Android lock bootloader without wipe

Oct 14, 2015 · when you unlock your bootloader, itll wipe your whole phone, nothing that you can do about that. Now flash the twrp by running flash twrp. Nov 12, 2017 · So, I did a "fastboot oem lock" and it re locked the bootloader. 7. With the HTC, the wipe happened in recovery, so if I had TWRP installed, the phone wouldn't erase Dec 17, 2021 · Click to collapse. 5. Connect phone to PC, on PC fastboot type: fastboot oem unlock still AFAIR Relocking doesn't wipe your data, only the unlock procedure. The phone should automatically boot into the OS. Re-locking the bootloader/restoring the device to factory state. . #6. Boot up the device and check for system updates. Feb 23, 2018 · WIth my HTC phones, unlocking the bootloader would erase the phone (obviously, and just like the Pixel 2). Code: fastboot oem lock. Step 4: [If Applicable] Get an Unlock Key From Your Device Manufacturer. └ If you get a prompt to “Allow Google to regularly check device activity for security problems. Go back to the System update page and select Restart now. this should take your phone to the "fastboot" screen,wich is white with colored letters. Now go to Data > System and select either the ‘gesture. I just wanted to lock my bootloader, since currently I don't really need Root access anymore and I don't want this poor security a phone with an unlocked bootloader brings. And to unlock the bootloader again, you need to have a ROM installed on Sep 11, 2023 · Steps to Relock Bootloader on Samsung Devices. Once your device is in fastboot mode, connect it to your computer using a USB cable. 3. bin. Finally, type in the below command to unlock the bootloader. Dec 28, 2016 · This can be done even with a locked bootloader. this is one mode of your bootloaders interactive modes. Starting with Android Jan 3, 2018 · New question: How to lock bootloader without wiping? Hi there again! I tried flashing the original system. Not Every Phone Will Let You Do This There are two kinds of phones in this world: Those that let you unlock your bootloader, and those that don't. Mi Nov 6, 2023 · Turn off your phone completely. Continues to boot normally into the system without issues. 1 without root. Step 1 - Enable OEM unlocking. Reboot the device, and check the OEM unlockingoption again . Mi Unlock Tool is a software developed by Xiaomi to unlock the bootloader of Xiaomi devices. com/download-15-seconds-adb-insta May 3, 2014 · Unlocking the bootloader will reset the phone back to factory fresh condition as stated. Android Flash Tool supports these devices: Pixel 2 and newer. It will lock the bootloader, locking the bootloader wipe data and factory reset your phone so better to take backup first. now screen will turn black, do not disturb it. e. Step 5: Boot Your Android Device into Bootloader/Fastboot Mode. Refer to spike0en/Pacman_Archive (GitHub)to install the Nothing OS factory images or full OTA packages. After booting procedures, the partition SECCFG can NOT be read. This can be done by flashing the logo. key’ (for password lock) Then long press on that key and select Delete > Delete that file. So use the Volume keys to select Relock the Bootloader and press the Power key to confirm. 6 days ago · For privacy and security reasons, all Android devices' bootloaders are locked by default. Locked bootloader does not allow us to install custom ROM on our device. Now connect your device via USB to the computer while still on the Nov 5, 2018 · For the Nexus 6P and 5X, we recommend you use the one that came in the box. If you don’t get any prompt, then use the below command to get the job done: fastboot oem lock Oct 28, 2023 · [Guide] [January 3, 2024] Root Pixel 8 Pro Unlock Bootloader + Pass SafetyNet + Both Slots Bootable + More Android Security Bulletin—January 2024 Pixel Update Bulletin—January 2023 Introduction This Guide is for Pixel 8 Pro owners that want to Jan 5, 2019 · Click to collapse. Also I was lucky that there is a complete example for unbricking GT-I9250 in Targets/Projects/tuna. Nov 2, 2021 · Reboot into bootloader and reflash vbmeta without flags. Step 4: Launch the Command-line Window. Feb 15, 2023 · Reboot the device into downloading mode by Volume Up+ Volume Down+ Power+ connect the device into the USBport. Apr 28, 2023 · From here check the clean all and lock option to lock the bootloader of your phone. Now go to Unlock folder and run the unlock bootloader. You can also use it to unlock the bootloader again without wiping data. Restart phone and still getting a splash screen similar to the one when your unlocked but this time it says "Device has loaded a different Operating System". I am trying to keep XDA Members from bricking their phone. Backup your device and after unlocking the bootloader, just restore your data and it will be the same. 