Data Recovery App Download For Android ((FULL))

The only one that actually caught a very small portion of deleted files is called DigDeep Recovery. The extremely weird part is, this app recovers files by COPYING them to another folder on the internal phone drive, which OVERWRITES existing empty space, which potentially damages the possibility to fix those files marked as deleted. Also, when files are fragmented, instead of combining them, it will actually upload 45GB of my data to their website to fix!!! Even weirder, you can only get 500Mb quota every day, with an additional 50Mb quota if you watch one ad per day, giving that I ALREADY purchased this app! And I can't pay to lift this quota, even as a paid customer!!!

Question: All data-recovery solutions I can find on this site are from 6 or more years ago. Similarly, commercial solutions (such as Dr. Fone) are only good up to android 4. Are there any tools or techniques that still have a reasonable chance of success on Android 11?

Data Recovery App Download For Android

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Background: I have an ASUS Zenfone 6 that I recently updated. After the update, I was asked for the lock pattern, which I somehow forgot (I usually use the fingerprint scanner). Without bypassing the lockscreen (or somehow reactivating the fingerprint without the lock pattern) the only option I see is to reset the phone (which I understand will delete the user partition). If it is possible to create an image or recover data after the factory reset, there is at least a chance I can recover the contacts and a few months worth of photos that defaulted to internal memory after a previous update. I know that android has encrypted the user partition by default since Android 5, so maybe recovering data is no longer possible.

Since about Android 6 all devices come with enabled user data encryption. I think since about Android 8 Google enforces that this encryption is hardware backed, which means you can't export the used encryption key and once the key has been deleted all data are gone forever.

There were a few cases were you could trick the lock screen to bypass it, however this only affects devices that were already running. If you boot the device you need to provide the lock screen PIN/password/pattern otherwise the user data encryption key is not released (the exact way this works was changed with every Android version a bit).

rooting: Requires an bootloader unlocked device or for an device with a vulnerability access to the UI is required. Unlocking a bootloader locked device automatically performs a factory reset which deletes the encryption key -> data gone. And that you don't have UI access to the device is obvious.

You can back up content, data, and settings from your phone to your Google Account. You can restore your backed up information to the original phone or to some other Android phones. You can't use back up when you set up a personal device with a work profile or for work only, or when you set up a company-owned device.

Backups are uploaded to Google servers and they're encrypted with your Google Account password. For some data, your phone's screen lock PIN, pattern, or password is also used to encrypt your data so it can be backed up safely.

Your photos and videos are already available in Google Photos. But you can restore the rest of the data you backed up while you set up your new phone for the first time or after a factory reset. At setup, to restore your data, follow the on-screen steps.

To retrieve lost files on Android, you can use a few different methods to recover your lost files, from simply checking the recycle bin, checking your cloud backups, using recovery apps for PC or Android, and even contacting the developer. However, it's important to remember that there is no guarantee of retrieving lost Android files.

Before you do anything else, the most important thing to know about Android data recovery is that you should stop using your phone as soon as possible. This will give you the best chance of getting your file back if it is lost.

To prevent this problem, you should always try using a desktop computer recovery app first. We recommend Recuva as a good place to start. Install this app, and the wizard will then take you through several steps to try and recover your lost files. This method of Android data recovery works a little better for files stored on memory cards instead of files that were stored internally.

The good news is you will only be charged if they assess that the file is recoverable. The only issue is they tend to cost hundreds of dollars if not more, so you need to think long and hard about how badly you need those files. Data recovery services are great for people struggling to extract files from broken phones too.

My micromax canvas nitro A311 is stuck in boot loop.I have tried to solve the boot loop problem but couldn't succeed.The only solution seems to me is to format my phone.I am able to go to the recovery mode.It shows the following options:-

When i select the "backup user data" option ,it shows "SD card did not have enough free space".It is reading my internal sdcard but not the external one.Is there any way I can back up data on an external sdcard or on my PC?My android phone is rooted.

