Since the release of the new Android version, has anyone had any success with decrypting the contents of a Micro SD card without the use of the phone?  I want to encrypt my card incase I lose the phone. However, I also don't want to be in a situation where something could happen and I am left with no way to retrieve contents from the SD card.
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Using the SD card as Adopted Storage encrypts it. How can it be decrypted?
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The  app can be obtained . For people with Android devices that don't have Google Play access, is there another way of getting the app? For example, other app stores or a direct download of the .APK file.
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I updated the 2016 firmware on my Lenovo P2 to Android 7 (I think my carrier decided that their own app was more important than security updates).  Now that I wanted to put the TWRP recovery onto the phone instead of the stock one, I find out that the phone is encrypted, which it wasn't before. I have not asked for it (it appears Google does this by default now for Android 7) and I have never entered a password explicitly for encryption.  However, TWRP asks for a password for decryption purposes, I believe.  I use fingerprint/PIN as screen lock.  and others suggest it should be the PIN, however while that works fine for a normal startup of the phone, that doesn't work in TWRP.  How would I find or set the right password to use (doubting there is a default password!)?
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As those of you who use WhatsApp Messenger probably know, with their recent update chats and calls are now encrypted. Here's what WhatsApp claims:     Messages you send to this chat and calls are now secured with   end-to-end encryption, which means WhatsApp and third parties can't   read or listen to them.   Now let's put aside how WhatsApp is honest but what they claim is a technological feature. Is it really not possible for them to read or listen to our messages? If that's a lie, then  don't they risk that some guys like you might say "Hey, what the hell are you talking about? Why do you lie?". So my question is, if they are the ones who encrypt this, then why can't they also decrypt it?
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As the question title implies, if I root my Droid Incredible (or any Android phone), will I lose all of my data? I'm not interested in installing a custom ROM right now so will rooting cause me to lose my data? Also, which tool should I use to root the phone?  Edit #1: Based on a suggestion, I rooted my Incredible using Unrevoked, and I didn't lose any information.
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After upgrade of any app - apps move back from SD Card to phone memory.  After that, to save phone memory, I have to move upgraded app back to SD card.   Is any possibility to avoid this because it is very annoying?  I have Android 5.0.2 on Motorola E second gen phone.
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After the phone restarts, there is a LOST.DIR folder created on the external SD card. Is it possible not to create this folder if nothing is lost?
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Is it safe to use the hash of the data as the key to encrypt them?  That is, if I give one some encrypted data and tell them that the key that was used to encrypt them was the hash digest of the data before encrypting, will it be easier for them to decrypt them?  Edit as I can not reply to comments: The recipient will have the keys, that is no problem.
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I would like to know whether there is a way to tell Android to install applications on the micro SD card by default instead of having to download applications to internal memory first and then having to move them to the SD card manually.  Thanks
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I want to encrypt a USB stick, and be able to decrypt it on Windows as well as Ubuntu. How do I do this &amp; what programs do I need to use?
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Does the  file format use a serious encryption (such as )?  Will it take unfeasibly long to brute force a password?  If not, what tools do you suggest that do so automatically?
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I want to find a way to restore my phone in case the process of rooting my phone or dual booting a custom rom breaks it. However, most of the ones I've looked at require the phone to be rooted before installing. I know I can create a nandroid backup through system settings, but I don't know how to recover that without rooting my device, or if there are better options. I'm not terribly concerned for any personal data on my phone (I can backup my pictures pretty easily), but I mostly just want to be able reinstall Android OS or reset to factory default in case my device breaks. Thanks! Edit: I am going to ask a new question (one different enough to justify not simply modifying this one) with the new info I learned from the possible duplicate.
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I have a Sony Xperia Z with version 4.1.2 running.  My question is about removing all of the Google baggage from the phone.  I have no Google account tied to my phone and would really like to get rid of all traces of Google from my phone for a few reasons:   Battery performance: Google services ranks in the top 3 of what uses up my battery Privacy: I try to minimize what Google siphons from my phone with the exception of Google maps Less Dependency: I don't want to be dependent on one company for all my needs.   So are there any Android versions out there that are minimalistic and do not invade your privacy?
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I have looked around and found no information on how Android manages to store passwords on the device. Especially Gmail passwords. I'm looking to learn how Android encrypts and stores passwords ? What key does it use and where is this key stored, and what encryption algorithm it uses.
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I just deleted a file on my Nexus S that I really need back. (It was actually part of an app using a sqlite database that did a drop table when upgrading to a new version.)  Presumably I need to root the phone first (which I hear is easy on Nexus phones) but am I in a catch-22 here? Namely, does rooting the phone mean wiping/overwriting the partition where the data lives?  If not, what do you recommend for data recovery tools? Presumably the file was just unlinked and not actively overwritten (per usual when "deleting" a file) so technically the data must be there...
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I understand that unlocking the bootloader will wipe my Android phone, but have been looking around for why.  Seems to be by design, but what is the reasoning for that design?  Is it some security concern, some obscure technical reason, or just for lulz?  I'm looking for something solid to chew on here, something more than because "that's how it is".
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Yesterday I upgraded my Samsung Galaxy S4 to Android 4.4 KitKat and had the bad surprise that it cannot write to my SD card anymore... I know this problem is widely documented everywhere, but has any workaround been found for it yet? (Other than removing the card physically from the phone and opening it on my PC) Also, because of the KNOX flag I can't downgrade to 4.3...  (PS: Rooted or not, it makes no difference)