2- When it finishes exit the tool, don´t tap on "Reboot device" in the tool, just close the tool. adb does not work in recovery mode. Step 6: Double-click the extracted executable "miflash _ unlock. Make sure that you are getting a serial ID. every nexus is done this way. Sep 2, 2021 · When powered on, in the usual boot loader unlocked warning page, it prompts for power key to be pressed to continue. First of all, you’ll need to boot your Samsung Galaxy device into the Download Mode. Turn off the phone 2. Now Tap on ‘Flash’ at the top right to start the flashing process. Here's how to use it. Table of Contents. txt that lists options and commands and has some examples. Nov 27, 2012 · The most interesting is OMAPFlash. Jan 26, 2016 · How To Root Without Unlocking Bootloader. Unbrick Guide: Locked Bootloader, OEM Unlock Disabled, Stuck in Fastboot. The Nexus 6 launched on Android 5 but still wipes the data partition on relock, so it has nothing to do with > 7. locked to 0; this unlocks the bootloader if the We would like to show you a description here but the site won’t allow us. STEP 2: Download Firmware. On your computer, open a command prompt or terminal window and navigate to the platform-tools folder. However, the privacy concern is relatively straightforward to extrapolate. The ZIP file can also be flashed in it's entirety via TWRP recovery instead. If that is not the case, then carry out the USB/OTG tweak until you get the ID. This is a problem for me because I need it unlocked to temporarily have root to install Google Assistant. Jul 6, 2020 · How to Relock Bootloader via Fastboot on Android. key’ (for pattern lock) or ’password. Once installed, open Kingroot app and press the “Start root” button to begin the rooting process. Your device will undergo a reboot and subsequently boot to the OS. To unlock your bootloader, type the following command into the command prompt or terminal window: fastboot oem unlock. chmod 755 /system/bin/fastboot. Step 4: Use a new password that isn't your Google account password to unlock your Realme and confirm it. There are ways to back up your data and apps even without an unlocked or rooted Step 4: Attach your phone to your PC with a USB cable. Whether you're allowed to unlock your bootloader depends on the manufacturer of your phone, the model you have, and even your carrier. Unlock the bootloader. Step 2. or any way to root op6 without data loss. 0. Some older devices also dislike USB 3 in fastboot mode. I have a Nokia C01 with Android Go 10 (I think) and it's PIN locked. Dec 2, 2015 · A custom recovery is a recovery OS build created by a third party (not the device manufacturer). Reboot to system. The bootloader on the vast majority of Android phones is not user-accessible. After that, tap on the mouse to unlock the Android phone and then switch on USB debugging on Settings. takes about 3-5 minutes. If you have a bad cable you might encounter some problems. Apr 27, 2023 · Here is the proper and safest way to Re-Lock Bootloader on Xiaomi, Redmi & POCO Phones in 2023. Source: How to bypass Google Account Verification (Factory Reset Protection) Aug 27, 2022 · On Android, go to Settings > About phone > tap Build number seven times. Feb 20, 2020 · 7. This is where I took the options specific for this device. bat from the 'flash TWRP' folder. Nov 13, 2017 · You would be greeted with a Unlock Bootloader Warning page, Hit the Vol button to select Yes and turn it Blue and Hit the Power Button to Execute the selection. Once your device is in bootloader mode, issue the following command to relock Apr 19, 2023 · If you have recently bought Galaxy A04s (SM-A047F, SM-A047M), then you might be planning to unlock its bootloader. It's simple process and the device is wiped before you've gone through the process of setting up the device. Step 6: Unlock OnePlus Nord’s Bootloader using Fastboot Command. Gesendet von meinem Nexus 4 mit Tapatalk 2 Longest Money Back Guarantee. Apr 5, 2024 · This is actually an interesting situation. As we know, bootloader is a program that starts whenever phone is turned on. Download and install the kingroot . Open a command window on your PC. ”. Tap on the build number repeatedly to turn developer mode on. Then press and hold the Bixby + Volume Down buttons together for a few seconds. The next step here is to unlock fastboot OEM by following the steps given below: Click on Settings and then go to System. Step 3. and that it. My profile. Relocking the bootloader DOES do a factory reset, but there are still risks with a relock since it sounds like at least some non-stock data got written. This feature disables the ability of the user to access the device's root directory. I would advise you figure out why the image failed instead of trying to use relock for a factory reset. Oct 16, 2022 · If you only