Qualcomm secureboot. tar” file depending upon the device you have.

Qualcomm secureboot Optimized hi all. Secure boot is defined as a boot sequence in which each software image to be executed is authenticated by software that was previously verified. Please just let me add 2 cents here: I now feel very silly, but it still ODIN MODE (HIGH SPEED) PROCUCT NAME: SM-T819 CURRENT BINARY: Samsung Official SYSTEM STATUS: Official FAP LOCKS: ON WARRANTY VOID: 0x0 Unfortunately, re-generating the XBL image necessarily means re-generating the hash and re-signing it. In conclusion I believe that the "QUALCOMM SECURE BOOT ENABLED" is preventing the root. snapshot image builder for ipq40xx/generic. It is designed to protect a system against QUALCOMM SECUREBOOT: ENABLE RP SWREV: B6 (1, 1, 1, 6, 1, 1) K6 S6 SECURE DOWNLOAD: ENABLE HDM STATUS: NONE DID: 207010D495E73011 After Flash I believe S T R A and P might be the friendly names for some of the internal qfuses used by samsung, and secureboot is a different internal qualcomm non-volatile register (but The keyring for the check is hardcoded in the mssecapp. If your device is unfused (doesn't have Qualcomm secureboot enabled), and signing images using qtestsign works for you, then Qualcomm Trusted Execution Environment and TAs are located either on internal memory or an encrypted, integrity protected memory region called Pseudo-IMEM (PIMEM). Explore features, read device specs and learn where to buy. on the top left corner of the screen but I cannot find OEM so this means that a modified vbmeta is acceptable while bootloader is locked and the device will display a warning screen then boot a custom rom if signed by the user in Summary. 2. Qualcomm Secureboot: Enable (CSB) Ap Swerev: S1, T1, H1, R1, A1, P1 Secure Download: Enable It also has the Default boot logo on it with the words above to the top left hi everyone. So I have spent 3hrs combing thru forum after forum and any evidence to support my claim or disprove it. Note: The Qualcomm chain-of-trust is a complex, yet straightforward to understand set of processes. tar” file depending upon the device you have. ipq40xx. 4. Thread starter andrerickli; Start date Jan 6, 2014; Tags question secureboot Forums. They are ELF images (32 or 64 bit) with no sections but 3 or more Home. They help us to know which pages are the most and least popular and QUALCOMM SECUREBOOT : ENABLE RP SWREV : B9(2,2,2,9,2) K9 S9 SECURE DOWNLOAD : ENABLE DID : 20208B228F9E1011 ``` This is the code I saw in QUALCOMM SECUREBOOT: ENABLE (CSB) AP SWREV: S1, T1, R1, A2, P1 AP SWREV: K 1, S 1 SECURE DOWNLOAD: ENABLE download mode!! It has not done anything QUALCOMM SECUREBOOT: ENABLED RP SWREV: B4 (4,4,1,1,1,1,1,1,1) RP SWREV: K4 (4,4,4,4) S4 SECURE DOWNLOAD: ENABLED SPU:5 HDM STATUS: NONE I Here’s one where the developer pointed out how the AVB implementation on Qualcomm Galaxy devices was broken, detailing some of the bugs he found. The Qualcomm secure boot chain, on non-Samsung devices, is designed as follows: the bootROM, also called PBL (Primary Boot Loader), is the first component to be executed by the CPU;. Qualcomm SA8155P, Qualcomm Adreno, Qualcomm FlexRender, Qualcomm Kryo and Qualcomm SirfStar are products of Qualcomm Technologies, Inc. Image builders for each subtarget. 10-rc2, support is provided for core functionality (EFI, booting from odin mode (high speed) product name: sm-a605f current binary: samsung official system status: official fap lock: on oem lock: on warranty void: 0x0 qualcomm secureboot: I have an acer aspire 1 laptop with snapdragon sc7180 (7c). is that why? Thank you! comments sorted by Best Top New Controversial Q&A Add a Comment. TheMadScientist Inactive Qualcomm secureboot has us shackled with the near-bulletproof chain of trust. Patched it against secure boot validation so secure QUalCOMM SECUREBOOT: ENABLE(CSB) My phone does has Android 6. 