Requirements:
* PC with proper ADB & fastboot drivers and binaries installed. You can get drivers from here and binaries from here. (only if you dont have a custom recovery installed in your device)
* Supported device with unlocked bootloder. Go to your device vendor's site or search XDA for unlocking instructions.
For 2GB RAM variants:
1. Download installation ZIP for your device.
2. Flash it from your custom recovery. (if you dont have a custom recovery already installed, install TWRP first)
For 3GB/4GB RAM variants:
using custom recovery or Flashify (for rooted users):
1. Download recovery image (*.img) for your device.
2. Flash it to Recovery partition.
Using PC:
1. Download recovery image (*.img) for your device.
2. Open command prompt from path where you kept ADB & fastboot binaries
3. Copy the recovery image to same folder of ADB & Fastboot.
4. Reboot your device to fastboot/bootloader mode.
4. Enter the following commands in command prompt
fastboot flash recovery RedWolf-<VERSION>-<DEVICE_CODE_NAME>.img
fastboot boot RedWolf-<VERSION>-<DEVICE_CODE_NAME>.img