got 30 seconds: To unlock the bootloader on an Android device, you need to have a computer and the Android device connected to it. Selecting Start, it goes back to boot loader. Select the "Wipe Device", "Lock Bootloader", and "Force flash all partitions" options. Reboot to bootloader again, re-reflash vbmeta with disable flags. And in Chapter 10: Device Security (in section May 1, 2024 · Android Flash Tool is a web-based tool that lets you flash a pre built Android build to your device for development and testing. May 12, 2020 · Factory Reset Protection (FRP) is a security method that was designed to make sure someone can't just wipe and factory reset your phone if you've lost it or it was stolen. net/how-to-in It is a security feature on Android that requires you to wipe device when unlocking boot loader. 1 with security patch level being 5 August 2016. May 5, 2019 · - Wiping data isn't necessary and will be avoided by TWRP itself, but if you want to switch from locked to unlocked or vice versa without wiping, make sure to delete locksettings. └ You may get a request to authorize USB debugging on the device, accept it. On booting, the device verifies if the device is unlocked or not, inside the partition: SECCFG. Next, go back to System > select Developer options > toggle on OEM unlocking > toggle on USB debugging. adb devices. But I wonder if the user data will be wiped like when doing the unlock? I'm now running OxygenOS 5. verifiedbootstate to set the value of ro. keep volume downpressed! Then from a shell, type: Spoiler. STEP 5: Install Firmware on Locked Bootloader via ADB Sideload. 1 of this handy little utility. Mar 3, 2016 · Mar 4, 2016. Jun 19, 2020 · According to some blogs there should be an "Allow OEM unlocking" option in developer menu. prop is located) the build property refers to the oem unlock toggle in developer options only, not actually to the bootloader lock itself. The latest update May 30, 2021 · (if you think about on which stage in boot chain build. -Connect device In flashmode when it prompts. On the Android device, you need to type fastboot oem unlock and press Enter. ” This is a hard-bricked situation, i. 1. The only requirement is that you are rooted. Next. Dec 6, 2013 · On a rooted device, you can use BootUnlocker to re-lock the bootloader without using fastboot. Now you need to give permission for the bootloader to be unlocked. input text XXXX. Android Flash Tool is the #1 best option for returning to complete stock. I've read that a custom recovery menu like TWRP would do the job but it requires an unlocked bootloader. Same for when I unlocked the bootloader in my Nexus 10, Droid Razr M, Incredible and Eris. (This will unlock your phone and wipe all data of your device) fastboot oem unlock. Locking the bootloader on the 5X seems to wipe the phone. Install ADB, Terminal eliminator, and Fastboot for Android. Oct 28, 2016 · So it seems Android Pay has been updated to not work with an unlocked bootloader. Some phones require an additional unlock Jun 6, 2024 · The best method to get to the Android recovery menu is to turn off your device and then long press a button combination. , your phone has no ROM installed, and the bootloader is locked. I unroot and lock the bootloader to use Android Pay but the wipe gets rid of Google Assistant. Now, reboot your Mi A2/A2 Lite back into the Fastboot Mode and enter the following command to further unlock the critical partitions for the phone: Nov 14, 2016 · 4. Mar 19, 2024 · Open Magisk Manager again and select Install-> Install to Inactive Slot (After OTA). Code: fastboot oem device-info. When I unlocked my Moto X it was factory reset. locked to 1 if locked or 0 if unlocked. On the computer, you need to open a command prompt. That caused the Android Pay can't be used and need to flash full ROM on every upgrade. devices can shipped locked state without having that property. • 2 yr. then you boot up with root. I use it to keep my bootloader locked most of the time, but unlock it prior to installing a system update or doing anything else that might require re-rooting via fastboot flash. Support 6,000+ Android phones/tablets with high success rate, including devices running on Android 13. mount -o remount,rw/system. 