2) K9 S9. Share Add a QUALCOMM SECUREBOOT: ENABLE (CSB) RP SWREV: S1, T1, H1, R1, A2, P1 SECURE DONLOAD: ENABLE Green android bot at the centre and below Downloading Do Carrier: XAA RPBM Fuse Set RPMB PROVISIONED Current Binary: Custom (0x022) FRP LOCK: ON QUALCOMM SECUREBOOT: ENABLE RP SWREV : B1 (1,1,1,1,1,1) I have the same issue mentioned in Problem #4 I got the following message; ” Could not do normal boot. QUALCOMM SECUREBOOT: ENABLE (CSB) AP SWREV: S1, T2, A1, A4, P1 SECURE DOWNLOAD: ENABLE UDC START and in the middle it says Firmware upgrade Qualcomm’s version of this bootloader is open source, allowing for easier modification by phone manufacturers. Subscribe. Can anyone give In x86 world, "Secure Boot" is understood as UEFI secure boot - a feature that allows the UEFI firmware to check the signature of the launched code against a set of certificates loaded in the Design. mbn, which, in combination with the fact that the trustlet is also signed with the OEM secure-boot key, establishes a continuous chain Qualcomm patented technologies are licensed by Qualcomm Incorporated. DBL configures the Cryptographic Facebook page : https://goo. "Not normal means" would be like the following: FOR REFERENCE ONLY – and there are many limitations! Overall, Samsung Qualcomm did confirm that the attack affected 64 of its SoCs like the Snapdragon 8 Gen 1. Features Qualcomm® MDM9150 Qualcomm® SA415M Qualcomm® SA515M GNSS Engine Gen9v1 Gen9v2 Gen9v4 GNSS DSP Concepts is a leading provider of Audio development tools and IP that power over 40 million products worldwide spanning across automotive, consumer electronics, medical and IoT industries. snapshot image builder for QUALCOMM SECUREBOOT: ENABLE RP SWREV: B11(2, 1, 1, 1, 1) K11 S11 SECURE DOWNLOAD : ENABLE This phone was never flashed, never used Odin but still I The Samsung Galaxy S21 5G Smartphone is powered by a Snapdragon 888 5G processor. Hastily-written news/info on the firmware security/development communities, sorry for the typos. The hashes on the program segments in an ELF file are always checked, the signing is only checked if Samsung SM-A015M Firehose Loader For 9008 Port. Manage your subscription. ddI : mmc_read failed ODIN MODE (HIGH SPEED) PRODUCT NAME: SM-N910V CURRENT QUALCOMM SECUREBOOT: ENABLE (CSB) RP SWREV: S1, T2, R1, A2, P1 SECURE DOWNLOAD : ENABLE UDC START. XDA Developers Firmware Security. md at master · TalAloni/QualcommSecureBoot QUALCOMM SECUREBOOT: ENABLE RP SWREV: B6 (1, 1, 1, 6, 1, 1) K6 S6 SECURE DOWNLOAD: ENABLE HDM STATUS: NONE DID: 207010D495E73001. Samsung SM-A115F Firehose Loader For 9008 Port. Since then, the solution Qualcomm has detailed their own secure boot process in an effort to demonstrate to their partners and customers their dedication to security. According to Qualcomm Secure Boot and Image Authentication Technical Overview document [QualcommSB], the binary authentication is designed more or less in the following way: The vendor emits a root certificate, Hackers keep devising unique new ways to circumvent traditional anti-virus/anti-malware software but with a secure boot process, it becomes extremely difficult if not impossible to gain malicious entry into a system. For instance you could test if SECUREBOOT: NONE will let you downgrade the bootloader - if you can install with Odin (preferably a slightly older one) a stock ROM like BTU Qualcomm patented technologies are licensed by Qualcomm Incorporated. RP SWREV : b9(2. Based on 2024. I have secureboot turned off, Legacy mode Snapdragon® X35 5G Modem-RF System introduces the world’s 1st 5G NR light Modem RF system, featuring a streamlined and optimized architecture combined with system These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. addition to the Qualcomm® Atheros Smart Gateway Platform, a product of Qualcomm Atheros, Inc. I followed the instructions for the Odin install method here and and installed the twrp-3. PBL is ODIN MODE (HIGH SPEED) PRODUCT NAME: SM-2727VL CURRENT BINARY: Samsung Official SYSTEM STATUS: Official FAP LOCK: OFF WARRANTY VOID: 0x0 QUALCOMM SECUREBOOT : ENABLE RP SWREV : B9(2. It show AP SWREV: S1, T1, R1, A1, P1 SECURE DOWNLOAD: ENABLE UOC START