Anti Rollback Check Failed
Aug 26, 2018 Read the whole guide very carefully and do check out the video in the guide to know more about the downgrade, Anti-roll back, ARB 4, ARB 3 and custom ROMS. So in this guide, you will know which ROM are safe and which are now. How to downgrade and how to upgrade Redmi Note 5 Pro without Breaking the device. Xiaomi Redmi Note 5 Pro can not flash - anti rollback level 4. Today with firmware 9.5.22.0, xiaomi have antirollback level 4 if we flash other rom with lower level 4 will hard brick (phone stuck at 9008) but can not use miflash or qcfire to flash please umt team help fix it. So basically they put limitation by time to time. That means you installs 8.7.5 which permits you to downgrade until 0.0.0 and 8.7.6 can be upgraded upwise to 99.99.99, but while you are on 8.7.31 for instances you can also downgrade back to 8.7.6, but you will not be able to go back under the limitation?
Redmi Note 5 Pro Anti Rollback Check Failed
Either with root or without root, enabling Camera2 API on your Xiaomi device requires an unlocked bootloader. Any method you try will just fail if your phone bootloader is not unlocked officially.
Unlocking bootloader is utterly easy. We have wrapped up the.Before we proceed, make sure you have created a backup of all your important files and data.
Despite this method is perfectly safe, we cannot guarantee anything. We have no responsibilities of any damage that might happen to your device.
RequirementsYou will need the following stuff:. image (.img). The. (zip). Any compatible USB Data cable1.
No Root, No TWRP FlashingThis method requires TWRP custom recovery but we are not going to install it. We need it only for booting into custom recovery. Again, you will have no TWRP installed at the end of this process. on your computer.
Install ADB Fastboot Driver or Android Platform Tools on your computer. You may install it on drive C:adb. Enable USB Debugging on your phone. Go to Settings Additional Settings Developer Options USB Debugging. Download and copy the TWRP image file to your ADB folder. Rename the file to twrp.img. Download ARB Bypasser and extract the zip file.
You will get a dummy.img file. Copy that file to the adb folder as well. Hold down the “Shift” button your keyboard and right-click anywhere inside the ADB folder. Choose “Open Command Prompt Window here” or “Open Windows PowerShell Window here”. Now connect your phone to your computer using the prepared USB cable. Make sure the connection type is “MTP” and is NOT “Charging”.
In the Command Prompt window, type “ adb devices” (without quotes) and hit Enter key. This asks the computer to recognize your device and to establish ADB connection. Next, type “ adb reboot bootloader“. This will reboot your phone into fastboot mode. If your device has ARB index 4 or greater, type “ fastboot flash antirbpass dummy.img” and hit Enter.
The command order your computer to flash dummy.img file to your device through the Fastboot interface. Otherwise, skip this step and go to the next step below. Recommended reading:. Now issue the following command: fastboot boot twrp.img. This tells your computer to boot your phone using TWRP image. Your phone should now display the TWRP main menu but you may need to allow system modification at first.
Next, type “ adb pull /system/build.prop” and hit Enter. The command asks the system to download “ build.prop” file from our device to your computer. Open the “build.prop” file using a text editor of your choice (Notepad, Notepad, or Sublime). Add the following text inside that file “ persist.camera.HAL3.enabled=1” – you can copy-paste it, without quotes. Save the file (Control+S) and close the text editor. Finally, issue the following command lines:Type and hit Enter on your keyboard.
Adb push build.prop /system/adb shellcd systemchmod 644 build.propadb rebootCredit: Sahil4518 on.Alternative method:. Follow Steps 1 until Steps 12 above. Then issue the following command:adb devicesadb shellsetprop persist.camera.HAL3.enabled 1exitadb rebootYour phone will reboot into normal mode but this time the Camera2 API has been enabled.Credit: RSubha on.As for us, this alternative method that really works.2.
No Root, with TWRP. on your computer. Install ADB Fastboot Driver or Android Platform Tools on your computer. You may install it on drive C:adb. Enable USB Debugging on your phone.
Go to Settings Additional Settings Developer Options USB Debugging. Download and copy the TWRP image file to your ADB folder. Rename the file to twrp.img. Download ARB Bypasser and extract the zip file. You will get a dummy.img file. Copy that file to the adb folder as well. Download the Camera2 API Enabler (zip) and DM-Verity No Encrypt (zip) to your phone directly.
Do not need to extract the zip file. Hold down the “Shift” button your keyboard and right-click anywhere inside the ADB folder.
Choose “Open Command Prompt Window here” or “Open Windows PowerShell Window here”. Now connect your phone to your computer using the prepared USB cable. Make sure the connection type is “MTP” and is NOT “Charging”. In the Command Prompt window, type “ adb devices” (without quotes) and hit Enter key. This asks the computer to recognize your device and to establish ADB connection. Next, type “ adb reboot bootloader“.