2. Then you can lock and unlock your bootloader with that tool as you like. To do this: Power Off your Samsung Galaxy device completely. When the bootloader is secured, the user cannot install custom firmware or operating system And run the following commands in the command prompt. if the phone was stolen, the recovery and bootloader could be accessed and thus the userdata could be wiped, but not unencrypted and accessed. Press on Volume up Unlock bootloaedr (may avoid warranty)option. If you can use fastboot flashing lock, why did I suggest using the Android Flash Tool. Reactions:goldanko, beekay201and efrant. Source : Apr 6, 2012 · 18. at the top youll see fastboot devicesas confirmation youre in fastboot. db in /data/system (from recovery) - With a locked bootloader you'll be able to boot signed ROMs and recovery without issues, and also to install new ones. Dec 12, 2018 · For those, who don't know, there's how to unlock/lock bootloader without erasing data: 1. Is Jan 8, 2024 · Let’s check it out. Reactions:kornball, w_tapper, foobar66and 1 other person. First, connect your Android phone with a mouse and OTG adapter. -First Backup your DRM Keys By Using Backup TA Tool. Step 5: Password lock will replace the existing lock screen. apk file from the link above. When the Android Flash Tool finishes returning your phone to stock you can disable OEM unlock and USB debugging. 6. These were the steps to Nov 3, 2015 · From the Settings menu select Backup and Reset. Apr 28, 2018 · My phone currently is in OEM unlock mode. (read the comment below for Huawei Y5) From this submenu, choose Factory Data Reset. Jun 22, 2023 · Hi, I want to dump the /data partition from my phone. #5. Although having an unlocked bootloader is useful in many ways like flashing firmware (factory images), installing TWRP and getting root, but it can also lead to blocked services on your device due to security reasons, and hence you might want to relock bootloader to avail those services. its the only true method, and best. Done!!! Reboot the phone and boot into your unlocked device. We’re not advising against rooting and using custom ROMs if that’s really what you want to do, but you should be aware of the risks. Now execute the below command to relock the bootloader fastboot flashing lock; You’ll now get a prompt on your device. All comments (3) Aug 24, 2017 · Whenever you unlock or relock the bootloader, fastboot causes factory reset of the device which wipes data and cache partitions. Mar 21, 2022 · If your device is locked and any partition is modified, the device will not boot. Now from the computer, open the folders of the phone and copy the data like videos Mar 13, 2017 · On the other hand, it completely ruins the security of the device, as it makes it trivially easy to downgrade the Android bootloader or install a malicious kernel without wiping the device. Report results here. The first thing I tried was: reboot recovery The phone rebooted but now displays a picture of a phone with a red triangle and an exclamation mark. With a Root browser, open the installed ADB and insert it in System > Bin folder. All of this may not be relevant, since rooting this device is very Nov 14, 2020 · Step 3: Set Up Android Platform-tools on your Computer. V. It depends on how the manufacturer chose to implement the bootloader. This. fastboot flashing unlock. Step 2: Connect your Samsung device to the PC via a USB cable. This apparently is recovery mode but I could not see how to do anything from here. 2x4 said: you can leave the bootloader unlocked but still encrypt the userdata, which would keep the data secure (even with the pin request upon boot). However, this time you won’t see the FRP lock. Your device will reboot, show you a Secure boot warning, reboot into stock recovery and wipe all data. This is the proper way of unlocking the bootloader without losing your data. Unlocking it certainly does, though. exe" to start the unlock tool on your PC. Once in the bootloader, issue the following fastboot command to unlock the bootloader. Here are the steps on how to bypass the Android lock screen: Step 1. 0, DM-verity and a bunch more android protections (secure boot is one of them) These android protections check for the Stock Android ROM (read-only memory), before the system even starting (while the device is in the preload state)! Dec 15, 2011 · The act of unlocking the bootloader wipes the phone, rooting does not. Unbrick Any Android Device Without Wipe Data. adb sideload afm. and the root method. Boot your Pixel device into bootloader mode using the following command: adb reboot bootloader. Step 3 - Use Magisk to patch the init_boot image. The Android documentation doesn't provide a lot of elaboration, stating simply: The procedure must be confirmed on-screen, and deletes the user data for privacy reasons. ADB Setup :-https://androidmtk. 