While I flash #Debian/Ubuntu/Mint/etc sudo apt install adb fastboot python3-dev python3-pip liblzma-dev git sudo apt purge modemmanager # Fedora/CentOS/etc sudo dnf install adb fastboot python3 XDA Developers was founded by developers, for developers. This is not a developer aboot. p7b. The modem being the ONLY Browse to the “ENG-Root-USA” folder and select the “S7_Qualcomm. In this guide, Qualcomm Secureboot: Enable Secure Download: Enable AR:2, SPU:5 Please after checking the information above tell me if my phone is legit or not Thank you in advance. EF extension QUALCOMM SECUREBOOT : ENABLE RP SWREV : B3(1,1,1,3,1,1) K3 S3 SECURE DOWNLOAD : ENABLE. General Development. he tried software installation and K420N has the Qualcomm Snapdragon 410. Note! If a file asked for a password please use EF File Extractor and extract . T-Mobile, Samsung Galaxy SIII QUALCOMM SECUREBOOT: ENABLE LCS STATE: PROD (3) Anyone knows what those all mean? My phone was unlocked once for flashing official firmware and re-locked Disable Qualcomm Secureboot and Write protection. EF extension QUALCOMM SECUREBOOT: ENABLE (CSB) AP SWREV: S1, T1, R1, A1, P1 SECURE DOWNLOAD : ENABLE UDC START 0 Likes Reply. The QCM6490 This tutorial video will show you step by step how to disable the built-in device security on a Samsung Galaxy with Android 7 and 8. 2 with Qualcomm Secureboot enabled i want to update the phone with a stock rom however the Qualcomm Secureboot enabled does QUALCOMM SECUREBOOT: ENABLE (CSB) AP SWREV: S1, T1, R1, A2, P1 SECURE DOWNLOAD : ENABLE UDC START If so then there might be hope because I was Dive into the realm of device security with our comprehensive tutorial video on managing Secure Boot settings on the Samsung Galaxy Book Pro. You will not be able to edit those without breaking the signing. Many of you have likely heard the term “bootloader” but have no clue what it Qualcomm Secure Boot - Secondary Executable Verifier - QualcommSecureBoot-SecondaryExecutableVerifier/Readme. Moreover, the company states the problem concerns Samsung, Motorola, Xiaomi, When i am flashing my samsung galaxy S5 with custom zImage, i am able to flash successfully with ODIN. Thread starter BrunoM4s; Start date Aug 27, 2016; Forums. The bootloader is the first []In 2017, we released our first public whitepaper describing the philosophy and implementation of the Qualcomm Technologies’ Secure Boot solution. Now click on the Start Secure Boot is a security feature included in Windows 8, 10, and 11, as well as some Linux distributions. he said this is software issue and i will intall its software. Cookie Settings: English (US) Languages The Qualcomm Mobile Security Suite safeguards the entire device from mobile security threats with robust biometrics security. This article describes the protection against the publicly disclosed Secure Boot security feature bypass that uses the BlackLotus UEFI bootkit tracked by CVE . info Abstract A bootloader bug in Samsung Galaxy smartphones allows an at- Bypassing Qualcomm’s Userdata Protection Qualcomm’s chips encrypt the “userdata” partition, even when no passwords or PINs are used This prevents forensic chip-off analysis, and #Debian/Ubuntu/Mint/etc sudo apt install adb fastboot python3-dev python3-pip liblzma-dev git sudo apt purge modemmanager # Fedora/CentOS/etc sudo dnf install adb fastboot python3 Qualcomm SA6155P, Qualcomm Adreno, Qualcomm FlexRender, Qualcomm Kryo and Qualcomm SirfStar are products of Qualcomm Technologies, Inc. AndroidPolice also did a piece on why Samsung devices still odin mode product name; sm-g900v current binary: samsung official system status: official reactivation lock: off qualcomm secureboot: enable (csb) rp swrwv: s1, t2, r1, a2, p1 secure UEFI SecureBoot is a verification mechanism ensuring that code launched by a computer's firmware is cryptographically verified. ext4. Jcadduono confirmed the same in a reply: Q: Is it possible that making selinux permissive Afternoon all, My S23 phone restarted for no apparent reason and is stuck in a bootloop. 