[Android One (First-Generation) Cross-Device Genera] Jaskirat_Panjrath:
Welcome To the updated Index thread of Android One,Here you will find everything for the three devices..From unlocking Bootloader to Flashing roms.

Let's start by knowing this device.

What is Android One?

Android One is a standard created by Google for Android systems, mainly targeted at people buying their first smartphone, and customers in the developing world. Android One smartphones run software close to stock Android, without the often extensive vendor-specific modifications that many smartphone vendors apply. There are 8 Variants of android one, 3 of theme are 4GB and 5 are 8GB.

Source:- Wikipedia

Specifications

How to Unlock Bootloader?

Warning-Unlocking bootloader will lead to formating of your phone. The stuff inside your sd card is safe but all your apps and their data will be deleted.

Unlocking bootloader:

1. Download Universal ADB Driver installer from here.

2. Connect your phone and run the Universal ADB Driver installer. Click 'Install' button and a warning should pop up. Just click "Install anyway" and it should look like this:

3. Download ADT Bundle from here for Win-32 Bit and from here for 64-Bit . If you are unsure which version of windows you have just download the 32-Bit one.

4. Extract the zip file in your C:\ drive like this (You can install it wherever you like but this tutorials assumes this location for simplicity). Add adb and fastboot to system path by following this tutorial . This will allow you to run adb and fastboot commands from any location on cmdline.

3. Switch off your phone. Now, Press POWER BUTTON VOLUME UP button for about 5 seconds. A menu should appear. Note: VOLUME UP allows to navigate the menu (move down the menu). Press VOLUME DOWN button for selecting/choosing fastboot. On your phone, it should say something like

=> FASTBOOT MODE...

Connect your phone to the computer if it wasn't already.

4. Open CMD

5. On command prompt, Type:

fastboot devices

6. Now, Type the following commands:

fastboot oem unlock
fastboot format userdata
fastboot reboot

Now, your bootloader is unlocked.

7.To Relock the bootloader

fastboot oem lock

Rooting guide can be found here

Important links for Android One

ROMs

[ROM]{DEVELOPMENT}[30/3] CyanogenMod 12.1 | Beta 1 | MT6582

[ROM][5.0]{DEVELOPMENT} CyanogenMod 12 | sprout |

[ROM][5.1.1][4GB] Android Ice Cold Project 9.0

[ROM][UNOFFICIAL][Lollipop 5.1][SPROUT4] PAC-ROM LP-MR1 Beta-1

GZR Validus ROM Lollipop v8.0 - Android One (sprout)

SlimLP for Android One ( sprout).

SOKP for Android One devices (sprout).

CyanogenMod 12.1 for Android One ( sprout).

OwnROM for Android One devices (sprout.)

Team - Exodus ROM for Android One (sprout.)

PAC 5.1 for android One ( sprout.)

Candy ROM for Android One (Sprout .)

Carbon ROM for android One ( sprout.)

AOSPA ( Paranoid Android ) For Android One. ( sprout ).

Alienoid OS for Android One Devices (sprout.)

Resurrection Remix for Android One ( sprout.)

CrDroid for Android One ( sprout.)

Flex OS for Android One (sprout.)

CyanogenMod 11 for Android One

[ROM][4.4.4]CrDroid for Android One

[ROM][4.4.4] Dirty Unicorns v8.1 -sprout

[ROM][4.4.4][DUAL]Paranoid Android 4.6

Unofficial Carbon Rom[4.4.4]

[ROM][4.4.4][UNOFFICIAL][SPROUT] MoKee OpenSource Project

[4.4.4][AOKP]AOKP for Android One

[ROM][STABLE][OFFICIAL][KK]PACMAN ROM[Sprout]

[ROM][4.4.4][UNOFFICIAL] AICP V7 [Android One]

[ROM]AOGP for Android One

Unofficial OMNI Rom for Android One

Wormhole ROM v1

Pure Nexus Experience-OTA Updates

[Rom]Delicious Mountains~sprout~

Kernels and Recovery

[RECOVERY]Unofficial TWRP for Android One

[PhilZ][RECOVERY] Recoveries for Symphony Roar A50 / Mito Impact & other 8GB models

[Sprout] [CWM Based] Carliv Touch Recovery For Android One

[PORT] {SPROUT} Cannibal Recovery (COT) for Android One

[RECOVERY][CWM Advanced Edition]PhilZ Touch

[DUMP]Stock Revovery and Boot Images

[RECOVERY]ClockworkMod Recovery-Common to All

[KERNEL][L][STOCK][5.1]intersectRaven's Kernel - 20150403_16XX

[KERNEL][LP][3.10.73+] ★BlackBox-Kenel-8.5★ | From The Darkest Places

[KERNEL] [KK]★BlackBox-Kenel-2.0★ | From The Darkest Places

[KERNEL]OwnKernel V1.1[CM-12.1]

[KERNEL][STOCK][5.1] Boom Kernel v1.0

[KERNEL]ThunderZap Kernel for Android One One kernel to rule the ones

Cody Kernel for Sprout.

Zeus Kernel, for Android One ( sprout ) TRIED I TESTED I TRUSTED.

MODs/Tools

IMEI - Repair [Just A Flashable Zip] [ The Fastest Way ] For All Android One Devices

Walkman MOD.

Dark Material Settings MOD for Android One.

[DEV] [TOOL] KernelTool [LINUX]

[TOOLBOX] Android ONE Toolkit (One Click Root , Unlock/ReLock Bootloader, APK install

[TOOL]ALL-IN-ONE TOOL- UNLOCK/RELOCK BOOTLOADER, RECOVERY ,ROOT for BOTH BOOTLOADERS

[BOOTLOGO]Google Edition Boot Logo

[Bootlogo]Beautiful bootlogo Android

Android One bootlogo

Discussions/Help Threads

[Support][Q&A]CyanogenMod 11 help thread

[DEV] [REQUEST THREAD] [Discussion] All In One Android Device Request Thread

[Guide]How to keep network only 3G

[GUIDE] Control LED for Different Notifications!!

[GUIDES INDEX] Start Compiling ROM For Android One!

[GUIDE] [Universal] Backuping & Restoring IMG files [W/O PC]

[INFO]WARNING: Android 5.0 Bootloader and Kitkat Compatibility

THIS IS JUST AN UPDATED THREAD THE ORIGINAL THREAD IS -HERE . ALL CREDITS TOO [MENTION=5384581]DC07[/MENTION] FOR THE LINKS AND THE ORIGINAL THREAD. ​