This will output a boot image to the root of your phone storage /sdcard/ called boot_b.img Window's version Windows 7 will not work with fastboot, please use Windows 10 or Windows 11
Is it possible to create a backup of the boot.img and system.img without rooting or unlocking the bootloader? The phone is a One X Tegra 3 I have a slightly dead phone and access to a new one x but I cant do anything like unlocking the bootloader on the new one as it isnt mine. Thanks in advance Yoc81
Where does Magisk store stock boot.img. Magisk stores the stock boot.img file inside the data partition within the magisk_backup folder. Here’s how you could access it: Download and install a root-supported File Manager. Then launch it, go to its menu, and select Root directory. You’ll get a Magisk prompt, tap OK. In this guide, we will show you the steps to fix the “Boot image patched by unsupported programs” when trying to root your device via Magisk. During the earlier days of Android when ClockWorkMod Recovery, CyanogenOS ROM, and Titanium Backup reigned supreme, then we had the Super SU app to gain administrative privileges aka root the device. In the “Actions” menu, you will need to tap on the “+” icon on the bottom right and select “Backup”. For the backup type, you will have to select “Normal”. It includes all the regular partitions like Vendor, Boot, System, Data, and also the internal storage (You can deselect it if you don’t need it). STEP 3: Root OnePlus 8, 8 Pro, and 8T using Magisk. Finally, it’s time to root your OnePlus 8, 8 Pro, and 8T via Magisk. Since your device is booted to TWRP, head over to the Install section. Sample Image. Now navigate to the downloaded TWRP Recovery, select it, and perform a right swipe to flash it. boot_a and boot_b. When you boot up the device you use the partitions in one slot (eg. the _a partitions). When an OTA update is being downloaded, it writes into the partitions for the other slot (eg. the _b partitions). Your phone can stay in use while this happens. If the OTA fails nothing is broken, you just keep using the good slot partitions.

Spent almost 15+ hours reworking the codes. Then I compiled it, placed it on my device in /data/local/tmp. Pulled my boot img from my partition using dd over to /data/local/tmp. Ran the steps to unpacking, editing, and then used the new mkbootimg to repack it. After completion I wrote the new boot.img over to the partition using dd.

So with that in mind, let’s start off with this guide. How to Change Boot Animation on Android Phones. STEP 1: Verify System R/W. STEP 2: Root your Android Phone. STEP 3: Download the Custom Boot Animations. STEP 4A: Install Custom Boot Animation on Android via File Manager. STEP 4B: Install Custom Boot Animation via Magisk.
The selected bootable image file might have a problem. Please re-create a bootable image file, or use "Create Bootable Media" function in AOMEI Backupper, or use AOMEI PE Builder. 2. If the selected bootable image file is too large, or the computer’s memory too small, boot failure may occur because of insufficient memory.
Instructions change a bit but I was guide by the order stablished here. 1. the kernel (fastboot flas kenel "kernel name.img"), 2. recovery ramdisk (fastboot flas recovery_ramdisk "recovery name.img", 3. boot ramdisk, 4. Vendor image and finally 5. system image. rCva.
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    • backup boot img without root