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[WARNING][You MUST Reset Google Wallet When Switching ROMs!]

OP siraltus

17th February 2013, 05:49 PM   |  #1  
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If you're doing a factory reset, switching to another ROM, or restoring to stock and you're currently using Google Wallet, you MUST reset your Google Wallet app by going into Settings --> Reset Google Wallet in the Wallet app, or you will permanently lock out your secure element and will never be able to use Google Wallet again - you will have to get a new phone!

This is because your Google Wallet app is married to the secure element with a unique crypto key when you first set up Google Wallet on your phone and if you wipe your phone without first resetting Google Wallet, that key will be lost forever, rendering the secure element useless.

Performing a Google Wallet reset will unmarry the app from the secure element and reset it to its original state so that it can accept a new Google Wallet installation when you wipe your phone and then restore it to stock.

I had to get a new Note 2 because of this, thankfully I had phone insurance. If mods could sticky this, it would be great!

Google "secure element has stopped responding" if you don't believe me.

Engadget article explaining the problem: http://www.engadget.com/2012/05/29/g...reset-problem/

Android Community article on the issue: http://androidcommunity.com/more-goo...vice-20120529/

Phandroid article explaining the problem: http://phandroid.com/2012/05/28/andr...ak-it-forever/

AndroidCentral: http://forums.androidcentral.com/htc...sensitive.html

A PSA thread on XDA warning of the issue: http://forum.xda-developers.com/show...php?p=26587822

Another XDA thread where Google and the Money Network both say you need a new phone if this happens: http://forum.xda-developers.com/show....php?t=1472117

Yet another XDA thread where someone bricked their phone: http://forum.xda-developers.com/show....php?t=1721222

For the naysayers, just because you've never seen something happen, doesn't mean it's not true or it will never happen to you. I just bricked my Note 2 and had to get it replaced under phone insurance. Went from the NoWiz ROM to MA7 stock rooted, wiped the phone in the process (my guess is Wallet stores the crypto key in /.android.secure, which gets wiped when you do a factory reset), installed Wallet on the clean MA7 ROM and got the dreaded "The secure element has stopped responding E00" error. NOTHING could make it reset. At all.

Also, to those who say Wallet stores things in the cloud now - false. Wallet stores its very own virtual card number in the secure element, which is what gets transmitted via NFC when you touch your phone to the reader. That number is then linked in the cloud to your actual credit cards, so your actual card numbers are not transmitted to the retailer. If Wallet stored nothing on the phone, it simply wouldn't work, period. Also, if Wallet stored nothing in the secure element, then it would work without it and not throw the "secure element not responding" errors, so it definitely stores something there, which is why it's important you don't brick it!
Last edited by siraltus; 19th February 2013 at 02:40 PM.
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17th February 2013, 06:55 PM   |  #2  
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Re: [WARNING][You MUST Reset Google Wallet When Switching ROMs!]
We don't know what kills secure element yet.

Sometimes it dies even when you do reset.

Sometimes it dies for no reason at all overnight by itself when you made no change at all.

And usually it doesn't die even when you do flash and/or factory reset without clearing first.

Nice sounding theory but doesn't fit the facts.

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17th February 2013, 07:00 PM   |  #3  
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Re: [WARNING][You MUST Reset Google Wallet When Switching ROMs!]
Its stored on the clould. Each phone gets issued a virtual card number and that info isnt stored in the secured element anymore

http://googlecommerce.blogspot.com/2...card-with.html

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17th February 2013, 07:01 PM   |  #4  
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Quote:
Originally Posted by KEYofR

We don't know what kills secure element yet.

Sometimes it dies even when you do reset.

Sometimes it dies for no reason at all overnight by itself when you made no change at all.

And usually it doesn't die even when you do flash and/or factory reset without clearing first.

Nice sounding theory but doesn't fit the facts.

