A730f U7 Auto Patch File May 2026
In the world of Samsung device repair and customization, few topics generate as much confusion—and demand—as the search for the correct a730f u7 auto patch file. If you own a Samsung Galaxy A7 (2018) with the Exynos 7885 chipset, specifically running on bootloader version U7 (Bit 7), you have likely encountered obstacles when trying to bypass Factory Reset Protection (FRP), root your device, or recover from a boot loop.
This article serves as your definitive resource. We will break down what the "a730f u7 auto patch file" is, why it is critical for your device, how to use it safely, and where to find legitimate versions to avoid bricking your phone.
The primary use case for this file is SIM Unlocking. To network unlock a Samsung device using tools like Chimera Tool, Z3X Box, or Octoplus, the technician often needs to:
The "a730f u7 auto patch file" represents a specific solution for updating and enhancing the software of a particular device or set of devices. By automating the patch application process, such files offer a convenient and efficient way to maintain device health and security. However, users should approach any update with caution, understanding the potential benefits and risks involved.
Understanding the A730F U7 Auto Patch: A Guide for Samsung Galaxy A8+ (2018) Users
If you are a Samsung Galaxy A8+ (2018) enthusiast or a technician, you’ve likely encountered the complexities of "Binary" or "Bit" versions. Specifically, when dealing with the A730F model on U7 (Binary 7), standard rooting or network repair methods often result in "NG" status or "Emergency Calls Only" errors.
This is where the A730F U7 Auto Patch file becomes an essential tool. What is the A730F U7 Auto Patch File?
In the world of Samsung firmware, the "U" or "S" number (like U7) represents the security bit version. Once you update your phone to a higher binary, you cannot downgrade to a lower one.
An Auto Patch file is a modified image (usually a boot.img or a specialized system patch) designed to fix the network signal after rooting or performing an IMEI repair. For the A730F U7, this file automates the process of "Patching Certificate," ensuring that the phone's modem registers correctly with cellular towers without requiring expensive professional boxes for every step. Why Do You Need It?
Network Repair: After using tools like Z3X, Chimera, or Octoplus to repair an IMEI, the status often remains "NG." The patch file flips this to "OK."
Rooting Side Effects: Rooting with Magisk can sometimes break the integrity of the network certificate. This file restores connectivity while maintaining root.
Efficiency: Instead of manual patching via complex shell commands, the "Auto" patch is flashed via Odin, saving time and reducing the risk of a soft brick. Prerequisites Before Flashing
Before you search for a download link, ensure your device meets these criteria: Model Number: Must be SM-A730F.
Binary Version: Must be U7 (Check this in Download Mode or Settings > About > Software Info > Build Number).
Bootloader Unlocked: You must have "OEM Unlocking" enabled and the bootloader unlocked. Battery: At least 50% to prevent shutdown during the flash. How to Use the A730F U7 Auto Patch File
While specific files may vary by provider, the general workflow is as follows:
Enter Download Mode: Power off your device. Hold Volume Down + Volume Up and connect to your PC via USB.
Open Odin: Use the latest version of Odin (v3.14.4 is recommended for newer Samsung binaries).
Load the File: Click the AP button and select the A730F_U7_Auto_Patch_File.tar.
Flash: Click "Start." The phone will reboot once the process is complete.
Verify: Once the phone boots, wait about 30 seconds. You should see bars appearing where "No Service" used to be. Common Troubleshooting
Bootloop: If the device hangs on the logo, enter Recovery Mode and perform a "Wipe Cache Partition."
Odin Fail: This usually happens if you try to flash a U7 file on a U8 or U6 device. Always verify your binary version first.
Still No Network: Ensure that your IMEI is valid and not blacklisted by your carrier. Conclusion
The A730F U7 Auto Patch file is a lifesaver for maintaining the Samsung Galaxy A8+ in 2024 and beyond. By bypassing the manual complexities of certificate patching, it allows users to enjoy a rooted device with full network functionality.
Disclaimer: Modifying your device's firmware can void your warranty and carries a risk of data loss. Always back up your important files before proceeding.
A730F U7 auto patch file a specialized system component used by mobile technicians to fix network and IMEI issues on the Samsung Galaxy A8+ (2018) (SM-A730F) running binary (Bit 7) firmware What is the A730F U7 Auto Patch?
