Encryption is the process of transforming information to make it unreadable to anyone except those possessing special knowledge.

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3answers
14k views

Remove password from Galaxy Tab4

My wife set password to her tablet and asks me to remove it. I opened settings -> security -> device encryption entering password but option none (i.e. no password) is disabled (with message ...
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1answer
70 views

After Full Disk Encryption, are all subsequent new files automatically encrypted?

I am not talking about the new Lollipop which encrypts everything by default. The older versions, such as Androd 4.2.1/4.2.2 etc. Suppose you went to settings -> security -> encryption, and chose full ...
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1answer
1k views

How do i Update my encrypted phone (CyanogenMod 12)?

I want to encrypt my phone (Xperia M). It has CyanogenMod 12 with cyanogenmod recovery. Wanted to know if I could update it the normal way, flashing through recovery, or some other way.
1
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0answers
75 views

How to encrypt data on Android on per-file basis before backup to a cloud storage

I would like to automate file encryption on my Android device before sending them to a cloud storage. I don't want to have a container encryption (like Truecrypt or VeraCrypt) since it will require ...
1
vote
1answer
80 views

alternative to android build in encryption?

I have got a Samsung S3 that forces me to use a 6-charakter password for the phone/SD card encryption. I would like to use a PIN (4-digits) as it was possible in earlier Samsung phones. I am aware of ...
4
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2answers
5k views

How to change encryption password - Android 5.0

My encryption password is too simple and was wondering how I could change it without having to reset the whole phone? I know there is an app for Android 4, but what would be the procedure on an ...
0
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0answers
207 views

Android 5.1 encryption password gone after changing back to pattern

I've encrypted my phone (Android 5.1) after setting up a password, and it worked fine. Because I don't want to use a password for the normal screen unlock, I've changed it back to pattern. But now ...
0
votes
2answers
278 views

K-9 Mail not working with Openkeychain

K-9 does not seem to find the installed Openkeychain app. OKC works fine and so does K-9 except for this problem. Both programs have been installed from F-Droid and are the the latest version. I am ...
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0answers
123 views

Force/Enable Pin screen lock

Is there a way to enable/set a pin code for screen lock, independently of the settings? In my case everything is greyed out (except "Password") because I use device encryption.
0
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1answer
234 views

Is there a way for a user to tell if their Android device is encrypted or not?

There is a semi-relevant thread on SO https://stackoverflow.com/questions/12640708/check-if-android-filesystem-is-encrypted that explains how a developer would determine if full-disk encryption is ...
1
vote
1answer
273 views

Using PIN instead of a password for encryption on Galaxy S3

I have a Galaxy S3 with OS 4.4.4 and am required to encrypt it for my job. I greatly prefer to use the PIN lock screen instead of the password due to the annoyance of having to type in the password ...
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votes
5answers
8k views

How to enter password for decrypt without system keyboard on android

I was trying to release some internal memory on my CUBOT GT-99, so I started disabling some system apps using one rooted app. One of apps I was disabled is system keyboard because I don’t use it ...
4
votes
7answers
6k views

Device encryption fails, but no error

I am trying to encrypt my android device (Samsung S3, Modified 4.1.2). I have set a password and made sure my device is plugged in and charged over 80%. When I select the encryption option, the ...
0
votes
1answer
131 views

How can I decrypt my photographs on the SD card?

My Samsung Galaxy S3 crashed suddenly and I had to take my SD card out to fix it. After I got it back and put my SD card into it, I realized that the data which was encrypted on my SD card (photos ...
4
votes
1answer
7k views

How can I read the chat logs from WhatsApp messenger on my Windows machine?

How can I copy over the whatsApp chat messages to a text editor? Are there any specific files I need to copy? I don't care for the media files, I just need the transcript of chat. I am using the ...
0
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0answers
128 views

How to encrypt external sd card under KitKat?

I am going tp buy a device with external SD card and I am wondering if any custom roms support ecnrypting external sd cards. I will root and use a custom rom. Basically I want to be able to encrypt ...
1
vote
0answers
444 views

Device encryption and broken screen

Assuming you have a device that is encrypted by the factory encryption option in the security settings of the device, and having said device suffer a fall and end up with a broken screen, what are the ...
4
votes
1answer
12k views

Merging a Crypt7 and a Crypt8 whatsapp backup

I have been searching a lot in the past couple of weeks on how to merge two whatsapp backup. Last month I got a new phone, installed whatsapp along with my old backup. During installation, whatsapp ...
1
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0answers
30 views

Where's my mounted stuff?

