[Xiaomi Redmi Note 4 Guides, News, & Discussion] hypergamer1231:
Hello friends i just installed the official Android N on my Redmi Note 4. Heres a complete guide for new redmi note 4 users, so that every one can enjoy the latest and greatest from google and Xiaomi!!!

Before flashing please backup all your important data and ensure your phone is charged. Do it at your own risk. I would not be responsible for any loss to your phone.

BOOTLOADER UNLOCK AND FLASHING ANDROID N BETA GUIDE :

If you are already on a global developer rom directly go to step 3 :

Step 1 : Go to http://en.miui.com/unlock/ and place a request to unlock your bootloader. In 5 to 7 days you will get a text message from Xiaomi once your req is approved

Download the latest global developer rom from here : http://bigota.d.miui.com/7.1.19/miui_MIDOGlobal_7.1.19_9419fe8d1a_6.0.zip

Step 2 : Copy the Rom zip in your phones internal memory, then go to settings -> about phone -> tap on system updates -> click the dots (menu soft key) at the top right of the screen. Click on choose update package -> browse and select the downloaded rom zip file. After the package is verified you will get a pop up-> select erase and update. Wait patiently. Have a coffe it will take 5 to 7 minutes.

Now go to https://www.androidfilehost.com/?fid=745425885120698566 and download and install it on your windows pc.

Step 3 : Once you are on developer rom please sign in to your mi account for which you have been granted bootloader unlock permission then go to settings -> about phone -> tap miui version 7 times to enable developer settings. Then go back and click on additional settings and go to developer settings.

Now enable usb debugging and tap ok. enabled oem unlocking by clicking on the radio button.

Step 4 : Download http://en.miui.com/forum.php?mod=attachment&aid=ODg2ODQwfGExNmVkMjVifDE0Nzk5MDA2OTJ8NTQyOTQ4MzM5fDQxODQyOQ%3D%3D and extract it to your desktop. Launch the unlock tool and sign in using you mi account details.

Step 5 : Power your device off -> Press vol down + power button till you see the fastboot logo -> connect your phone to the pc and let the drivers get installed and click unlock on you unlock tool. Once unlocked your phone will reboot automatically.

Step 6 : Download http://api.bbs.miui.com/url/MiFlash and install it.

Step 7 : Download http://bigota.d.miui.com/7.1.19/mido_global_images_7.1.19_20170119.0000.00_7.0_global_bbb1bd402f.tgz and extract it to your desktop.

Step 8 : Launch the Mi Flash Tool when it is connected to your device with USB Cable. You’ll see your device id. Click on "Select" button in Mi Flash Tools–> Select the FastBoot ROM folder which you want to Flash and Press “OK”.

Step 9 : At the bottom of the flash tool select clean all. (VERY IMPORTANT OR YOU WILL FACE A BOOT LOOP)

Step 10 : Next, click the “Refresh” button and make sure the Mi Flash tool can recognize your device and ROM properly. After refreshing click on “Flash” to start the flashing process. just wait till the progress bar displayed is fully green. After completing you will see a success message in flashtool and your phone will reboot. Please be patient as the first boot will take 5 to 7 minutes.

Congratulations you have sucessfully installed Android N beta on your redmi note 4 SD variant.

FOLLOW THE STEPS MENTIONED BELOW TO FLASH TWRP AND INSTALL LINEAGE OS :

Steps to Flash TWRP :

Install fastboot tools from google's sdk on your PC

Enter fastboot mode

Unlock your bootloader

Download recovery*.img and Lazyflasher

Copy lazyflasher In your internal Phone memory

Run "fastboot flash recovery recovery-mido.img in command line

Boot into recovery and flash Lazy flasher (Important for miui, else you can't boot into system)

Reboot

Credits : [MENTION=6070905]abhishek987[/MENTION] thank him on this thread : https://xdaforums.com/redmi-note-4/...er-development/recovery-twrp-3-0-2-0-t3550061

Steps to Flash Lineage OS :

Download the latest build and GApps

Reboot to recovery

Flash the latest build and GApps

Reboot

Credits : [MENTION=6070905]abhishek987[/MENTION] thank him on this thread : https://xdaforums.com/redmi-note-4/...other-development/rom-lineageos-13-0-t3554630

A Video For a Detailed bootloader unlock tutorial :

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Hit thanks if I helped.