Realme GT Neo has been launched in China and later launched in other parts of the country like Hong Kong, Malaysia, and more. The device comes with MediaTek Dimensity 1200 SoC and a triple rear camera setup. It has a hole-punch cutout for the selfie camera and slim bezels all around.
Well, If you are here, then you may probably want to install the Custom ROM on Realme GT Neo. As you read our title, yes we can guide you on installing the latest custom ROM on Realme GT Neo based on GSI build.
When you buy a new phone, it comes with so-called stock ROM or stock firmware which basically means a pre-installed operating system. This ROM usually comes with some limited functionality defined by the OEM (phone manufacturer). Whereas a custom ROM is developed by using AOSP also known as Android Open Source Project. Yes, we all know that Android is open-source and therefore any developer can edit the code, or recompile it according to his or her need. You can read our complete article to understand the difference between Custom ROM and Stock ROM.

Flashing the ROM in Realme GT Neo is easy! All you need to do is follow the instructions carefully. If you are a newbie, then you need to understand that before flashing, you must unlock the bootloader on your Realme GT Neo. To unlock the bootloader, follow our guide on how to unlock the bootloader on any Realme on any Android device.
If you already unlocked the bootloader, then you can simply follow our guide to install the custom ROM on Realme GT Neo. Before that, let’s understand What is a GSI build.
What is GSI Stands for?
GSI stands for Generic system image which is an Android System image that can be used to replace the current installed Android version with a new one. It is a pure Android with an unmodified Android Open Source Project (AOSP) code. With Android 8.1, Google introduced the project treble support for many devices and now with Android 9.0 Pie, Google finally added the API level 28 to support Generic System Images to all app developers to install and run the latest Android GSIs on a variety of existing Android devices. To know more: Read here
How to Install Custom ROM on Realme GT Neo
To install, as we said, you need to unlock the bootloader and must have a TWRP (to install via a device) or a PC (to install via Fastboot). Yes, there are two methods to install the custom ROM GSI on Realme GT Neo.
Disclaimer
AOSP GSIs which is still marked as a pre-release. Even on a device that runs Pie GSIs nicely, it’s still possible to get broken media, camera, RIL, or even flat-out no-boot. You are strongly advised to try PHH’s original and then identify/report issues there, before moving onto other GSIs that are based on his work. Please report bugs on the same thread related to the ROM.
We’re at GetDroidTips won’t be responsible for any kind of damage or error that occurs to your handset while or after following this guide. This is a Custom ROM and may contain some of the bugs or stability issues. We can’t recommend you to use this firmware as your daily driver. Proceed at your own risk.
Using GT neo 5 (rmx 3709), everything is fine, except after reboot it stuck on bootloader.