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When you initially set up two-factor authentication you should have been given a set of 10 single-use passwords and told to store them somewhere safely for use if the authenticator on your phone was unavailable. Alternatively if you don't want to use one of them, log into your Google account before the reset and turn on SMS message authentication for ...


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Same here, I've used Titanium backup to transfer my authenticator settings across 3 devices for multiple accounts and it has worked flawlessly. I only backed up the app's data though - usually install the authenticator app from the play store then restore the data using TiBu. So you could possibly explore the app's data path and backup those files.


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I use titanium backup a lot for when i switch roms (which is almost every week at the moment), and it works flawlessly with restoring the Google Authenticator. Never really looked into any other options though.


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Short answer: no. Long answer: Nexus factory images, as so kindly implied by their name, are complete snapshots of the software installed on a Nexus device prior to leaving the factory. Due to the device-specific nature of Android, e.g. it needs specific drivers for it to run on any one given device, it is generally impossible (or illogical, as it seems) ...


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If you cannot access the main UI, but the system powers up, boot in to recovery. Try and find out what your recovery keys are (e.g. it's usually vol+, vol- and power on Samsung phones) online or by reading your device's manual, then holding them as your device boots. Once in recovery, use the volume keys to select an option and power to use that tool, ...


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You can download and flash a factory image from here: https://developers.google.com/android/nexus/images#razorktu84p it also includes instructions at the top on how to do it. This will restore it completely to stock.


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As aureljared already pointed out, a factory-rest wipes the /data permission, so you cannot simply "exclude" and app and its data from being "removed". However, you can backup it beforehand, and restore it afterwards. Easiest way (not requiring root) is utilizing adb backup for this. It will require the ADB tools installed on your computer1, and ...


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Preserving the application itself (APK) can be easily achieved (with root access) by dropping the .apk in /system/app, but the configurations are a bit trickier to keep. Factory resets generally do a wipe of /data, which also contains all the configs/gamesaves/etc that all apps installed have, so you might have to use a seperate backup app (I recommend ...


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Neither of these answers worked for me when this happened to my friends phone. USB debugging was never turned on because she had no need for it. The screen however was completely busted after being dropped face down on the sidewalk. The only way that I could find to clear her data was to connect the Galaxy Note 2 to my Ubuntu box and delete all the ...



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