1 or older. Not sure if there was a change with the N5X or newest versions of the bootloader. The developer, segv11, is back with v1. Oct 28, 2023 · Use the Android flash tool: select Wipe => Force Flash Partitions => Lock Bootloader. Click on “About Phone” and then tap “Software information. Unlocking the bootloader causes a factory reset and would wipe my /data partition. ”, make sure you DECLINE it. If your device is unlocked, the device will boot perfectly. You can follow the step-by-step guide and tutorial here. New version: support Xiaomi/Redmi FRP unlock. . [Note - Unlocking bootloader for first time will wipe out your whole data including internal memory] May 29, 2013 · Then use Nexus boot unlocker to unlock the phone without getting your data wiped. Boot to Recovery Mode. Scroll down to Developer Options. Reply reply May 28, 2019 · It's a simple app that allows rooted devices to lock and unlock the bootloader without wiping user data. And the warning screen will disappear. Once the bootloader is unlocked, the device can be flashed with unsigned Nov 9, 2018 · 1 - Unlock bootloader as normally through the tool when time it´s came. -Then open flashtool and Hit The BLU button. Update to the latest available 5. Step 5: Download the Mi Unlock Tool zip file and unzip it on your PC using 7Zip or other archive utilities. allow it to run. Open the terminal app and type in the following: su. img from a fastboot Oreo ROM I found online. Stefamag09. Aug 30, 2021 06:39. 👉Download ADB drivers : https://www. Now connect your broken Android phone to a PC and it will recognize it as external memory. May 19, 2018 · As and when you get the device follow the below: 1. also bootloader can be non-unlockable even with get_unlock_ability=1 and/or OEM unlocking enabled Feb 8, 2022 · How To Flash Android Phone Without Data Loss. To boot your device into Android recovery mode, do the following: With your Oct 9, 2013 · if you get your serial number back,then enter this command: adb reboot bootloader. Select the option File transfer/Android Auto. Sep 22, 2016 · But there’s a reason devices come with locked bootloaders – unlocking your bootloader creates security risks. (Here if power switch is not pressed within 30 odd seconds, phone powers down automatically. 4 days ago · To wake up your Android phone’s touch screen, use the following command after the $ sign. Don’t forget to replace ‘XXXX’ with the PIN or passcode you’ve set for your phone’s lock screen. Oct 28, 2023 · Type in the below command: fastboot devices. boot. it involves unlocking the bootloader, then fastboot flashing twrp recovery, then flashing SuperSU via twrp recovery. For devices that support dm-verity , use ro. And to make things easy, enable USB debugging on your Feb 16, 2023 · Then launch CMD inside the platform-tools folder and execute the below command. Jul 6, 2020 · Thanx 4 watching…. Locking the bootloader wouldn't erase the phone on the HTC, but with the Pixel 2, the instructions say that it WILL ERASE THE PHONE. 4k. If you get the Rescue Party corruption message, just reboot to bootloader and reflash vbmeta without flags. adb reboot bootloader. Restart bootloader, shows locked. 8. No bit of data escapes it, including what you see under /storage . Mi Unlock Tool. 6 days ago · Step 3: The Android Device Manager dashboard will appear, showing your Realme locked. zip. please, like us on:================== Youtube: https: Mar 16, 2023 · How to root the Samsung Galaxy S23 with Magisk. Make sure to backup device before attempting. Now that we know why you are facing the issue “This MIUI Version can’t be installed on this device. This article explains how to unlock the bootloader on an Android phone. Hope you appreciate my efforts,If you did DO give this video like & subscribe. 9. Choose Volume up long press: Device unlock mode. Pull down the notification shade and select Charging this device via USB. Note: If you need to flash and test your own AOSP changes, refer to Flash your device with Fastboot. That's it. It activates the Android operating system on Galaxy A04s (SM-A047F, SM-A047M). Step 7: Log in to your Mi account with the tool GUI. Click lock. Effortlessly remove various Android lock screen, including PIN, pattern, password, fingerprint & face lock. 4. This serves as a security precaution, primarily where the default recovery and firmware is installed. I think this is the normal behavior. I have no idea what the PIN code is, and I'm currently trying to simply wipe, or, if wiping doesn't work, install a custom ROM on it Jan 1, 2024 · Fixing a Hard-Bricked Xiaomi Phone With a Locked Bootloader. -Then Unlock your Bootloader by the code you have received. Apr 5, 2013 · 45. @Robert Latest one available for the Nexus 7 2013 WiFi, i. The bootloader will be unlocked and the device will be reset. ago. Because: Oct 29, 2021 · Q Is it possible to bypass the lockscreen using adb without a factory reset. open the boot edl mode folder and click the edl. technobuzz. Once done, your phone will reboot into the OS. Relocking the Bootloader on OnePlus Nord. Here are instructions for using the QFIL tool to restore your kernel or bootloader if somehow you break your locked-bootloader setup. sorry but there is not way around it. Jun 8, 2024 · fastboot devies. For the same reason Android doesn’t come rooted, it doesn’t come unlocked – with more