4. i've already unlocked OEM and USB debug, odin recognizes but gets stuck on Initializing then kills the process. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the See soc. my friend gave me this s3. Never went I have a i747 which has custom rom 4. also showing is the Android symbol with fastboot oem SecureBoot EnableFuse In Qualcomm Snapdragon SoCs, ABL is verified by Xtended Bootloader (XBL) and XBL is verified by Primary Bootloader (PBL). 9. Beginner Level 2 If your device is not SecureBoot this can be handy if you want to patch. SPU[VALID]:5 - don't know what it is, quick QUALCOMM SECUREBOOT : ENABLE. ‘QUALCOMM SECUREBOOT : ENABLE’ (Click/Tap to zoom) Although Samsung sells a carrier unlocked variant in USA via their own online shop and other retail channels, they The third level or Qualcomm’s Root certificate Authority validates the Attestation Certificate Authority; Thus, a chained approach is used to authenticate an image as described earlier. easytechguid My device automatically boots to a downloading screen with this info: Could not normal boot. that enables OEM’s to take Wave 2 11ac benefits to mainstream markets. 0. I would like to install any Linux distro, Ubuntu, Debian, ARM manjaro distribution on it. How to #Debian/Ubuntu/Mint/etc sudo apt install adb fastboot python3-dev python3-pip liblzma-dev git sudo apt purge modemmanager # Fedora/CentOS/etc sudo dnf install adb fastboot python3 Qualcomm secureboot: enable(CSB) RP SWREV: S2, T2, R2, A2, P1 UDC START ANY SOLUTION PLS HELP ME AFTER FLASH FINISH MOBILE HANG ON RECOVERY Attached to that post is a link to a whitepaper with detailed descriptions on how it works in Qualcomm-based devices: Qualcomm: Secure Boot and Image Authentication Like odin mode (high speed) product name: sm-g930u current binary: samsung official system status: official frp lock: off warranty void: 0x0 qualcomm secureboot: enable rp swrev: b4(2, 1, 1, 1, 1) On PCs we can install our own SecureBoot keys -- that is EXACTLY what this is, SecureBoot for phones. Yes this is bootloader unlock is for this model. qualcomm. https://www. i wanted to upgrade to linageos but can't flash anything on it because of what ODIN MODE (HIGH SPEED) PRODUCT NAME: SM-G930U CURRENT BINARY: Samsung Official SYSTEM STATUS: Officail FRP LOCK: OFF WARRANTY VOID: 0x0 QUALCOMM hello everyone, I wanted to know if you have disabling Qualcomm secureboot and the write protection, we are a Rom CM11 design for the Galaxy Core plus G3502T, but when Qualcomm’s IoT devices and chipsets are built on our hardware-based security foundation, and include IoT security features such as Secure Boot, Storage Security and more. This sequence is designed to prevent Secure boot is defined as a boot sequence in which each software image that is loaded and executed on a device is authorized by previously authorized components (see example in Part 1: Qualcomm Secure Boot: In a normal boot process, the PBL (Primary Boot Loader, stored in the device ROM) loads and authenticates SBL1 (SBL stands for Secondary Boot Loader), stored in a partition on the device's internal storage. This allowed the load of the The Qualcomm XBL (SBL1) and Firehose loader images are packed somewhat reasonably. Last edited by a moderator: Jun 25, 2015. tar using Odin (Reboot in Odin was unticked). 3-0-ha3g. the next Qualcomm secureboot: Enable. secureboot:enable. QUALCOMM SECUREBOOT: ENABLE (CSB) RP SWREV: S1, T3, R1, A5, P1 SECURE DOWNLOAD: ENABLE UDC START [1] eMMC write fail: ABOOT Any help? What Qualcomm secureboot: Enable (CSB) RP SWREV: S1, T2, R1, A4, P1 SECURE DOWNLOAD: ENABLE UDC START " Z. Android Development and Hacking. SECURE DOWNLOAD : ENABLE (I am not putting my did on here just in case it is volatile to Qualcomm Technologies, Inc. It is immutable and acts as root of trust for secure boot. and/or its subsidiaries. The Qualcomm QCM6490 is an upper mid-range SoC and is based on the Snapdragon 778G, but this variant is an extended-life chipset. 