Unbrick or Recover Xiaomi Redmi 10A and other MTK devices

Case: Your Redmi 10A (probably other MTK devices too) is not turning on and doesn't react to any button pressed nor cable connection. Requisites:   Dead phone USB Cable  You tried tons of tutorials to unbrick the phone and didn't work This image Willingness to even use Linux to fix it (it's not hard) Steps: Create a bootable USB using the image downloaded. Make sure your computer allows booting from USB. Boot the computer from the bootable USB. When booting, a list of options will be shown. Pick the first one: Boot Live system. Once the system is loaded, go to the right-upper corner to connect to Wi-Fi. Once you have internet, use the Firefox browser (click on the icon in the left-upper corner) and download the Linux version of this tool (SP Flash) and save it in the desktop. Unzip the tool downloaded. Download the fastboot version of the stock ROM . Unzip the ROM, to have the folder and files. Click on 'MTK' icon that is in the desktop. In the command line opene
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Fix unauthorized message with adb devices

Case: You connect your Android phone to your computer, run the command 'adb devices' and your device is unauthorized. Even if you authorized the device.

Unauthorized message in adb

Requisites: Android phone, USB cable, computer with Windows and adb installed.

Steps:
  • Make sure the phone is not connected to the computer. 
  • Remove the previous authorizations given into the phone.
Remove previous authorizations
  • Kill the adb server.
Kill adb server
  • Remove the key files.
Remove key files
  • Connect the phone to the computer with the USB cable.
  • Run the command 'adb devices'.
  • In the phone, accept to give the authorization.

Results: When you run the command 'adb devices', it will show your devices with the status 'device' instead of 'unauthorized'.

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