Follow the steps below to install Android applications to my Nokia Lumia 650: Activate Win32DiskImager. Connect your phone today making use of this Mass Storage setting. It is important to choose a location within Win32DiskImager in which you wish to save your backup. It's IMEI.img and you can save it. Click "Read" after choosing the letter that corresponds with your phone's MainOS. Your phone's backup was successfully completed. Now close the app. Extract lflash.zip after downloading it. Start uefi2lk.cmd immediately, and follow to the prompts which appear. The bootloader has been installed on your phone. Use the volume-down button to initiate Fastboot. Flash TWRP once you have downloaded it. Download the ROM too. Select Advanced, ADB Sideload in TWRP. Navigate to the ROM that you downloaded previously using ADB Sideload. Flash it. Start your device.