- downloaded actual MIUI stock ROM, in my case 10.1.3.0, and extracted the boot.img - via TWRP I made a backup just to be sure - -rebooted in fastboot mode and from PC I flashed the stock boot.img "fastboot flash boot boot.img" and "fastboot reboot" - after rebooted I applied the OTA update to 10.2.2.0, in my case 1 I want to get the boot.img of my android phone (mobile/model doesnt matter i want a general one) without rooting the phone. I have ADB installed and using a linux machine in which i can communicate to phone via ADB. Can any one help ? remember i dont want to root my phone i just want to get the boot img. adb root-access boot Share First, we need to enable Developer Options on Samsung Galaxy S22. Go to “Settings” on your Samsung Galaxy S22. Scroll down to the very bottom of the screen and select “About phone.”. Next, select “Software information.”. Tap on the “Build number” 5-6 times. Enter your phone’s lock screen PIN/Password/Pattern if prompted. Install the magisk manager from the downloaded file and open it once before moving to the next step. 2. Boot your device into the bootloader by holding the power button, and volume down for 3 seconds. 3. Open up the cmd in the folder of the downloaded file and run fastboot boot patched.156.boot.img command. 4. 5. Make a Full Backup . Creating a full backup of your phone is an essential task, yet remains more difficult than it should be. If your phone is rooted then there's no problem -- just install Titanium Backup and you're good to go. Without root, you have a couple of good options. STEP 8: Install TWRP on MediaTek without Fastboot Mode. To begin with, launch the SP Flash Tool using the flash_tool.exe file. Then click on the Choose button next to Download Agent and load the Android Scatter text file. After that, checkmark the recovery partition. Then click on the green area next to it and load the TWRP file. As long as you have a TWRP backup of the stock ROM without any changes to the /system partition (root is ok) you can just use that, instead of downloading a stock nandroid from the collection thread. For stock recovery, you need 4.16.401 stock recovery. First is a link that explains Android partitions : partitions. Second is a SO answer, that explains Android's memory: memory. Now my understanding so far is this : Android has RAM and ROM. ROM is divided into several partitions, namely, /system, /data, /boot, /recovery, /cache, /misc and /sdcard. Now the link relating to sideload states that ZHKOq.