download twrp.zip file, you will get it easily on internet put it on sd card switch off the phone and boot into recovery mode (method for going in recovery mode is diffrent for diffrent devices mostly power+volume up search for your device on google ) Go to install updates from external storage Find your twrp.zip and flash it Thats it now reboot. 1. Download the necessary files to your computer 1.1. Download TWRP img for your phone. Step 1: Go to link here. Next, you find your device name and click on the download link to download it. In the article, I use the Xiaomi redmi 7 model . After finding the device's name, click on the down Primary (Americas) link.