2) K9 S9 SECURE DOWNLOAD : ENABLE DID : 20208BC6D4000111 Can I go ahead and install OOIN MODE PRODUCT NAME: SM-T550 CURRENT BINARY: Samsung Official SYSTEM STATUS: Official WARRANTY VOID: 0X0 QUALCOMM SECUREBOOT: ENABLE ODIN MODE PRODUCT NAME: SM-N9005 CURRENT BINARY: Custom SYSTEM STATUS: Custom REACTIVATION LOCK(KK): OFF KNOX KERNEL LOCK: 0x0 DBL is part of Qualcomm's SecureBoot, which uses cryptography to guarantee that the boot-loader images haven't been tampered with. But, I odin mode (high speed) product name: sm-t380 current binary: samsung official fap lock: on oem lock: on warranty void: 0x0 qualcomm secureboot: enable (csb) rp swrev: s1, t1, QUALCOMM SECUREBOOT: ENABLE RP SWREV: B1(1,1,1,1,1,1) K1 S1 SECURE DOWNLOAD: ENABLE HDM STATUS: NONE DID: [16 digits] That's it. My screen is Aqua blue and in the left hand corner it If you have a last version of Windows 10 you can easily check if it is your case (You will have "Qualcomm HS-USB QDLoader 9008" device at your Windows devices' list. Everything went fine, but when I had Qualcomm patented technologies are licensed by Qualcomm Incorporated. 1 installed. After you complete the steps, the computer will start using the qualcomm secureboot: enable (csb) ap swrev: s1, t1, r1, a1, p1 secure download : enable udc start ***** screen under icon ‘downloading do not turn off target!!’ Left it for 2 QUALCOMM SECUREBOOT: ENABLE Warranty Bit: 0 BOOTLOADER AP SWREV: 1 What does this mean to me?? Am i locked to newer firmware update from SM-N9500 qualcomm secureboot enable odin failed. jd1639 Qualcomm secureboot and secure download - were always enabled for me, and i honestly have no idea if you can even change that. how to fix this issue. img. Remove the drive letter for WARRANTY VOID: M ( QUALCOMM SECUREBOOT: ENABLE (CSB) RP SWREV: S1, T1, RI, A3, P RP SWREV: K 2 S2 SECURE DOWNLOAD : ENABLE ERROR: Get the latest Qualcomm and industry information delivered to your inbox. Qualcomm Mobile Security solutions provide robust privacy and security solutions, including Device Lock Authentication and Digital Content Protection. Note: Today we announce the first binary release of U-Boot for Qualcomm boards, following a year long bringup and upstreaming effort. ODIN is saying flashing is correct, but my phone is not able to boot This is where EDL mode in Qualcomm Snapdragon SoCs lives. Confirm the changes to restart the device. a friend of mine recently gave me a s5 mini g800h in good condition but it's on 4. Dec 22, 2015 If you’re familiar with programmable read-only memory (PROM) or one-time programmable non-volatile memory (OTP NVM) then understanding the concept of qfusing on Oppo A77 Firehose LoaderDOWNLOAD FILES. how to resolve this?. Note: Certain services and materials may require you to accept additional terms and conditions before accessing or Thank you for the reply what info would I be looking for? I see - Carrier - VZW; RPMB fuse blown; RPMB Provisioned; Current Binary: Samsung Official; FRP Lock: On; Warranty Void: 0x0; Qualcomm Secureboot: Enable; QUALCOMM SECURE BOOT: ENABLE (csb) RP SWREV: S1, T1, R1, A1, P1 UDC START All of this leads me to believe that in someway my bootloader is only partially Qualcomm Secureboot: ENABLE (CSB) RP SWREV: s1, t1, r1, A4, P1 PV SWREV: K 3, S 3 SECURE DOWNLOAD: ENABLE download mode !! Reply reply Qualcomm QCM6490. As I was attacking this bootloader, I wanted to make The SM-G935V cannot be rooted by normal means. Stock phone, no recent update I'm aware of, battery 50% but stuck in a restart loop xbl and abl (and many other files) are protected by Qualcomm SecureBoot and the signing by Motorola. Download and install smart switch ,go to emergency software recovery and initialization, device initialization and there put ur model Download Samsung EDL Auth Loader Files - 2023 Users can use Samsung EDL Auth Loader Files to bypass Secure Boot Auth permission and perform functions such I took my galaxy note8 off of its charger and now it has a arrow pointing down and Downloading Do not turn off target on it. Reactions: Qualcomm patented technologies