I have a luks encrypted file in stock Android 4.4.4 that I want to mount to work with. It is located in the internal sd partition (/sdcard). I am able to mount it as root via su without problems. ...
0
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0answers
29 views

Asus EEE Hanging wile Encrypting…waited 5d so far

I am trying to encrypt my Asus EEE pad, which has a separate keyboard attached but have got stuck and would appreciate some help. I have a PIN password for the pad. I went through the settings to ...
0
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1answer
129 views

Does android encryption encrypt free space?

The situation is that I used wipe without encrypting first so that people can still recover data. If I now encrypt and then wipe, will the free space also get encrypted so that no one can recover ...
2
votes
1answer
105 views

Will sdcard0 be encrypted on HTC One XL?

If I want to connect to our company Exchange server I am forced to encrypt my android (cm11). Q1) My question is whether ever /sdcard0 will be encrypted too. Note that HTC One XL got only ...
0
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0answers
92 views

Calling between Linphone and RedPhone

I have successfully called RedPhone from Signal (iPhone). Can I do the same with Linphone? As I understand both Linphone and RedPhone use ZRTP, but I have not found a way to call between the two ...
0
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0answers
312 views

Upgraded to Lollipop, tried to encrypt my phone, now it's not working

I downloaded the update to Lollipop today for my 2nd gen Moto G. A few hours later, I went into the security settings to encrypt the phone. I put my password in, it rebooted and showed a screen with ...
0
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1answer
2k views

Fast way to update custom ROM on encrypted phone?

If I add corporate (exchange) account to my phone I am forced to use PIN and now it even forces me to encrypt the phone. I have not done it yet but I need to. I udate my ROM - cyanogenmod - quite ...
1
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0answers
182 views

Is it possible to set an encryption password different than lock screen pin?

I set up phone encryption using a numeric password. android 4.4.4 on One plus one (Cyanogenmod 11S). now on the lock screen I'm asked for the same numeric password (but instead of a text input field, ...
0
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1answer
323 views

How to get the “encrypt external sd card” option to show (on a LG Optimus F6)?

The "encrypt external sd card" option doesn't show up under Settings->Security on my LG Optimus F6, or my Huawei Y301-A2. A microSD card, FAT32 formatted and empty, is inserted and recognized ...
0
votes
1answer
145 views

Can I undo the encryption on my Samsung Ace Style?

I want to keep my info private, but I don't want to mess up accessibility or have trouble answering my phone when I'm driving. Can I undo the phone encryption after I have applied it?
1
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0answers
85 views

Mounting an encrypted filesystem from the terminal

I have a USB-OTG device with an encrypted LUKS filesystem. Typically, on Linux you just run cryptsetup luksOpen ... to open up the device. On Android 4.4.4 (CyanogenMod 11M9), how can I unlock an ...
1
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1answer
627 views

Android Encryption porting

I'm currently trying to enable the full disk encryption in Android on my custom board. Some informations: The /data Partition is the 4th Partition on my SD Card. after the /data Partition there is ...
0
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0answers
6k views

Type password to decrypt storage

I'm receiving this message when I boot my Galaxy S4 and I cannot use it: Type password to decrypt storage I haven't encrypted anything and I don't know why I'm receiving this message. Is there any ...
0
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0answers
36 views

Removing Encryption from Device [duplicate]

I have a T-Mobile branded Samsung Galaxy S4. I have rooted it and currently running danvdh's Pure Nexus 4.4.4 ROM. I have my device encrypted and on ART runtime. I found the new 5.0 ROM and ...
5
votes
1answer
695 views

SIM Card not detected after encrypting device

I have a Samsung Galaxy Pocket Neo (Model GT-S5310B) running Android 4.1.2 The device is not rooted and the update notifier tells me I have the latest available version installed. Today I tried ...
1
vote
1answer
875 views

Longer disk-encryption passwords on Samsung Galaxy S5?