This file is typically used after an IMEI repair or change to restore the device's ability to connect to a mobile network. In many cases, Samsung devices will show "Emergency Calls Only" or "No Service" after low-level software modifications; the "patch certificate" or "auto patch" process authenticates the device's signal credentials to restore full service. Key Specifications Model Compatibility: Samsung Galaxy A8+ (2018) / SM-A730F. Binary/Bit Level:
(Ensure your device firmware matches this version, as flashing a lower binary version will result in a "Binary Check Fail" error).
Repairing "NG" (Next Generation) network status, fixing "Emergency Calls Only," and patching certificates after IMEI repair. Tools Required for Patching
To apply an auto patch file or perform a certificate patch, technicians generally use professional GSM service tools: Chimera Tool
: Features a one-click "Repair IMEI" and "Patch Certificate" function specifically for Exynos-based devices like the A730F. Z3X Samsung Tool Pro
: A standard tool for flashing "Patch Cert" files and repairing network issues on older Samsung binaries. Octoplus Samsung
: Often used to write firmware or patch certificates for the A730F series. Standard Procedure Enable Developer Options USB Debugging OEM Unlocking on the device.
: Most patch processes require the device to be rooted (using Magisk or a pre-rooted boot file) to allow the service tool to modify system partitions. Repair IMEI
: If the IMEI is null or "000000," it must be repaired first using a tool like Apply Patch
: Select the "Patch Certificate" or "Auto Patch" option in your service software. The device will typically reboot, after which network signal should be restored. Critical Warning Modifying IMEI numbers or using "patch" files can be
in many jurisdictions and may void your device warranty. Always ensure you are following local laws and have backed up your EFS/NV Data partitions before proceeding. specifically for this patch?
The Ultimate Guide to A730F U7 Auto Patch File: Unlocking the Full Potential of Your Device
In the world of mobile technology, firmware updates play a crucial role in ensuring that your device stays up-to-date with the latest features, security patches, and performance enhancements. One such firmware update that has gained significant attention in recent times is the A730F U7 auto patch file. In this article, we will delve into the details of what this patch file is, its benefits, and how to install it on your device.
What is A730F U7 Auto Patch File?
The A730F U7 auto patch file is a firmware update designed for mobile devices, specifically for models running on Android operating systems. This patch file is intended to fix various issues, improve performance, and enhance the overall user experience of the device. The "A730F" refers to the specific model of the device, while "U7" denotes the version of the firmware update. a730f u7 auto patch file
Benefits of A730F U7 Auto Patch File
So, what benefits can you expect from installing the A730F U7 auto patch file on your device? Here are a few:
How to Install A730F U7 Auto Patch File
Before installing the A730F U7 auto patch file, it is essential to take a few precautions:
Now, here are the steps to install the A730F U7 auto patch file:
Method 1: Using the Official Firmware Update Tool
Method 2: Using a Third-Party Firmware Update Tool
Common Issues and Solutions
While installing the A730F U7 auto patch file, you may encounter some issues. Here are some common problems and their solutions:
Conclusion
The A730F U7 auto patch file is a valuable firmware update that can enhance the performance, security, and overall user experience of your device. By following the steps outlined in this article, you can easily install the patch file and unlock the full potential of your device. Remember to always backup your data, use a stable internet connection, and follow the recommended installation methods to ensure a smooth update process. If you encounter any issues, refer to the common issues and solutions section or seek assistance from a professional.
The A730F U7 auto patch file is a specialized firmware component—often a modified modem or CP (Core Processor) file—designed for the Samsung Galaxy A8+ (SM-A730F) Go to product viewer dialog for this item.
running binary version 7 (U7). It is primarily used to restore cellular network functionality after an IMEI repair or to bypass security-related signal blocks. Key Technical Details Target Device: Samsung Galaxy A8 Plus (SM-A730F)
Binary Version: U7 (Bit 7). It is critical that this matches your device's binary level; you cannot downgrade the binary version.
Android Version: Typically associated with Android 9 Pie firmware. Primary Uses
IMEI Repair Completion: After changing or repairing an IMEI using service tools like Z3X Samsung Tool or Octoplus, the device often remains in "Emergency Calls Only" mode. The auto patch file "certificates" the network to allow signal registration.
Fixing "NG" Status: If the device's IMEI status is "NG" (Next Generation/Not Good) instead of "OK," this patch file corrects the status in the EFS (Encrypting File System) partition.
