General :: How To Decrypt Encrypted Tablet
Apr 14, 2012
I purchased an Acer Iconia A200. It took the system upgrade to Ice Cream Sandwich without any problems. After upgrading, I chose to apply the "Encrypt Tablet" feature -- and now I regret that choice. The tablet won't take any more system updates, and apparently it can't ever successfully follow through on a factory reset.
Any way to decrypt an encrypted Ice Cream Sandwich tablet -- or at least if there's a way to factory reset it successfully?
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Apr 22, 2013
I recently encrypted my phone(Xperia Z) without SD card in it. Now I have added a 64gb Sandisk card to my phone. Its working fine. My question is, will the sd card also be encrypted? How do I make sure that my sd card is also encrypted?
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May 2, 2012
I encrypted my Samsung Galaxy Nexus several months ago and now I want to decrypt the drive and wipe the information. Nothing I have tried has worked so far.
The option to perform a factory reset through the OS has not worked. I make the selection, enter in my passphrase, the phone reboots into the green robot screen (like it was updating) then when it boots back up it asks me to enter in the encryption passphrase again and I do then it takes me to my un-wiped phone.
I have also attempted to reset it with the ClockworkMod Recovery and it will not work either. Giving an "Error mounting data!" message and similar message for the rest
I have my Nexus unlocked and rooted but it is running stock other than those two.
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Nov 6, 2011
I have a couple of videos, that I would like to strip the audio from, and was planning to use FLAC, and/or similar lossless codec; but before I do this, what codecs can Andriod decrypt? According to Android Central, it can decode FLAC, but only in Android 4.0 and higher, and I'm currently on Android 2.3.4 on a HTC Amaze 4G...
Is there any software I could get, in order for it to decode/decrypt FLAC correctly?
I don't mind using any other lossless audio codec, as long as Android 2.3.4 supports it...
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Aug 14, 2012
From the online articles and the encryption description i was left with the impression that i will need to enter the password only on boot.Well appears that once encrypted the only active unlock options become, face unlock, pin and password.All take too long for my daily use, and since you don't have to use the encryption password for unlocking (the phone is decrypted on boot) but other options like face unlock, why we can't unlock with the normal slider screen or at least pattern unlock?Is there a way to go around it and enable the slider unlock on an encrypted phone?
i know that decreases the security, but knowing that if i lose my phone, chances are the battery will die, and they will need to decrypt it then...
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Nov 16, 2013
I'm unable to wipe my encrypted device using TWRP. I'm running Android Revolution HD 22.0 on an HTC One. I had encrypted my device. Now whenever I try to use TWRP to wipe (so that I can upgrade Android Revolution), it fails:
=====TWRP=====
TWRP v2.6.0.1
Wipe > Factory Reset, Wipes Data, Cache, and Dalvik (not including internal storage)
Code:
Failed
E: Unable to mount '/data'
E: Unable to mount internal storage
E: Unable to mount /data/media during GUI startup
E: Unable to mount /data/media/TWRP/.twrps when
E: Unable to mount '/data'
Formatting cache using mke2fs...
================
How do I wipe without bricking my device?
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Apr 6, 2014
Can TWRP backup encrypted phones? Because since it has been encrypted, it is failing. I'd like to make a backup before I try installing a new ROM.
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Apr 7, 2014
how the android OS is built and what goes on behind the scene. Most of my experience comes from Linux and programming in Python.
Now to my question, I have written a program in Python that I am currently running on my Linux devices to unpack encrypted (AES256) 7-zip files. I would like to be able to run this program on my Android devices as well. I need a third party application to unpack the 7-zip files on android in a command line like environment. The program needs to run in the background, no user interaction at all.
On my Linux devices I simply have 7-zip installed and then run a os.system("7zip command") to unpack my files.
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Dec 16, 2013
I have a Galaxy SII i777 4.1.2, rooted. Things were going ok after the factory reset, but I noticed that the battery was taking forever to charge and was draining extremely fast. I don't know if the fact that the telephone was running my data manager, data usage defender, battery doctor, watchdog and memory booster for one day has anything to do with this (although the battery drainage and high consumption of data was before I installed those apps and it was the reason why I did installed them this time). But today (hours after I uninstalled battery doctor, data usage defender and memory booster) the battery got quickly drained and the phone seemed dead (it didn't want to turn on and i couldn't see the icon indicating it was charging when connected). So, I inserted my sister's battery, took it out, and put my battery again. This time the phone turned on, BUT I see a message saying "enter password to use encrypted device storage." I only use four passwords for all my accounts but none of them work. I have tried different wrong passwords (as recommended) like 30 times, and nothing happens. I read somewhere that I could start ODIN, which I'm not knowledgeable of. But I don't know what to do. I pressed the power button and the volume keys, and all is showing is a green man icon and a "Downloading" message. It's been like an hour already and it keeps "downloading."