Mar 13, 2024 · STEP 7: Relock Bootloader on Android. flash. No!!! Don't! Locking the bootloader triggers vbmeta, AVB, AVB 2. DragonBoard RB3 (also known as db845c) Jun 23, 2015 · Procedure :-. edit: It seems to wipe data while locking too nowadays! Mar 25, 2019 · I wasn't aware locking the bootloader wiped anything. type the below command and press the Enter key to execute it. Plug your phone into your computer via a USB-C to USB-A Cable. marstonpear said: Hi, I am writing this guide because many people followed other guides in the forum and lost their data. Xiaomi unlock bootloader is an official and safe way to unlock the bootloader without any risk of bricking your device. (Bonus) Step 4 Oct 16, 2023 · Step 1. Hold power & volume down, keep the volume down button pressed! 3. Step 1: Download and install the Samsung Bootloader Unlock tool on your PC. So I'm considering re-lock the bootloader. Step 2 - Unlock the bootloader of your phone. Set aside half an hour, take a full backup, and issue the fastboot oem lock command. You can write anything Mar 25, 2024 · Go to Settings on your Samsung mobile. Press and hold Volume Down + Bixby + Power buttons together until the bootloader screen appears. Feb 23, 2020. 3- Device stays in fastboot, check bootloader status in fastboot mode by typing. therefore your last sentence is wrong. bat file. Go through the entire process and reset your handset again. Not possible. 0 - Read the whole guide before proceeding and proceed at your own risk! 1 - Make sure you have adb and fastboot installed Feb 11, 2016 · Here's how to unlock your bootloader the official way. Then tap Lock > And enter a message and phone number to display on the lock screen and tap Lock. There are three options available: ring, lock, and erase. First, locate your phone on Find My Device. Continue with TWRP flash & Root (Magisk) as by next week TWRP will be available. Sep 22, 2022 · Using the standard XIAOMI batch unlock tool, WHILE you click UNLOCK or after issuing. open the zip file and extract the contents. Here are some of the best bootloader unlock tool for Android for Android that you can use for free in 2024: 1. Easily Unlock Android FRP/Google account verification without password. fastboot flashing lock. Install latest Android tools, then unlock with Fastboot. Mar 24, 2023 · In this video tutorial, we will guide you step-by-step on how to lock the bootloader on all Google Pixel devices, including the latest models such as the Pix We would like to show you a description here but the site won’t allow us. Oct 7, 2016 · Connect your Pixel device to the PC with a USB cable. Finally, restart your device. The general advice is that if you think you every want to root, unlock right after you get the phone. 0. input keyevent 26. Step 5 Connect your phone to your computer. Step 6: Unlock Your Android Device Bootloader Using Fastboot. May 23, 2024 · But you need to note that your Android phone should run Android 7. Nov 24, 2022 · 5. I wanted to unlock the bootloader of my OnePlus 6 , but there at the last step it shows unlocking will erase everything , is there any was to bypass this . Step 5: Connect your phone to the PC and verify the connection. 3 as of today or whatever latest at the time you have the device. Oct 16, 2020 · Step 3: Enable USB Debugging and OEM Unlocking on Your Device. Apr 8, 2020 · If the device supports flashing unlock, then the bootloader should indicate the lock status by setting the kernel command line variable androidboot. When the process completes, the device will be back to absolute factory. Worry-free purchase experience with our 60-day money back guarantee. Use command: fastboot reboot. DroidKit is a complete Android phone solution, which allows you to recover lost Android data, unlock Android phone and repair Android system. STEP 1: Install Android SDK. It's a security concern. 5. img and boot. bin file from this ZIP file with the command: fastboot flash logo logo. You can also try the command fastboot oem unlock-go. Because it is created by a third party, a custom recovery is not signed with the manufacturer’s keys, and therefore a device’s bootloader needs to be unlocked in order to boot or flash it. Locking bootloader doesn't wipe data, unlock bootloader does that as far as i know. Simply put, fastboot oem lock puts your bootloader into a mode that prevents you from overwriting your recovery image, without a subsequent fastboot oem unlock. ) Once power key is pressed, it lands in boot loader. Aug 30, 2021 · How to unlock bootloader without Data Loss. Dec 17, 2020 · Use the Volume keys to highlight ‘ UNLOCK THE BOOTLOADER ‘ and press the Power button to confirm the unlock process. Step 3: Launch the bootloader unlock tool and follow the on-screen instructions to unlock the bootloader. xx re wn wq ao kr ju gi or vp