Just follow the post from start to end to know “how to lock bootloader again?” or “How to relock bootloader of android phone?”
If you are involved into rooting then Bootloader is very well known term for you and I believe you know the benefits of unlocked bootloader. If not,then it’s ok. I will tell you.unlocked bootloader is must to perform many tasks like if you want to flash ROM,want to root your device,want to install custom recovery like CWM/TWRP etc.in the simple word bootloader should be unlocked, if you are going to try any modification on your android device.basically bootloader is a security lock which prevent the device or restricted the device to make any changes.
I am Jagmohan Singh Negi A Tech Enthusiastic Person. I always want to explore something new and experiment on Android Smartphones, here on 99mediasector.com i share solutions of Latest Android Bugs and Their Fixes, Latest Android launches, and How-to-Type Solutions for All Android Smartphones.