This will reboot your phone into fastboot mode. If your device has ARB index 4 or greater, type “ fastboot flash antirbpass dummy.img” and hit Enter. The command order your computer to flash dummy.img file to your device through the Fastboot interface. Otherwise, skip this step and go to the next step below.
Recommended reading:. Now flash TWRP using this command: fastboot flash recovery twrp.img. This instructs the computer to flash TWRP image file to the phone through the fastboot interface.
The process should finish within seconds. Type “ fastboot reboot recovery” and hit Enter. This will boot your device into TWRP.
Your phone will now reboot into TWRP recovery mode. Slide to allow system modification.
By doing this, it will trigger the MIUI DM-Verity security check. Choose “ Install” from the main menu. Locate and choose the Camera2 API.zip file. Tap on it to choose it.
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Swipe to confirm flashing. Wait few seconds until the process complete. Go back to the main and tap “ Install” again.
Locate and choose the DM-Verity Disabler.zip file. Tap on it to choose it.
Swipe to confirm flashing. Wait few seconds until the process complete. Once done, tap “Reboot”3. With Root, with TWRP and Magisk. Follow our comprehensive. Open up Magisk Manager app. Tap the menu icon at the top left corner of the screen.
Choose “Downloads”. Tap the Search icon. Search for “ Camera2 API“. Tap the Download icon to start downloading. Tap “Install” then reboot.What’s next? You can confirm whether your attempt is a success or not.
Simply download the “Manual Camera Compatibility Test” app or “Camera2 Probe” app from the Play Store. You should get something like this:Credits: jhangyu on.UPDATE:Users running MIUI 10 based on Android 9.0 Pie should follow our latest guide.Do not hesitate to post a comment below. I have flashed the TWRP and install the magsik manager. But on rebooting the phone my camera2api gets disable. Moreover even with the camera2api enabled I cannot successfully run a gcam app that works with front and back camera.After reading this article, I have check that and my anti rollback feature is at index 4.
I already have TWRP in my Phone what should I do to permanently enable camera2api or disable the antiroll back feature while TWRP is already on the phone. Also can you please recommend a gcam version of app that run without any issue.
Bootloader / Fastboot mode allows you to flash any partition on a device, be it system, boot, recovery, cache or any other. And not just the partition images from OEMs, you can also flash the custom-built.img files via fastboot. For example, a custom recovery like TWRP.For the unknown, TWRP recovery is a custom recovery for Android devices developed and maintained by the folks at TeamWin.
It lets you do a host of things on your Android phone that neither Google nor your device manufacturer built support for. For example, a full device (nandroid) backup.
Using TWRP recovery you can take a full backup of your Android phone, which you can restore to even repair a soft-bricked device. Other than a backup, TWRP also allows flashing unsigned zip files which include rooting scripts, custom ROMs / MODs and other similar stuff.Since not all Android devices are same, TWRP is built differently for each. Also, you might find the recovery available as both official and unofficial builds, on the internet. This is because TWRP recovery is an open source project and anyone with knowledge can compile a TWRP recovery build for any Android device.You can find and download the official TWRP recovery build for your device over at TeamWin’s website. We’ve linked all officially supported devices below in the table.
For most devices, you will only find the Fastboot flashable.img files of TWRP. However, if you have a Samsung Galaxy device, you’ll also find a.tar file, and we recommend using the.tar file to (a PC software to install/flash stuff on Samsung devices). If you already have TWRP recovery.img file for your device, skip straight to the TWRP installation instructions below the TWRP download section.If you couldn’t find TWRP recovery image for your device on the official channels, do a search on our website for an unofficial build. We cover unofficial TWRP recovery builds for all sorts of Android devices that appear on various Android communities like XDA.When you have the TWRP recovery.img file downloaded for your device, follow the instructions below to flash TWRP recovery via Fastboot. How to Install TWRP via FastbootNote: This guide assumes that your device has an unlocked bootloader.
If not, follow our detailed guide on. Get a TWRP recovery.img file compatible with your device and save to a separate folder on your PC. Setup ADB and Fastboot on your PC, follow. Enable USB debugging on your device:. Open Settings on your device. Go to About phone and tap seven times on Build number, this will enable Developer options. Now go back to Settings and you’ll see Developer options there, open it.
Anti Rollback Device Direct Supply
Tick the USB Debugging checkbox. Open the folder where you saved TWRP Recovery.img file in Step 1 above. Now open a command window inside that folder. To do that, “Shift + Right click” on any empty white space inside the folder and then select “Open command window here” from the context menu. Connect your device to the PC.