This will NOT retrieve data stored elsewhere such as phone logs or text messages or contacts. Unfortunately, those will be lost without the option to recover from the boot loop. It will only recover data saved on the data partition in phones, such as photos, music, and other misc info saved by apps.

Try wipe cache partition to see if that gets past boot loop. The only option I can think of. Or simply flash a custom recovery like TWRP that allows access to an external SD card: -developers.com/a310/orig-development/twrp-recovery-micromax-canvas-nitro-a311-t3066387

I contacted a data recovery company and told them that the memory was encrypted and the phone used Android 6. In response I was told that there was a chance, albeit small, that they could recover some data. However, they were unsuccessful and in their report they blamed the encryption.

Android supports two modes of encryption; FDE and FBE. FDE encrypts whole block device i.e. userdata partition using Linux kernel's dm-crypt framework, while FBE is based on fscrypt available since Android 7. From data recovery's aspect, approach is similar for both. Both offer strong encryption and what's been attacked by hackers is not the encryption itself, but Android's mechanism to create and store keys required for decryption.

But the skipped sectors are the ones which contain no data in filesystem. However as data is written to the sectors (or if the encryption was initialized with random data which doesn't seem to be the case with Android), they get encrypted and very soon whole block device becomes one giant high entropy block of data with no visible structure. It's impossible to distinguish encrypted data from random noise. TRIM, however, if supported by hardware, kernel, filesystem and the OS, may reveal the empty space in filesystem. But reading from that space only returns zeros.

As a best practice, unlockable Android devices must securely erase all user data prior to being unlocked.

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Failure to implement these protections is considered a moderate level security vulnerability.

Depending on the device a BLKSECDISCARD, BLKDISCARD or a complete overwrite with zeros is recommended. It's then followed by filesystem creation which may again issue TRIM. Same happens during a factory reset i.e. userdata and cache partitions are completely erased (though conformance in past has been bad). See this answer for more details.

BLKDISCARD and FITRIM are Linux kernel's IOCTLs which issue special commands to underlying eMMC devices depending on their capabilities. TRIM is issued by the filesystem to the FTL, requesting the actual physical erasure of data blocks (LBAs) which have been deleted from the filesystem. DISCARD is kind of TRIM for whole block device. TRIM obviously doesn't touch undeleted files, filesystem structure and drive's partition table. BLKDISCARD saves nothing at all on block device, including the crypto footer. Both of these commands belong to Logical Sanitization level of secure data deletion. So is ERASE command issued by BLKSECDISCARD IOCTL, while others issued by the same - including SECURE TRIM, SECURE ERASE and SANITIZE - are considered of Digital Sanitization level i.e. they cause even more secure deletion. Even a complete overwrite with zeros will render data irrecoverable - at least without melting eMMC - because of Overprovisioning and Garbage Collection.

So in short these commands (if supported by underlying hardware and if required drivers provided by vendors) don't leave much space for deleted data recovery. Encryption adds to the trouble. As explained above, encryption type with FDE is, a kind of, all or nothing. If even a small part of crypto footer is erased during bootloader unlocking, forget about decryption. Quoted from a lead engineer for Android security (ref):

By far the most questions on the cryptsetup mailing list are from people that managed to damage the start of their LUKS partitions, i.e. the LUKS header. In most cases, there is nothing that can be done to help these poor souls recover their data.

So without the crypto footer which contains encrypted master key, RSA key (hardware-bound) and other information related to encryption, everything is random data. But even if we assume that crypto footer wasn't erased in your case and hardware-backed encryption wasn't a hurdle either, the problems aren't over. With dm-crypt FDE a master key is used to encrypt / decrypt sectors (512B each) individually when they are written / read respectively (every sector has it's own IV). After decrypting userdata partiton a new virtual block device is created at /dev/block/dm-0 which contains a filesystem, mostly ext4.

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