I don't remember having encrypted my phone. And if I did, I could have only used one of my four passwords.
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Jan 20, 2014
I recently had a problem with my LG Spectrum that required a hard reset to restart the OS. I wasn't aware the photos were being encrypted. When the reset was done the phone required I enter a passcode. I entered every known passcode I have and still could not get the phone to recognize the photos on the microSD card. Is there a work around for this process? I have over a years worth of pictures on the microSD card. The LG Spectrum model is a VS920.
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Apr 2, 2014
I have a Rooted Pantech Discover P9090 with ClockworkMod 6.0.2.8 recovery from Here. After which I proceeded to test out the phones "secure" (encryption) features. Now that the phone is encrypted, however, I cannot remove the encryption because I can not perform a factory reset. When attempting a factory reset from within the UI the phones attempts to reset as normal but at the point where the phone turns off and comes back with the android screen and a loading bar at the bottom the phone restarts. Doing a factory reset from the recovery fails do to not being able to load /data, /system /sdcard. Is there anything else I can try/do?
Other info:
Android Version 4.0.4
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Nov 18, 2012
I'm trying out encryption, and have just encrypted the external SD card for now.My goal is to encrypt both the external and internal cards.
But to my surprise, I've noticed that the external card is accessible (I can read its contents) from recovery (CWM) without having to type any password...
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Oct 14, 2012
I installed 4.1.1 on a MB525 (Defy) according to the honorable post in <http:[url]....
One thing I am missing is: Configuration options for the IMAP account are not as fine granular as in the stock Motorola. Especially I can't configure to an IMAP server supporting the following:
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE STARTTLS AUTH=PLAIN AUTH=DIGEST-MD5 AUTH=CRAM-MD5] Dovecot ready.
Means: IMAP with STARTTLS and encrypted (MD5) password
What is supported by the 4.1.1: None, SSL/TLS, SSL/TLS (all certs accepted), STARTTLS, STARTTLS (all certs accepted).What I would need is STARTTLS with password encryption md5 (automatically detected or fixed configurable).
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Dec 31, 2013
I have a Nexus 7 tablet and every few days I notice a few new apps on the device. I'm not sure if they're full apps or just simply icons to download apps or get more information. I have tried to avoid using them. I know previously I had a couple apps that were sending notifications to the notification system that I considered to be spam. After some research I found out how you can find out which apps are doing it and disable notifications from those apps so that took care of that.
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Jul 22, 2013
i have a chinese tablet (Teclast P98HD A2Q6) with some very good specs it has 4.1.1 but it's laggy there's another tablet called (PIPO M6) with the same processor and display & it has 4.2.2 with the latest SDK for the chip.can i upgrade my tablet with PIPO's firmware ?
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Mar 25, 2009
I want to write an app which encrypts the data and decrypts it into original data.
But I dont know how to do it.
can any one please guide me how to do it.
if possible please show me some example.
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Jun 30, 2010
I am working on an android application, and I need to use encryption for one aspect of it. I am really indifferent to which algorithm I use (AES, DES, RSA, etc...). I am aware that Java has a crypto package, but I am not at all familiar with. Can someone post an example on how to do an encrypt/decrypt function?
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Jan 20, 2010
I want to know if I can create an application in android that encrypts your voice in a normal phone call and sends it to the destination where it can then be decrypted.
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Jul 18, 2010
Is there some code snippet that show how to encrypt a password with Android and then decrypt it with php?
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Nov 24, 2010
I want to encrypt file and store it in SD card. I want to decrypt that encrypted file and store it in sd card again. I have tried to encrypt file by opening as file stream and encrypt is but it is not working. I want some idea how to do this.
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Dec 1, 2009
Is it possible in android framework to encrypt/decrypt voice data? What I am thinking is when a call comes in, and before user picks it up another local application is activated, it then encrypts and decrypts outgoing/incoming voice data?