Restoring Network After Flash: Sometimes, flashing a standard stock firmware on a previously repaired device wipes the "patch," causing signal loss. The U7 auto patch file is flashed via Odin to restore that connectivity. Prerequisites for Flashing
Unlocked Bootloader: The device must often have the bootloader unlocked and "OEM Unlock" enabled.
Root Access: Many "auto patch" methods require the device to be rooted (e.g., via Magisk) to apply the modem changes permanently.
Odin Tool: Use Odin3 v3.13.1 or newer to flash the .tar or .md5 file in the CP or Slot section.
Important Warning: Modifying IMEI or using patch files may void your warranty and is illegal in some jurisdictions. Always verify your current binary version in Settings > About Phone > Software Information > Build Number (the 5th character from the right should be '7') before attempting to flash. How to fix Samsung A8+ (SM-A730F)
🛡️ Review: A730F U7 Auto Patch File (IMEI/Network Repair) Overall Rating: ⭐⭐⭐ (3/5 Stars) Essential for technicians, risky for beginners. 📝 Summary
The Auto Patch file for the Samsung A730F (Binary 7) is primarily used to restore network functionality (IMEI/Baseband repair) after rooting or installing custom ROMs. It automates the process of patching the modem and security files to bypass network locks. Convenience:
Automates the patching process, removing the need for manual hex editing of firmware files. Network Fix:
Successfully resolves "Not Registered on Network" or invalid IMEI issues after flashing custom ROMs. Binary 7 Compatibility:
Specially designed to handle the stricter security checks in the U7 binary version. Risk of Soft Brick:
Incorrectly matching the patch file with the exact current firmware version can lead to boot loops. Requires Custom Recovery:
Usually requires a custom recovery (like TWRP) to be installed first. No Official Support:
These are generally community-modded files, meaning there is no official support if something goes wrong. 💡 Verdict
If you are an experienced technician or a seasoned user dealing with network problems on a rooted SM-A730F U7, this patch is a valuable tool.
However, ensure you have a full backup (EFS/NVRam) before flashing. ⚠️ Crucial Tips for Use Check Binary: Confirm your phone is truly on
(Binary 7). Flashing a U7 patch on a U6/U8 device will brick it. Use Trusted Sources: Only download patch files from reputable forums like XDA Developers or established mobile repairing forums. Flash Carefully:
Flash via TWRP or Odin as instructed by the specific creator of the patch file.
Disclaimer: Flashing custom files can permanently damage your device and voids your warranty.
Searching for an A730F U7 auto patch file typically means you are trying to fix "No Service" or "Emergency Calls Only" issues on a Samsung Galaxy A8+ (2018) after an IMEI repair. At
, security is tighter, and standard rooting methods often break the network certificate.
The "Auto Patch" file is a pre-modified modem or firmware designed to restore network signal without needing professional tools like Chimera or Z3X every time you reboot. 🛠️ Prerequisites Before Flashing
Before attempting to use a patch file, ensure your device meets these requirements: Model Check: Confirm your model is strictly Binary Level: Settings > About Phone > Software Information
. Look at the Baseband version. The 5th character from the right must be a (e.g., A730FXXU OEM Unlock: "Developer Options" must be active with OEM Unlocking toggled ON. Flashing custom files will wipe your data and trip the Knox counter (0x1), permanently disabling Samsung Pay and Secure Folder. 📂 Download & Tools You will generally need the following toolkit: Odin3 (v3.13.1 or higher): The standard tool for flashing Samsung binaries. Samsung USB Drivers: Ensure your PC recognizes the phone in Download Mode. The Auto Patch File: file labeled A730F_U7_Auto_Patch_Network
These files are often hosted on GSM forums or specialized firmware hosting sites like 📲 Step-by-Step Installation 1. Enter Download Mode Power off the device. Volume Down + Volume Up and connect it to your PC via USB. When the blue/teal screen appears, press to continue. 2. Configure Odin In the world of Samsung device repair and
Open Odin on your PC. You should see a blue "ID:COM" box indicating a connection. button and select your A730F U7 patch file.
tab and ensure only "Auto Reboot" and "F. Reset Time" are checked. 3. Flash and Reboot . Wait for the "PASS!" message.