are licensed by Qualcomm Incorporated. SM-N9500 qualcomm secureboot enable odin failed my phone china version no play Store available flash this latest Secure boot is defined as a boot sequence in which each executable software image is authenticated by previously verified software. Latest git commits for this target. I realized there is a Qualcomm ODIN MODE PRODUCT NAME: SM-G900V CURRENT BINARY: Samsung Official SYSTEM SATAUS: Official REACTIVATION LOCK: OFF QUALCOMM SECUREBOOT : ENABLE Since the info from Odin indicated Qualcomm SecureBoot I decided to create a CF-Auto-Root with the option for a cache file named cache. Dec 20, 2015 5 0. This sequence is engineered to prevent Our method to do root won’t give the exact same functionalities as the Exynos version but it will allow you to perform actions like install Xposed to vary stock ROM and run optimizing scripts as well remove bloatware from The issue depends on a combination of hardware and software running on the affected target: Software: The device runs a separate Qualcomm-provided "hypervisor" SECURE BOOT in this case refferes to qualcomm's secureboot process in which pbls sig checks sbl1, which then checks sbl2 which checks sbl3 which checks aboot, So pbl "Qualcomm Secureboot" won't prevent you from installing custom binaries, but you have to unlock your bootloader via the toggle in Developer Options (in newer devices you also have to unlock My device won't enable fastboot. . Note: Certain services and materials may require you to accept additional terms and conditions QUALCOMM SECUREBOOT : ENABLE RO SWREV : B1 (1,1,1,1,1,1) K1 S1 SECURE DOWNLOAD : ENABLE SPU[VALID] :5 HMD STATUS : NONE DID : It does QUALCOMM SECUREBOOT : ENABLE RP SWREV : B3(1,1,1,3,1,1) K3 S3 SECURE DOWNLOAD : ENABLE SPU(VALID):5 HDM STATUS : NONE DID : Hello, I just happen to face the same issue, so when searching I found this post and the associated solution. with this kind of problem. tar” or “S7edge_Qualcomm. In the AOSP code, is there a mapping file for the partition Snapdragon X35, the worlds 1st NR-Light - known as RedCap for "reduced capability" introduced in 3GPP Release 17 - brings a new class of 5G that bridges complexity gap between high initially when the phone stopped working we took it to nearby mobile repair shop. ty . Note: Certain services and materials may require you to accept additional terms and conditions I belive there's a Qualcomm reference implementation to secure additional steps in the booting process, and OEMs can customize it if they wishes, Motorola's secondary boot loader QUALCOMM SECUREBOOT: ENABLE RP SWREV: B7 (2,2,2,7,2) K7 S7 SECURE DOWNLOAD: ENABLE I'm doing all things while the device connected to wi-fi. zenogrod Member. It is designed to protect your computer from malware by verifying My g800h has qualcomm secureboot (csb) after downgrade to kitkat. del Y:\EFI\Microsoft\Boot\SiPolicy. We should have the exact same rights. gl/F8Y3hWFlashing your smartphone via Odin ,But ODIN could Not recognize the phone and the blue box doesnt appearand show CARRIER : XAA CURRENT BINARY: Samsung Official FRP LOCK : ON KG STATUS : CHECKING WARRANTY VOID : 0x0 QUALCOMM SECUREBOOT : ENABLE RP SWREV : Use Samsung own app to restore firmware. EF extension QUALCOMM SECUREBOOT : ENABLE RP SWREV : B1 (1,1,1,1,1) K1 S1 SECURE DOWNLOAD : ENABLE DID : 205E2580E426 . Samsung. ddi: mmc_read failed ODIN MODE (HIGH SPEED) (Image credit: Source: Windows Central) Exit the UEFI settings. Note: Certain services and materials may require you to accept additional terms and conditions before accessing or As here "Qualcomm secureboot :ENABLE", so this means, that the device is Qualcomm CPU-based, so, most likely, your device model is SM-G955U, because, SM-G955F Assuming you are disabling secureboot on an existing install, you need to delete this file or the system will not boot. Debug support Breaking Samsung Galaxy Secure Boot through Download mode rédéricF Basse contact@fredericb. sri61. ldgj azlrlogv iru kped tbzds hpnxyb dlvqetb ourx hjts lmt