{"id":179,"date":"2016-01-28T17:55:12","date_gmt":"2016-01-28T17:55:12","guid":{"rendered":"https:\/\/www.digitalforensicscorp.com\/blog\/?p=179"},"modified":"2024-12-11T19:28:59","modified_gmt":"2024-12-11T19:28:59","slug":"extracting-data-from-a-locked-android-device","status":"publish","type":"post","link":"https:\/\/www.digitalforensics.com\/blog\/software\/extracting-data-from-a-locked-android-device\/","title":{"rendered":"How To Access Files on a Locked Android"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Losing access to the <\/span><span style=\"font-weight: 400;\">important data<\/span><span style=\"font-weight: 400;\"> saved on your <\/span><span style=\"font-weight: 400;\">locked Android phone<\/span><span style=\"font-weight: 400;\"> or tablet can feel scary. You may have lost access to your phone or device because of a <\/span><span style=\"font-weight: 400;\">broken screen<\/span><span style=\"font-weight: 400;\">, forgotten <\/span><span style=\"font-weight: 400;\">passcode<\/span><span style=\"font-weight: 400;\">, or a need to access the <\/span><span style=\"font-weight: 400;\">internal storage<\/span><span style=\"font-weight: 400;\">.<\/span><br \/>\n<!--more--><\/p>\n<p><span style=\"font-weight: 400;\">Luckily, your <\/span><span style=\"font-weight: 400;\">important data<\/span><span style=\"font-weight: 400;\"> is still stored in your device and there\u2019s a chance the important information has been backed up, stored on external storage, and the files can be accessed using a few methods.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For some, a <\/span><span style=\"font-weight: 400;\">factory reset<\/span><span style=\"font-weight: 400;\"> is out of the question when trying to unlock a <\/span><span style=\"font-weight: 400;\">locked Android phone<\/span><span style=\"font-weight: 400;\">. Getting access to the device to use it again in its used state and <\/span><span style=\"font-weight: 400;\">factory reset<\/span><span style=\"font-weight: 400;\"> are not the same thing.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A <\/span><span style=\"font-weight: 400;\">factory reset<\/span><span style=\"font-weight: 400;\"> will make <\/span><span style=\"font-weight: 400;\">data recovery<\/span><span style=\"font-weight: 400;\"> impossible, restoring the phone or tablet to the way you received it when you first bought the device. <\/span><span style=\"font-weight: 400;\">Data recovery<\/span><span style=\"font-weight: 400;\"> can be successfully performed on a device without the need for a reset or formatting.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Instances where a phone or tablet screen is broken or a device is potentially in disrepair could still allow you to gain access. However, a cracked screen would likely need to be fixed before the <\/span><span style=\"font-weight: 400;\">Android device<\/span><span style=\"font-weight: 400;\"> and its data can be retrieved by the user.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In this article, we\u2019ll be covering some more advanced methods to unlock a locked Android smartphone or device.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Is_It_Possible_To_Recover_Files_on_a_Locked_Android\"><\/span><span style=\"font-weight: 400;\">Is It Possible To <\/span><span style=\"font-weight: 400;\">Recover Files<\/span><span style=\"font-weight: 400;\"> on a Locked Android?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Traditionally, you would need to unlock your phone or tablet by entering your secure PIN or <\/span><span style=\"font-weight: 400;\">phone password<\/span><span style=\"font-weight: 400;\"> to access it. Using a <\/span><span style=\"font-weight: 400;\">USB cable<\/span><span style=\"font-weight: 400;\"> and treating the device like a plug-in device would be ineffective unless the phone or tablet has been set to do so.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A locked <\/span><span style=\"font-weight: 400;\">Android device<\/span><span style=\"font-weight: 400;\"> that is inaccessible to the user by entering the PIN can still have its files recovered. The data you\u2019re looking to access may be stored internally, externally, or tied to an accessible account that allows you to unlock the device without the PIN.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">With more advanced methods where the PIN and account credentials are unavailable, the key is to <\/span><span style=\"font-weight: 400;\">enable USB debugging<\/span><span style=\"font-weight: 400;\"> mode before the device needs to be accessed. Below, we will cover the methods professionals use to <\/span><span style=\"font-weight: 400;\">recover files<\/span><span style=\"font-weight: 400;\"> that would otherwise be lost.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So, is it possible to unlock a locked Android smartphone? The answer is \u201c<\/span><span style=\"font-weight: 400;\">yes<\/span><span style=\"font-weight: 400;\">\u201d with a but, depending on whether the device is yours and what levels of access you have. If the first few methods don\u2019t work or aren\u2019t applicable, you\u2019ll need some experience with computers, a <\/span><span style=\"font-weight: 400;\">USB cable<\/span><span style=\"font-weight: 400;\"> compatible with your phone, and some light knowledge of SQL (databases).