Watch this updated video if you are stuck at 50% or if you are not able to unlock the bootloader- https://youtu.be/E1m_bffpdKA
Video on Xiaomi's policy of bootloader unlocking- https://youtu.be/f1mDVavgXJU
In this video, I'll show you How to unlock bootloader on any Xiaomi device! This method will work superfine on the Redmi Note 3 too!
Apply here- http://en.miui.com/unlock/
Mi Flash Unlock tool- http://bigota.d.miui.com/miflashunlock/MiFlashUnlock_1.1.0315.1_en.zip
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