The phone will reboot. The first boot may take 5–10 minutes. ⚠️ Troubleshooting & Critical Tips
If you’re working on legitimate device repair, troubleshooting, or development for a device you own (e.g., Samsung Galaxy A730F), I recommend:
Note: On some U7 builds, OEM Unlocking may be hidden for 7 days after a factory reset.
Description:
This feature automates the patching process for the Samsung Galaxy A7 (2018) running the unauthorized Android 14 port. Since Android 14 introduces stricter Verified Boot (AVB) checks and changes to the vbmeta partition structure, standard patching methods often result in a bootloop or a "Security Error" on legacy devices like the a730f (which officially only supports up to Android 9/10).
This module detects the legacy partition layout of the a730f but applies modern Android 14 vbmeta header patching logic, ensuring the device passes SafetyNet/Play Integrity checks while allowing root access without triggering Knox tamper flags (where possible via software emulation).
Core Logic:
Automated VBmeta Header Injection:
Partition Table Adjustment (Logic):
Sample Configuration (Patch File Representation):
[PATCH_METADATA] device_model = a730f target_os = Android_U (14) patch_type = auto_avb_bypass kernel_compression = lz4 security_patch_level = dynamic[AVB_FLAGS] vbmeta_size = 4096 avb_algorithm = SHA256_RSA4096 disable_verity = true disable_verification = true
[INTEGRITY_HOOKS] force_basic_attestation = true spoof_device_model = a54x ; Spoofs as a newer device for Play Integrity
Usage:
Select the AP file in Odin (or the Boot Image in Magisk Manager) and apply the patch. The tool will automatically detect the u7 environment and apply the a730f specific offsets.
(Note: Be aware that installing Android 14 (U) on the Galaxy A7 2018 requires a custom recovery and a ported firmware, as this device has reached its End-of-Life officially at Android 9/10. Proceed with caution to avoid hard bricking.)
The Samsung Galaxy A8+ (SM-A730F) with Binary 7 (U7) firmware often requires an Auto Patch file or specific modem files to restore network services after an IMEI repair or software update. Using these files allows for a "Patch Certificate" procedure, which is essential for the device to gain network signal when the IMEI has been modified or repaired. Key Files for A730F U7 Patching
To successfully patch the network on an A730F U7 device, the following specialized files are typically required:
Auto Patch Firmware: A pre-modified firmware file (often in .tar or .tar.md5 format) that automates the patching process when flashed via Odin.
Fix IMEI (Modem) File: Specifically for U7 (Binary 7), a "Fix Repair IMEI" modem file (such as A730FXXU7CSK2) is used to stabilize the baseband and allow software tools to recognize the device for IMEI operations.
Root Files: Rooting is a prerequisite for patching the certificate. Common files include TWRP Custom Recovery and SuperSU or Magisk. Step-by-Step Patching Procedure
The process generally involves flashing the device and then using a service tool to finalize the network certificate. Preparation and Drivers:
Install the Samsung USB Drivers on your PC to ensure a stable connection.
Enable OEM Unlocking and USB Debugging in the device's Developer Options. Flashing the Auto Patch/Modem File:
Boot the device into Download Mode by turning it off, then holding Volume Down + Power (or the specific key combo for your sub-model). Open Odin and load the Auto Patch file into the AP slot.
Click Start and wait for the "PASS" message. The device will reboot. Rooting the Device: Install TWRP recovery to modify system files.
Flash a rooting package (like Magisk) via TWRP to grant administrative access, which is necessary for the service tool to write to the certificate partition. Repair and Patch Certificate:
Connect the rooted device to a service tool such as Z3X Samsung Tool Pro or Chimera Tool.
If the IMEI is "0000" or null, perform the IMEI Repair first by entering the original IMEI from the back of the device.
Select the Patch Certificate option. This step is critical; without it, the device may show "Emergency Calls Only" even if the IMEI is correct.
To generate an auto-patch file for the Samsung Galaxy A8+ (SM-A730F) with U7 binary, you typically need to patch the system's boot.img or recovery.img to bypass security checks or enable root access.