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you\u2019re fairly familiar with computers but not sure about SQL, we\u2019ll only be touching on it briefly; however, a small introduction to it may help you perform the needed procedure.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Getting_Started\"><\/span><span style=\"font-weight: 400;\">Getting Started<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Before we jump into making changes to the database of your phone it\u2019s a good idea to ensure that the <\/span><span style=\"font-weight: 400;\">Android device<\/span><span style=\"font-weight: 400;\"> is truly inaccessible. This means you\u2019ve tried to unlock it through one of the following methods:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Try any possible PINs you may have used in the past<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use <\/span><a href=\"https:\/\/www.samsung.com\/levant\/support\/apps-services\/how-does-find-my-mobile-work\/\"><span style=\"font-weight: 400;\">Samsung<\/span><span style=\"font-weight: 400;\">&#8216;s SmartThings Find tool<\/span><\/a><span style=\"font-weight: 400;\"> for <\/span><span style=\"font-weight: 400;\">Samsung phone<\/span><span style=\"font-weight: 400;\"> or tablet devices<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">See if the data you want to access is <\/span><a href=\"https:\/\/www.t-mobile.com\/support\/devices\/sd-card-and-device-file-transfer\"><span style=\"font-weight: 400;\">stored on an <\/span><span style=\"font-weight: 400;\">SD card<\/span><\/a><span style=\"font-weight: 400;\"> as part of its external data storage.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">If all those methods are unsuccessful or not applicable, we can move to the more advanced options. In this case, you\u2019ll want to gather the needed program and items.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But first, let\u2019s try a less advanced method:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Access_Your_Phone_Through_Your_Google_Account\"><\/span><span style=\"font-weight: 400;\">Access Your Phone Through Your <\/span><span style=\"font-weight: 400;\">Google Account<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">When it comes to data backup, <\/span><span style=\"font-weight: 400;\">iPhones<\/span><span style=\"font-weight: 400;\"> use <\/span><span style=\"font-weight: 400;\">iCloud,<\/span><span style=\"font-weight: 400;\"> and Androids use Google. To prevent <\/span><span style=\"font-weight: 400;\">data loss<\/span><span style=\"font-weight: 400;\">, your first step in recovering data should be to use your <\/span><a href=\"https:\/\/myaccount.google.com\/\"><span style=\"font-weight: 400;\">Google account<\/span><\/a><span style=\"font-weight: 400;\"> to unlock your device.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To use this feature, you would have to set up and sign up to sync and connect your phone to a <\/span><span style=\"font-weight: 400;\">Google account<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Step 1<\/span><span style=\"font-weight: 400;\">: Find the \u201c<\/span><span style=\"font-weight: 400;\">forgot password<\/span><span style=\"font-weight: 400;\">?\u201d feature on your phone\u2019s locked home screen.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Step 2<\/span><span style=\"font-weight: 400;\">: Answer the recovery questions used to set up your <\/span><span style=\"font-weight: 400;\">Google account<\/span><span style=\"font-weight: 400;\">. If you\u2019re not sure of the answers, move on to the <\/span><span style=\"font-weight: 400;\">next<\/span><span style=\"font-weight: 400;\"> step.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Step 3<\/span><span style=\"font-weight: 400;\">: Enter any password five times to trigger a &#8220;Forgotten the password&#8221; feature.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Step 4<\/span><span style=\"font-weight: 400;\">: Enter your <\/span><span style=\"font-weight: 400;\">Google account<\/span><span style=\"font-weight: 400;\"> credentials. With the correct credentials provided, you\u2019ll have access to your device with no loss of data and no PIN entered.