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Mar 11, 2010
Does anyone know how to decrypt a stored google password on an HTC Hero?
My bro forgot his google password. The secondary email is completely defunct. The security question is completely incomprehensible. He even filled out the form to convince google that he is who he says he is... no dice.
The ONLY place the password is stored is his HTC Hero, as a saved gmail password.
My question is... is there a way to export, decrypt, or recover his gmail password on his Hero?
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May 7, 2010
What is the secure way to store passwords on android device?
I found same topic in "Android Developers Group". Steve918 kindly shared a sample code for it but I can not download it anymore. http://steven.bitsetters.com/articles/2007/11/20/android-password-safe/
Does anybody know how to encrypt/decrypt password using Android supporting secure algorithm?
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Jul 5, 2010
Like the motorola milestone does?
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Apr 14, 2010
I need to be able to play an encrypted file in Android. The file is AAC. The only way I can see to do this is either: decrypt the file to internal private storage and point the player at that file to play, or decrypt & decode the file to pcm and feed it to an AudioTrack. 1 isn't great because it takes a long time to do that. 2 isn't great either because I don't know how I can take advantage of the HW decoder to do this.
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Oct 1, 2010
The current method uses AES encrypted files.
The goal is to exchange small amounts of private data using AES encrypted QR-codes.
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Jul 1, 2010
I've updated this OP to make it easier for new comers to find some of the most important posts as well as a few important outside links that inform this thread. It is my personal feeling that if you are reading these forums, and considering buying ANY Android phone, this thread is a very important one to read. It is far better to be informed than to realize after you buy a product that it wasn't what you expected (I almost made this mistake). The main purpose of this thread is to discuss what a signed (encrypted) boot loader is, what the implications of having a signed boot loader are, whether or not the Droid X may have one, why you may care, what you may be able to do about it if you do care, etc, etc. This thread is filled with a lot of long posts (including this one), so prepare yourself for that. Not all of them have tons of merit (mine included) so keep that in mind. Below are some of the most informative posts you'll find in this thread. That said, I highly suggest further reading: there are many great ones that I haven't linked to here.
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Jul 31, 2010
For those of us Palm fans who have been searching for an application for notes/memo pad that can sync easily to the phone and laptop, the best one I have found so far is B-Folders. I have created notes on my laptop, edited them, deleted etc., then sync through WiFi to my HTC Hero easily. All notes are synced exactly, no duplicates, no weird stuff going on - and if I delete a note on my laptop, then it is deleted on my phone. It is phenomenal except that you can't yet sync using your cable (i.e. you always need Internet access to sync your phones). So this morning, Saturday 31 July, about 8.45 am, I emailed the company who makes it (Welcome to JointLogic!) and asked them when would we be able to sync with a cable i.e. direct to the computer without using internet. Less than 15 minutes later I got a response (remember, this is a Saturday morning): which was:
We are working on USB sync and we aim to make it available before the end of August. Until then you will be able to sync when there is a network connection. You can safely use public WiFi hot-sopts because the sync data is encrypted. How is that for great customer service. the app on your phone is free, but if you want it on your computer and to be able to sync, it will be around $29.99 but in my eyes, well worth it. There's nothing else out there like this as far as I can tell.
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Apr 26, 2010
Friends are setting up a wireless router @ work. we all pitch in some cash to pay for the monthly fee. They want to keep it secure. If the router is broadcasting publicly, my eris sees it and will connect. As soon as it gets encrypted, or password protected, I drop signal and my phone doesn't "see" it. I've entered my mac address into the router in hopes that it will broadcast to me. Can't see it.
It won't even show as a "locked" or "secure" WiFi connection. I've set up the wireless preferences according to network ssid and correct password. No success. Is there something screwy with the eris WiFi system? Anyone else run into this problem? Why is it that I can use WiFi if it's an open, broadcasting signal, but can't use or see it when it's a password protected and privately broadcasting signal? Doesn't make sense to me. Is there an app for this?
thanks for the help!
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Jun 7, 2010
I was wondering how to break apart .apk files in Windows to see all of it's components, edit some of the components, and put the file back together.
I have been able to open up the file to see the components using WinZip but I am unsure of how to re-"make" the .apk file again using WinZip. Is there a special option within winzip or can you just change the extension from .zip to .apk? Not sure if this matters, but the .apk files are being used within Eclipse in an emulator as of now.
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