I'm trying to encrypt my Samsung Galaxy S5 (AT&T) and it only allows me to use a 16-character passphrase for my encryption key. Is there a way to bypass this or change the encryption key to ...
0
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0answers
125 views

my RCA tablet does not have an encrption option

I have an RCA Pro 10 tablet with Android 4.4.2. Under the security setting there is no option for encryption. My other tablet (which is not an RCA) has the encryption option. My question is, Did ...
1
vote
3answers
497 views

Does Vaulty app use AES encryption?

In the knowledge base of the Vaulty app to answer this question: Is Vaulty safe? they say that they modify the files and the files are safe. I wonder if Vaulty is really safe and specifically whether ...
7
votes
3answers
1k views

Do I have to backup Titanium Backup's keys?

I just bought Titanium Backup and set up a scheduled encrypted backup of user+system apps and data, followed by Dropbox sync. Assuming I remember the passphrase, is all the data required for ...
0
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0answers
64 views

Did my tablet ever start the encryption process?

Before I went to bed yesterday I switched on encryption on my Kindle Fire HD (Cyanogen KitKat ROM), and ended up seeing this screen: Looking around, apparently it's supposed to also have the text ...
2
votes
0answers
92 views

Is 4.0+ Disk Encryption compatible with Custom Recovery/KitKat ROMs?

There is a prior question that answers this for Android 3.0 but some stuff I have read elsewhere has said that installing TWRP will not work with encryption in more recent versions of Android, so I ...
2
votes
1answer
10k views

How to downgrade from Android 5 to 4.4.4 on an encrypted phone?

After certain troubles with Android 5 (see How to fix file permissions on Android 5 so that a certain app can access certain files?) I decided to go back to 4.4.4 on my Nexus 4 for the time being. ...
2
votes
1answer
5k views

Cyanogenmod: Encryption unsuccessful

I encrypted my phone. That worked fine. Then I installed another version of Cyanogenmod. This cannot decrypt the data (which is OK: There is no important data on the phone). It tells me to perform a ...
0
votes
0answers
172 views

How to manually intall an OTA zip on an encrypted HTC One GPE?

I have a HTC One that was converted to a Google Phone Edition. It's full stock, no root and original recovery, and received the 4.3 and 4.4 OTA updates without a problem. I encrypted my phone, and ...
1
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0answers
124 views

Boot to lock screen with encryption

After upgrading to Android 5 on my Nexus 10, I've now gone the extra step and enabled encryption. One thing that bothers me though: It doesn't boot to lock screen any more. I get asked my lock ...
1
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2answers
213 views

R2Mail2 - GnuPG encrypting email to a different email address than in the public key

I have a friend's public key with the associated email address bla@bla.com. I would like to use the key to send an encrypted email to the email address not@not.com. Is this possible in R2Mail2 for ...
24
votes
2answers
6k views

Undo Android 4.0 (aka Ice Cream Sandwich) Full Disk Encryption

Just upgraded my Nexus S to Android 4 aka Ice Cream Sandwich. Was looking through all the new features, and decided to enable encryption, which worked (and is working) just fine. Now I'm wondering if ...
0
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0answers
52 views

Installing Certificates on an Android device

From my understanding, to connect to a certificate-based VPN, one must download say a p12 file onto the Android device, then use "Install from Storage" in order to install the certificate and use it ...
1
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0answers
47 views

How to stop beeping noise from the unencrypt device screen

I have encrypted my phone, and set it so that it reboots each night - this works fine, however after it reboots, it asks for my password to unencrypted the device - still fine, however after a bit, it ...
0
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0answers
134 views

encryption and fingerprint unlock

Can you use the finger print scanner to unlock when the phone is encrypted? Everywhere I've looked it says you cant do it but I encrypted my phone and i can still use the finger print unlock when ...
1
vote
1answer
1k views

S5 Phone and SD Card Encryption: Do I need to enter in password twice?

I have a Samsung Galaxy S5. If I encrypt the phone and the SD card, presumably with the same PIN/password, do I need to enter in the PIN two times to access the SD card? I see that encrypting the ...
0
votes
1answer
245 views

Android Lolipop broke my enyrpted nexus 7 (2012)

I just received the update and now my device does not boot any more. I comes to the point where I have to enter my encryption password. The first time it did this it said: “Unfortunately your ...