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"ADB_Android_Debug_Bridge\"><\/span><span style=\"font-weight: 400;\">ADB<\/span><span style=\"font-weight: 400;\"> (Android Debug Bridge)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/developer.android.com\/tools\/adb\"><span style=\"font-weight: 400;\">ADB<\/span><\/a><span style=\"font-weight: 400;\"> is a command-line tool used to communicate with an <\/span><span style=\"font-weight: 400;\">Android device<\/span><span style=\"font-weight: 400;\">. It allows the user to directly interact with the phone or <\/span><span style=\"font-weight: 400;\">Android device<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">With this method, you would be sending commands to your phone to modify files stored within the device and gain access. This method would require you to have access to a computer and a <\/span><span style=\"font-weight: 400;\">USB cable<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To use this method your phone will need the <\/span><span style=\"font-weight: 400;\">USB debugging<\/span><span style=\"font-weight: 400;\"> mode to have been previously enabled. If this method isn\u2019t activated beforehand and the phone is inaccessible to do so, you will not be able to send commands through <\/span><span style=\"font-weight: 400;\">ADB<\/span><span style=\"font-weight: 400;\"> or access the bootloader.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Most devices are shipped with the debugging mode disabled and the bootloader locked. If you\u2019re unsure if you\u2019ll be able to access your phone through the <\/span><span style=\"font-weight: 400;\">ADB shell<\/span><span style=\"font-weight: 400;\"> using a <\/span><span style=\"font-weight: 400;\">USB cable<\/span><span style=\"font-weight: 400;\"> you can follow the steps below to see what methods are available to you.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_To_Recover_Data_From_a_Locked_Android\"><\/span><span style=\"font-weight: 400;\">How To <\/span><span style=\"font-weight: 400;\">Recover Data<\/span><span style=\"font-weight: 400;\"> From a Locked Android<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">There are two main types of locks: Pattern and PIN\/Password. To crack it, a forensic examiner needs to extract one or two files from the mobile device.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Of course, there is no universal solution, but there are three main options for recovering your Android&#8217;s data.\u00a0<\/span><\/p>\n<p><strong>3 Options for Recovering Android Phone Data:\u00a0<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">To use Android Debug Bridge. The mobile device being examined must be rooted and <\/span><span style=\"font-weight: 400;\">USB debugging<\/span><span style=\"font-weight: 400;\"> must be enabled.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">To flash a custom recovery. The device\u2019s bootloader must be unlocked.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">To use JTAG or Chip-off techniques.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">To crack <\/span><span style=\"font-weight: 400;\">Pattern lock,<\/span><span style=\"font-weight: 400;\"> you need just one file located at \/data\/system\/. The filename is gesture.key.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This file contains an unsalted SHA-1 hash of the device <\/span><span style=\"font-weight: 400;\">Pattern lock<\/span><span style=\"font-weight: 400;\">. The number of patterns is limited due to each number (0 \u2013 8) can be used only once. To crack it, a rainbow table with all possible variations needs to be created.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">We are not going to reinvent the wheel because talented digital forensics analysts from CCL have already created a Python 3 script that can solve the problem. You can download it here. Run the script, and in about 30 minutes, you\u2019ll get an sqlite database with all possible pattern hash variants. Now, you can search the DB for hash extracted from your gesture.key file.<\/span><\/p>\n<figure id=\"attachment_184\" aria-describedby=\"caption-attachment-184\" style=\"width: 763px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-184 size-full\" src=\"https:\/\/www.digitalforensics.com\/blog\/wp-content\/uploads\/2016\/01\/android_forensics_bypass_password_PIN_pattern_lock.jpg\" alt=\"android_forensics_bypass_password_PIN_pattern_lock\" width=\"763\" height=\"434\" srcset=\"https:\/\/www.digitalforensics.com\/blog\/wp-content\/uploads\/2016\/01\/android_forensics_bypass_password_PIN_pattern_lock.jpg 763w, https:\/\/www.digitalforensics.com\/blog\/wp-content\/uploads\/2016\/01\/android_forensics_bypass_password_PIN_pattern_lock-300x171.jpg 300w, https:\/\/www.digitalforensics.com\/blog\/wp-content\/uploads\/2016\/01\/android_forensics_bypass_password_PIN_pattern_lock-512x291.jpg 512w\" sizes=\"auto, (max-width: 763px) 100vw, 763px\" \/><figcaption id=\"caption-attachment-184\" class=\"wp-caption-text\">info graphic on working with your locked android device.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">To crack the PIN or password, you need two files. The first file is password.key, located at \/data\/system\/, the second \u2013 settings.db (for Android prior to 4.4), located at \/data\/data\/com.android.providers.settings\/databases\/, or locksettings.db (for Android 4.4 and higher), located at \/data\/system\/.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">We need two files instead of one because, this time, the hash is salted. In settings.db, the salt can be found in the \u201csecure\u201d table in locksettings.db \u2014 in the \u201clocksettings\u201d table. Use your favorite SQL browser to find the <\/span><span style=\"font-weight: 400;\">lockscreen<\/span><span style=\"font-weight: 400;\">.password_salt key.