
Please post back how it goes.
NikoZBK said:
Please post back how it goes.
Click to expand...
Click to collapse
I will thanks.
NikoZBK said:
Please post back how it goes.
Click to expand...
Click to collapse
Worked like a charm, thanks so much for your help.
timmaaa said:
You might be outta luck then, the methods you've mentioned above are the only ones that I know of that work. Let this be a lesson to anyone reading, backup your EFS. DO IT.
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Sorry, bit of a noob here!
What is the EFS and how would I go about backing it up? I don't see any option for that in TWRP?
Rkr87 said:
Sorry, bit of a noob here!
What is the EFS and how would I go about backing it up? I don't see any option for that in TWRP?
Click to expand...
Click to collapse
Go to my guide thread here:
http://forum.xda-developers.com/showthread.php?t=2839471
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NikoZBK said:
I FIXED IT! This is exactly what I did.
* Flash 44S (Pre-Rooted)
Click to expand...
Click to collapse
Could I ask you what 44S is? I get the feeling my issue with my phone might be the same as yours. You also did this for a Chinese OPO?
DGX_Goggles said:
Could I ask you what 44S is? I get the feeling my issue with my phone might be the same as yours. You also did this for a Chinese OPO?
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Click to collapse
44S is short for XNPH44S, which is the latest build of CM11S (the stock firmware) for this phone.
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DGX_Goggles said:
Could I ask you what 44S is? I get the feeling my issue with my phone might be the same as yours. You also did this for a Chinese OPO?
Click to expand...
Click to collapse
No, I did this for the global version, but the steps should work for you as well.

[Q] How do i go back to O5Q?

So i am now at CM12, I need to go back to O5Q , When i tried to flash thru a zip i found it was stuck at booting!.
Researched a bit and found that i cannot do it like that i need to flash the fast-boot images of the other build.
But my question is , Is there anyway i can do it without losing My Pictures and Songs?
Last time i lost them and it was a big pain in ass!!
So my question any way i can get to stock without losing internal storage?
Thanks guy's....!
Mohdsultan said:
So i am now at CM12, I need to go back to O5Q , When i tried to flash thru a zip i found it was stuck at booting!.
Researched a bit and found that i cannot do it like that i need to flash the fast-boot images of the other build.
But my question is , Is there anyway i can do it without losing My Pictures and Songs?
Last time i lost them and it was a big pain in ass!!
So my question any way i can get to stock without losing internal storage?
Thanks guy's....!
Click to expand...
Click to collapse
Go to my guide thread:
http://forum.xda-developers.com/showthread.php?t=2839471
Follow the instructions in section 8, just don't flash the userdata image and it won't touch your internal storage.
Transmitted via Bacon
timmaaa said:
Go to my guide thread:
http://forum.xda-developers.com/showthread.php?t=2839471
Follow the instructions in section 8, just don't flash the userdata image and it won't touch your internal storage.
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Click to expand...
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Bro should I also flash the frimware for cm11?
I am confused!!!
Mohdsultan said:
Bro should I also flash the frimware for cm11?
I am confused!!!
Click to expand...
Click to collapse
You don't need to when flashing the stock images, it's all contained in those.
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timmaaa said:
You don't need to when flashing the stock images, it's all contained in those.
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Click to collapse
Ok brother doing it lets hope everything is fine .
timmaaa said:
You don't need to when flashing the stock images, it's all contained in those.
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How do i re-root it?
It is working but i need to root as i need my old apps.
Mohdsultan said:
How do i re-root it?
It is working but i need to root as i need my old apps.
Click to expand...
Click to collapse
The same way you root any ROM, flash SuperSU.
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[Q] Corrupt / Unknown IMEI/Baseband - No Backup

Okay, so after flashing I didn't have wifi, data connection etc.
I found out my IMEI / BASEBAND were Unknown
I tried everything I could find on the forums then came to the solution I probably lost the EFS partitions
Is there anything I can do to fix / repair it manually, without sending the device away a few weeks for repair?
Pretty sure this is your only hope:
http://forum.xda-developers.com/oneplus-one/help/fix-brickloop-audio-fx-fc-efs-corrupt-t2879061
Didn't you backup your EFS partition?
Transmitted via Bacon
timmaaa said:
Pretty sure this is your only hope:
http://forum.xda-developers.com/oneplus-one/help/fix-brickloop-audio-fx-fc-efs-corrupt-t2879061
Didn't you backup your EFS partition?
Transmitted via Bacon
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I'd never heard of it before
I know the basics of flashing etc that's it.
The only backup I had(Not sure if efs is backed up with this as well, but it was a TWRP backup) gave errrors when trying to restore it so I did a full wipe and ended up in this position
PrivateerGerrit said:
I'd never heard of it before [emoji14]
I know the basics of flashing etc that's it.
The only backup I had(Not sure if efs is backed up with this as well, but it was a TWRP backup) gave errrors when trying to restore it so I did a full wipe and ended up in this position
Click to expand...
Click to collapse
TWRP doesn't backup your EFS partition. You'll need to try the fix I linked you to.
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timmaaa said:
TWRP doesn't backup your EFS partition. You'll need to try the fix I linked you to.
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Click to expand...
Click to collapse
Tried but no success
I'll await customer support I guess
Just in case(The thread is kinda messy IMO) these are my steps I did:
-fastboot erase persist
-fastboot flash persist persist.img
Didn't fix it.
Also tried the full package provided, installing it and then doing the same steps as above.
Since that didn't work either I tried these commands as well(with no success)
-fastboot erase modemst1
-fastboot erase modemst2
Edit:
I'm suprised there isn't a way to fake it or something?(The IMEI)
I know it's possible for MTK phones, why not for this one.
Or some sort of solution since I still know my IMEI I should be able to recreate those partitions I'd guess
My friend had the same situation wherein the EFS was corrupted.
He flashed the Stock ROM CM11S and it solved the issue. (05Q)
Not sure, if this works for you.

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