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Yeah, I agree. I'd like some type of proof that this is indeed a fact.
I've never had a single issue on either my gs3 or my gn2 flashing or upgrading firmware and being able to use google wallet. Even with the gn2 and Wallet not being "officially" supported. I have a hard time believing any of this is true...it certainly hasn't been in my case. I'll toss my Nexus 7 in there as well. Flashed plenty roms and upgraded firmware...no issues whatsoever.
17th February 2013, 08:36 PM   |  #5  
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Re: [WARNING][You MUST Reset Google Wallet When Switching ROMs!]
I agree with the original poster the fact that he received a new phone and now his Google Wallet works is not proof enough? What kind of evidence do you need. My google will never work on my phone no matter what Rom I use. I am convinced I need a new phone to get Google Wallet working on your phone. If you are a nay-sayer why don't you wipe your phone to disprove his theory and then try to see if your Google Wallet works.

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17th February 2013, 08:56 PM   |  #6  
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Re: [WARNING][You MUST Reset Google Wallet When Switching ROMs!]
Quote:
Originally Posted by jamice4u

I agree with the original poster the fact that he received a new phone and now his Google Wallet works is not proof enough? What kind of evidence do you need. My google will never work on my phone no matter what Rom I use. I am convinced I need a new phone to get Google Wallet working on your phone. If you are a nay-sayer why don't you wipe your phone to disprove his theory and then try to see if your Google Wallet works.

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What error do you get when launching it? Since google starting storing the info on the cloud instead of the secure element I have wiped 100s of times on my Evo lte and now Note 2. I did it on the Ma5 update and Ma7. When I was on ljc and lk8 I used Vipers tool and I just wiped in recovery and flashed a different rom with no issues. Only thing it says is unsupported device but that can be fixed by disabling super user or hiding root during set up but that still has no effect on the app.

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17th February 2013, 09:07 PM   |  #7  
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Re: [WARNING][You MUST Reset Google Wallet When Switching ROMs!]
Quote:
Originally Posted by jamice4u

I agree with the original poster the fact that he received a new phone and now his Google Wallet works is not proof enough? What kind of evidence do you need. My google will never work on my phone no matter what Rom I use. I am convinced I need a new phone to get Google Wallet working on your phone. If you are a nay-sayer why don't you wipe your phone to disprove his theory and then try to see if your Google Wallet works.

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I have wiped my phone maybe 10 - 15 times since I first got Google Wallet working on MA5 and NEVER once reset wallet before wiping my phone.

No problem with secure element here.

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17th February 2013, 09:53 PM   |  #8  
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Re: [WARNING][You MUST Reset Google Wallet When Switching ROMs!]
Quote:
Originally Posted by jamice4u

I agree with the original poster the fact that he received a new phone and now his Google Wallet works is not proof enough? What kind of evidence do you need. My google will never work on my phone no matter what Rom I use. I am convinced I need a new phone to get Google Wallet working on your phone. If you are a nay-sayer why don't you wipe your phone to disprove his theory and then try to see if your Google Wallet works.

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I have wiped my phone without clearing wallet a bunch of times dumbass. That's what I said. It still works fine.

And as I also said, the inverse also happens. People have lost their secure element when they didn't flash anything or do anything. How would clearing wallet have helped them since they weren't even flashing anything? Should they clear wallet every night before bed and setup again every morning?

My wallet and yours and anyone's may break any time no matter what we do or don't do.

No one knows what the cause is yet. The prevailing theory is completely disproven by facts.

Repeating random unproven ideas is not helping anyone. Learning how to debug would help people.

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17th February 2013, 09:58 PM   |  #9  
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Re: [WARNING][You MUST Reset Google Wallet When Switching ROMs!]
I never had any problems with my Google wallet when going to different roms just make a back up with tb and send your back up with data to your dropbox so when your on a different rom you can just download your google wallet from dropbox and install with no problems

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17th February 2013, 11:08 PM   |  #10  
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It hasn't happened to me, so I'm mainly just wondering out of curiosity:

If someone forgot to wipe their device and this happened to them, would a nandroid backup "fix" the problem; would they be able to flash their backup, then reset Google wallet, then then go to the new device?

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