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Of course, if you are a hex editor addict, you can use your favorite tool. Now it\u2019s time to use oldy-moldy brute-force. And again, CCL has a Python 3 script to solve the problem. It can be downloaded here. To <\/span><span style=\"font-weight: 400;\">start<\/span><span style=\"font-weight: 400;\"> cracking, you should run the script with the hash, the salt and max code length (4 \u2013 16).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To tell the truth, you don\u2019t even need to crack Pattern, PIN or password. You can bypass it by deleting the relevant files. Of course, it\u2019s not forensically sound. Nevertheless, this is the only way to bypass Lollipop device locks.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mobile_Device_Discovery\"><\/span><span style=\"font-weight: 400;\">Mobile Device Discovery<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If you\u2019re facing a situation where recovering data from your <\/span><span style=\"font-weight: 400;\">Android device<\/span><span style=\"font-weight: 400;\"> is imperative but you\u2019re not able to implement the steps laid out above, <\/span><a href=\"https:\/\/www.digitalforensics.com\/\"><span style=\"font-weight: 400;\">Digital Forensics Corp<\/span><\/a><span style=\"font-weight: 400;\"> can help. If your <\/span><span style=\"font-weight: 400;\">locked Android phone<\/span><span style=\"font-weight: 400;\"> or tablet contains the information you need, we are ready to help you retrieve that information using special <\/span><span style=\"font-weight: 400;\">data recovery software<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><strong>Digital Forensics Corp employs certified engineers to recover data through:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Imaging<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Data recovery<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Data analysis<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Forensic analysis<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">E-Discovery<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">If the smartphone device has specific data that needs to be accessed our team can help you dissect the information within. We can get as detailed as identifying which cell phone towers were used to handle a call, text, or send <\/span><span style=\"font-weight: 400;\">phone data<\/span><span style=\"font-weight: 400;\"> through or simply recovering the data on a <\/span><span style=\"font-weight: 400;\">locked Android phone<\/span><span style=\"font-weight: 400;\"> or tablet. Our <\/span><a href=\"https:\/\/www.digitalforensics.com\/digital-forensics\/cell-phone-forensics\"><span style=\"font-weight: 400;\">phone forensics experts are ready to help<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sources:\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/www.samsung.com\/levant\/support\/apps-services\/how-does-find-my-mobile-work\/\"><span style=\"font-weight: 400;\">How does SmartThings Find (Find My Mobile) work? | <\/span><span style=\"font-weight: 400;\">Samsung<\/span><\/a><\/p>\n<p><a href=\"https:\/\/www.t-mobile.com\/support\/devices\/sd-card-and-device-file-transfer\"><span style=\"font-weight: 400;\">SD Card<\/span><span style=\"font-weight: 400;\"> &amp; Device File Transfer | T-Mobile<\/span><\/a><\/p>\n<p><a href=\"https:\/\/myaccount.google.com\/\"><span style=\"font-weight: 400;\">My Account | Google<\/span><\/a><\/p>\n<p><a href=\"https:\/\/developer.android.com\/tools\/adb\"><span style=\"font-weight: 400;\">Android Debug Bridge (<\/span><span style=\"font-weight: 400;\">adb<\/span><span style=\"font-weight: 400;\">) | Android Developers<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Losing access to the important data saved on your locked Android phone or tablet can feel scary. You&hellip;","protected":false},"author":126,"featured_media":6977,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"csco_display_header_overlay":false,"csco_singular_sidebar":"","csco_page_header_type":"","footnotes":""},"categories":[6],"tags":[],"class_list":{"0":"post-179","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-software","8":"cs-entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How To Access Files on a Locked Android<\/title>\n<meta name=\"description\" content=\"Losing access data saved on your locked Android phone or tablet can feel scary. Whether due to a broken screen or forgotten passcode, Use these tips to access your lost info.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.digitalforensics.com\/blog\/software\/extracting-data-from-a-locked-android-device\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How To Access Files on a Locked Android\" \/>\n<meta property=\"og:description\" content=\"Losing access data saved on your locked Android phone or tablet can feel scary. 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