Below is the technical documentation and process used by developers to create these files. Technical Overview
For the SM-A730F (U7), an "Auto Patch" file is generally a modified firmware component (tar file) that has been processed through tools like Magisk or specialized GSM tools to fix "NG" (Not Genuine) status or bypass KG/RMM locks. Step-by-Step Creation Process
If you are looking to generate this text for a guide or to perform the action yourself, follow these steps:
Obtain Official Firmware: Download the exact firmware for your region (e.g., INS, BTU, etc.) ensuring the 5th character from the right in the build number is 7 (representing U7 binary).
Extract the AP File: Use 7-Zip to extract the AP_A730FXXU7....tar.md5 file. Locate the boot.img.lz4 or recovery.img.lz4 inside.
Decompress LZ4: Use a tool like LZ4 archiver to convert the .lz4 files into standard .img files. Patching via Magisk: Transfer the .img file to a Samsung device. Install the Magisk App. Select Install > Select and Patch a File. The app will generate a magisk_patched.img. Rebuild Tar Archive: Transfer the patched file back to your PC.
Use 7-Zip or Samsung Tar Tool to archive the patched image into a .tar format.
Flashing: Use Odin Flash Tool to flash this file into the AP slot. Requirements for Success
Unlocked Bootloader: The device must have "OEM Unlocking" enabled in Developer Options.
Download Mode: The device must be in Download Mode to accept the patched file via Odin. The primary use case for this file is SIM Unlocking
Binary Match: You cannot flash a U7 patch on a device with a higher binary (like U8), though it may work on lower binaries depending on the bootloader security.
Warning: Modifying system files can trigger Knox security trips, permanently disabling features like Samsung Pay and Secure Folder. Ensure you have backed up all data before proceeding.
Fix Network Issues: Samsung A8+ (SM-A730F) U7 Auto Patch Guide If you’ve recently repaired the IMEI on your Samsung Galaxy A8+ 2018 (SM-A730F)
or performed a firmware update and found yourself with "No Service" or "Emergency Calls Only," you likely need to Patch Certificate . For devices on Bit 7 (U7)
binary, using an auto-patch file is the most efficient way to restore network signals without manual box commands every time. Why You Need an Auto Patch File
On modern Samsung security, repairing an IMEI isn't enough; the phone must "trust" the new ID. Usually, this requires professional tools like Z3X or Chimera. An Auto Patch File is a modified firmware component (often a
file) that automates this "Patch Certificate" process during the flashing stage. Prerequisites SM-A730F (Galaxy A8+ 2018) Binary Version: U7 (Check in Download Mode: Root Access:
Most auto-patch files require the device to be rooted (using Magisk or TWRP). Odin3 v3.14.4 or newer and Samsung USB Drivers How to Flash the A730F U7 Auto Patch Backup Data:
Flashing can lead to data loss. Ensure your files are backed up. Enable Developer Options: Go to Settings > About Phone > Software Information. Tap Build Number 7 times. Enable OEM Unlock USB Debugging Enter Download Mode: Power off the device. Hold Volume Down + Power (Note: The A8+ does not have a physical Home key). Load the File in Odin: Connect your phone to the PC. Open Odin; the ID:COM port should turn blue. Place the Auto Patch file in the . The phone will reboot once finished. Troubleshooting Network Fix IMEI Status NG: If your certificate still shows "NG" in the testing menu ( ), ensure you are using a file specifically built for Stuck in Download Mode:
If the flash fails, ensure you aren't trying to downgrade the binary (e.g., trying to flash U6 on a U7 device). Disclaimer:
Modifying firmware and repairing IMEIs can void your warranty and may be subject to local legal restrictions. Proceed with caution. for the U7 auto patch file or need help verifying your binary version How to fix Samsung A8+ (SM-A730F)
The A730F U7 auto patch file is a specialized modem file used to fix IMEI and network issues on the Samsung Galaxy A8+ (SM-A730F) with the U7 binary level. These patch certificate files are often used alongside GSM technician tools to restore network signals after repairs. For a specific example of this file, visit Facebook Tshepisogsmsolutions.
The search for a specific "a730f u7 auto patch file" typically refers to a modified modem or system file used to repair network issues (like "NG" status or "Patch Certificate") on a Samsung Galaxy A8+ (2018) SM-A730F running Binary 7 (U7) firmware. Key Technical Details Device: Samsung Galaxy A8+ (2018) / SM-A730F.
Binary Level: U7 / S7 (The 5th character from the right in your build number must be a '7').
