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[Q] I want to install a CM11 Nightly, but the flash always fails.

3rd September 2014, 05:21 AM |#1  
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I have flashed ROMs a few times before on a couple different devices, but I have a couple questions.

1. When I try to flash a OnePlus One CM11 Nightly through TWRP, it always says "Failed". Is there some simple thing that I am forgetting to do?

2. Will it erase anything that is currently on my phone by flashing a nightly? (I don't care if I have to re-root, but I don't want it to erase anything)

Thanks!
 
 
3rd September 2014, 08:00 AM |#2  
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Quote:
Originally Posted by ecrab1

I have flashed ROMs a few times before on a couple different devices, but I have a couple questions.

1. When I try to flash a OnePlus One CM11 Nightly through TWRP, it always says "Failed". Is there some simple thing that I am forgetting to do?

2. Will it erase anything that is currently on my phone by flashing a nightly? (I don't care if I have to re-root, but I don't want it to erase anything)

Thanks!

It won't erase anything from your virtual sd card. Of course you should wipe system/data/cache/dalvik cache when installing a ROM. Did you check the md5 of the ROM zip after downloading it? What's the full filename of the ROM zip?

Transmitted via Bacon
3rd September 2014, 08:31 AM |#3  
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Quote:
Originally Posted by timmaaa

It won't erase anything from your virtual sd card. Of course you should wipe system/data/cache/dalvik cache when installing a ROM. Did you check the md5 of the ROM zip after downloading it? What's the full filename of the ROM zip?

Transmitted via Bacon

Have you unlocked the bootloader?
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3rd September 2014, 02:01 PM |#4  
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Yup!

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3rd September 2014, 02:05 PM |#5  
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How to see if i have a locked bootloader?
3rd September 2014, 02:21 PM |#6  
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Okay, thanks. And what is the point of wiping the system/data if it is essentially the same ROM?

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4th September 2014, 12:32 AM |#7  
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Quote:
Originally Posted by Enea307

How to see if i have a locked bootloader?

Code:
fastboot oem device-info
But wouldn't you be aware if you unlocked it?

Quote:
Originally Posted by ecrab1

Okay, thanks. And what is the point of wiping the system/data if it is essentially the same ROM?

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Because it isn't the same ROM. CM11S and CM11 are similar but not identical.

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4th September 2014, 05:21 AM |#8  
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Quote:
Originally Posted by ecrab1

I have flashed ROMs a few times before on a couple different devices, but I have a couple questions.

1. When I try to flash a OnePlus One CM11 Nightly through TWRP, it always says "Failed". Is there some simple thing that I am forgetting to do?

2. Will it erase anything that is currently on my phone by flashing a nightly? (I don't care if I have to re-root, but I don't want it to erase anything)

Thanks!

If you don't wipe your device it will fail on installing the zip. I am using TWRP and it failed no matter what unless I wiped first. You do not have to wipe you "sdcard" but you will lose your apps. I tried doing a data restore through TWRP and no matter what it would just hang on boot after. I ended up doing a backup through titanium backup and then restored after and it brought pretty much everything over including game data.

There might be a way around this in CWM, but I can say with some confidence there is not using TWRP. It's kind of a bad idea not to do a wipe before flashing a different rom anyways.
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5th September 2014, 12:44 AM |#9  
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Quote:
Originally Posted by inaudible101

If you don't wipe your device it will fail on installing the zip. I am using TWRP and it failed no matter what unless I wiped first. You do not have to wipe you "sdcard" but you will lose your apps. I tried doing a data restore through TWRP and no matter what it would just hang on boot after. I ended up doing a backup through titanium backup and then restored after and it brought pretty much everything over including game data.

There might be a way around this in CWM, but I can say with some confidence there is not using TWRP. It's kind of a bad idea not to do a wipe before flashing a different rom anyways.

Well, I may try with Titanium later. Thank you!!
5th September 2014, 12:59 AM |#10  
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Quote:
Originally Posted by timmaaa

Code:
fastboot oem device-info
But wouldn't you be aware if you unlocked it?



Because it isn't the same ROM. CM11S and CM11 are similar but not identical.

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He may not know if he was successful in unlocking it.

And that makes sense about them being different. I just wish there was a way around it. They are more similar than the next OTA probably.
I wish I could just do a NANDROID backup and try it, but oh well.
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