This tutorial rather a hack allows you to install latest Redstone Build 14356 on Many older Lumia devices. Many Lumia 920, 1020 and 1320 owners have been able to install the Build 14356 using the hack, though there are some minor issues as reported by those who have installed it, so do it at your own risk.
- Brightness is not working.
- Glance screen is missing.
- Battery draining so fast.
Follow the steps in the Answer section -> :)