Hello friends I am Prasanna and I would like to share how to unlock bootloader and flashing custom roms.i have done flashing custom roms in mi note 3,4,3s,3s prime and every device is fine no problems because of installing these roms


A custom rom is a ROM which is more customisable than the stock roms the ROM which came with the mobile

Steps: 


 Inorder to flash a custom ROM you should unlock bootloader and install. Custom recovery

1.first apply for permission to unlock bootloader and wait for 15 days and unlock the bootloader

2.enable usb debugging and OEM unlocking in your device.

3.download twrp for your device

4.downliad ADB and universal installer and install in your pc

5.type ADB flash recovery.   Filename

6.it will boot in to twrp

7.now download and install the custom rom along with the gapps.




Thanks alot..