Purpose: These files are generally used by technicians to fix IMEI/Network issues after a root or repair process, ensuring the device can register on a cellular network. Critical Safety Warnings
Binary Mismatch: You cannot flash a U7 file onto a device with a higher binary (e.g., U8) or lower binary without risking a "binary check fail" or a bricked device.
Root Requirements: Auto-patch files usually require the device to have an unlocked bootloader and often require Magisk root to function correctly.
Source Reliability: These files are not official Samsung releases. They are created by third-party developers and hosted on GSM forums (like XDA or GSM-Forum). Downloading from untrusted sources carries a high risk of malware. Common Recovery Steps (If the device is stuck)
If you are looking for this file because your device has no signal after a firmware update:
Reflash Stock: Download the official U7 firmware from a reputable source like SamMobile or SamFw.
Check Status: Go to Settings > About Phone > Status. If the IMEI is "Unknown," a software patch may not be enough; you may need professional service tools (like Z3X or Chimera).
The A730F U7 auto patch file is a specialized firmware component used primarily for repairing network issues, such as "Emergency Calls Only" or "No Service," on the Samsung Galaxy A8+ (SM-A730F) Go to product viewer dialog for this item. .
The "U7" designation refers to the Binary/Bit version (also known as SW REV) of the device's bootloader. In the Samsung ecosystem, you cannot downgrade to a lower binary version once your device has been updated; therefore, a U7 patch file is specifically required for devices running on that security level. Core Functions and Purpose
IMEI Repair Completion: When a technician repairs a damaged or lost IMEI (International Mobile Equipment Identity) using professional tools like Z3x Samsung Tool, the device often still lacks signal. The patch file is flashed to "sign" the new IMEI and restore network functionality.
Network Restoration: It fixes the "NG" (Next Generation) network status that appears after firmware modifications or IMEI repairs, turning it back to "OK" to allow calls and data.
Automated Application: "Auto patch" versions are typically pre-modified firmware files that automatically apply these network fixes during the flashing process, eliminating the need for manual patching after every reboot. Technical Context for Model: Samsung Galaxy A8+ (2018).
Android Version Compatibility: These files are most commonly associated with Android 9.0 Pie, which is the final major update for this model.
Associated Components: Often bundled with or used alongside a specific Stock Modem file (e.g., A730FXXU7CSK2) or a root file to grant the necessary permissions for the patch to work. Risks and Requirements
Root Access: In many cases, the device must be rooted for a patch file to effectively modify the system's network parameters.
Professional Tools: These files are generally intended for use with flashing software like Odin or professional GSM boxes.
Stability: While these patches restore network function, they may prevent the device from receiving official over-the-air (OTA) security updates, as the system integrity has been modified.
It looks like you’re referencing a string that could be related to:
However, without more context (device model, software, or source), I can’t confirm or provide the actual patch file. If you’re looking for a specific file:
If you can share more details (device make, where you saw this string, what problem you’re solving), I can give a more accurate answer.
A properly crafted patch file for the A730F (U7) should include the following components:
| Component | Function |
|-----------|----------|
| sboot.bin | Patched bootloader to disable RMM lock |
| cm.bin | Combined memory management patch |
| boot.img | Modified kernel with SELinux permissive mode |
| recovery.img | Custom recovery (e.g., TWRP) or patched stock recovery |
| system.img.ext4 | Lite system partition with FRP bypass scripts |
| cache.img | Contains autoroot and FRP erase scripts |
When flashed together via Odin (in the AP slot), these files automate the bypass process without needing to wipe user data (in most cases).
Before diving into the patch file, let’s clarify the device. The SM-A730F is a variant of the Samsung Galaxy A7 (2018). Key specifications include:
The "U7" in our keyword refers to the bootloader revision 7. This is critical: using a patch file designed for U5 or U6 on a U7 device will result in a "SW REV CHECK FAIL" error or a hard brick.
| Error Message | Cause | Solution |
|---------------|-------|----------|
| SW REV CHECK FAIL. DEVICE: 7, BINARY: 5 | Wrong bootloader version | Download correct U7 patch file |
| Only official released binaries are allowed | RMM/KG Prenormal state | Wait 168 hours or use a combo firmware |
| FAIL! (Auth) | USB debugging disabled | Re-enable and retry, or use a different USB port |
| Secure Check Fail: (Bootloader) | Bootloader locked | OEM unlock must be toggled in Developer Options |