[Xiaomi Redmi 3s Guides, News, & Discussion] chirayu19091997:
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UNLOCK BOOTLOADER

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WARNING:​

I will not responsible if you damage your phone. So do this at your own risk.

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INSTRUCTIONS 1 (Getting Unlocking Permission)

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Before unlocking bootloader, you need to take permission from Xiaomi.

SKIP these steps and Jump to Instruction 2 if you already have unlocking permission in your mi account.

1. open this link[ http://en.miui.com/unlock ] and click on "Unlock Now" button.

2. Log in with your mi account.

3. Fill all details. While filling details you will find a text field "Please input your unlocking reason"

4. In this text field, enter these reasons: "I understand the risks of unlocking bootloader. I want to flash the ROM to fix the bootloop. I request you to grant me the permissions for unlocking."

5. Click on "Apply Now"

6. Verify phone via OTP. After that, your Account is verified and it says Processing and you will receive a SMS within 10 days.

7. Afer 2-3 days you will get a SMS Like "You have been granted for permissions To unlock ur device ..."

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INSTRUCTIONS 2 (Changing Phone Setting)

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1. Now you are having unlocking permission on your phone. So login into the Mi account in your phone with the same id on which you got the unlocking permission.

3. On your Redmi 3s/3s Prime, go to Settings > About Phone > Tap on "MIUI Version" 7 times. This will enable Developer Options.

3. Now go to Settings > Additional settings>Developer options > enable "USB debugging" and "OEM unlocking".

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INSTRUCTIONS 3 (Downloading & Installing)

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1.Download ADB driver and install it.

DOWNLOAD:https://1drv.ms/u/s!As8WYajEFuJlhT_fT0o5ui-Zk0Rl

2. Download & Install Mi Flash Tool.

DOWNLOAD:https://1drv.ms/u/s!As8WYajEFuJlhUBGYLbwbHCczzH_

3.Download MiFlashUnlock Tool and extract to folder

DOWNLOAD:https://1drv.ms/u/s!As8WYajEFuJlhT51klLtCm3abV_6

YOU NEED WINDOWS 7 TO UNLOCK BOOTLOADER SO PLEASE GUYS COOPERATE​

GUYS WINDOWS 7 BECAUSE OF KEDACOM DEVICE PROBLEM AS WINDOWS 10 AUTOMATICALLY DOWNLOADS DEVICE DRIVER AND INSTALLS IT AND KEDACOM DRIVER DOSENT ALLOW ANY COMMAND TO GET TO YOUR DEVICE SO THERE IS UNLOCKING PROBLEM THAT YOU GUYS FACE I ALSO FACED SAME PROBLEM GUYS BUT AFTER IT I TRIED IN WINDOWS 7 AND I SUCCEEDED IN FIRST TRY.

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STEPS:

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1. On your computer, open MiFlashUnlock folder

2. Right click on MiFlashUnlock.exe and select "Run it as administrator" & click on 'Yes'

3. Login into the unlocking tool on PC with the same Mi account IN WHICH YOU GOT PERMISSION.

4. Reboot your phone into Bootloader mode. To do that, simply turn off your device, press & hold Power button + Volume down buttons at the same time. Hold until you see Mi Bunny Fastboot logo.

5. Now connect your phone to the computer using its USB cable.

6. Once your phone is connected, the Unlock button will become active.

7. Simply click on the Unlock button to start the process. The unlock process will take about 10-15 SECONDS

8. You will see the message in green color "Unlocking Successfully"

9 LEAVE A POST BELOW IF YOU FIND ANY PROBLEM.

If you like it then click on "THANKS" button

and Cheers if you UNLOCKED your bootloader successfully.
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TWRP FLASHING:

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1.AFTER YOU UNLOCKED BOOTLOADER.

2.DOWNLOAD THIS TWRP FILE JUST DON'T KNOW WHERE THIS CAME FROM ITS IN CHINESE OR SOME OTHER LANGUAGE I DONT KNOW WHICH.

DOWNLOAD:https://1drv.ms/u/s!As8WYajEFuJlhUQRu5_gsHAfX-oV

3. Reboot your phone into Bootloader mode. To do that, simply turn off your device, press & hold Power button + Volume down buttons at the same time. Hold until you see Mi Bunny Fastboot logo.

4. Now connect your phone to the computer using its USB cable.

5.in twrp recovery go to advanced and disable dm-verify before rebooting to system.

Reboot to recovery and enjoy your TWRP

NOTE:IF YOU DONT DISABLE DM VERIFY YOUR DEVICE MAY ENTER A BOOTLOOP​

If you like it then click on "THANKS" button​

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ROOTING:

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now after you have TWRP recovery installed reboot to recovery mode then just flash this super su zip file from the download link provided below link below is of latest supersu by chainfire

DOWNLOAD:https://1drv.ms/u/s!As8WYajEFuJlhUFNYcaVP0Amul4S

AND YOU UNLOCKED BOOTLOADER FLASHED TWRP AND ROOTED YOUR DEVICE