Vivo 1801 Custom Rom Full
After testing multiple builds from the XDA community, here is a breakdown of the top 3 full packages.
Let’s be honest. The Vivo 1801 (which covers the Vivo Y91 and Y91i) is a solid budget warrior from 2018. It has a decent 6.22-inch display, a reliable 4030mAh battery, and the MediaTek Helio P22 chipset. But if you are reading this, you are probably fed up with Vivo’s Funtouch OS.
The stock ROM is heavy, slow, and packed with bloatware. While your hardware is still capable, the software holds it back. You experience lag, slow app opening times, and that ugly UI from Android 8.1 (Oreo) that never received a proper update.
The solution? A Custom ROM.
This guide provides a general overview, and specifics may vary. Always consult your device-specific forums, like XDA Developers, for the most accurate and up-to-date instructions.
(commonly known as the ) is a budget-friendly device released in 2018 with a 6.0-inch FullView display and a Snapdragon 425 processor. Finding a "full" custom ROM review for this specific model reveals that while unofficial options exist, the device is notoriously difficult to modify due to Vivo's restrictive bootloader policies. The "Full" Custom ROM Experience
Since official support for the Vivo Y71 ended at Android 8.1 Oreo, custom ROMs are the only way to experience newer Android versions. vivo Y71 - Full phone specifications - GSMArena.com
Finding a "full paper" or academic study specifically on custom ROMs for the Vivo 1801 (Vivo Y71)
is difficult because this model is a budget-tier device from 2018, and such technical documentation usually exists in developer forums rather than academic journals.
However, based on technical data from the developer community and official support, here is the current state of custom ROM development for this device: Device Context (Vivo 1801 / Y71) April 2018 [7]. Qualcomm Snapdragon 425 (MSM8917). Original OS: Funtouch OS based on Android 8.1 Oreo [8]. The "Custom ROM" Challenge for Vivo
Vivo devices are historically difficult to modify because the manufacturer rarely allows bootloader unlocking
[3]. Without an unlocked bootloader, you cannot install custom recoveries like TWRP or flash third-party ROMs like LineageOS. Known Technical Status Limited Development
: Because of the locked bootloader, there is no official "full" paper or repository for ROMs like LineageOS or Pixel Experience specifically for the Vivo 1801. Firmware Updates
: Vivo provides official firmware packages for "Local Upgrade" if you can still access the system settings [2]. This is generally used to fix bugs or restore the device rather than "customizing" it. Project Treble
: Since the device launched with Android 8.1, it theoretically supports Project Treble
[4]. If you manage to unlock the bootloader through unofficial exploits, you might be able to flash a Generic System Image (GSI). Where to Find Real-Time Updates
If you are looking for the "paper trail" of development for this specific model, you should check these communities where independent developers post their findings: XDA Forums : Search specifically for the Vivo Y71 forum : Search for vivo 1801 custom rom full
to see if any developers have uploaded device trees or kernel sources.
Go to product viewer dialog for this item. , commonly known as the Go to product viewer dialog for this item.
, is a device that often leaves power users seeking more than what the stock FunTouch OS provides. This essay explores the technical landscape of custom ROMs for this specific model, covering the benefits, the inherent challenges of the Vivo ecosystem, and the installation process. The Allure of Custom ROMs for Vivo 1801
For many users, the primary motivation for installing a custom ROM on the
is to achieve a "pure" Android experience. Stock FunTouch OS is often criticized for its heavy skinning and pre-installed bloatware. A custom ROM, such as Evolution X or Pixel Experience , can provide:
Performance Gains: By removing background processes and bloatware, these ROMs can make the aging Snapdragon 425/450 chipset in the feel significantly snappier.
Updated Security: Custom ROMs often include the latest Android security patches long after the manufacturer has ceased official support.
Modern Features: They can bring newer Android versions (like Android 11 or even 16 via GSIs) to hardware originally stuck on older software. The Technical Hurdle: Bootloader Locking A significant challenge for
users is Vivo’s strict policy on bootloader unlocking. Unlike brands that provide official unlock codes, Vivo generally does not recommend or support third-party ROM flashing for security reasons.
Bootloader Status: To flash any custom ROM, the bootloader must be unlocked. This usually requires third-party tools or exploit-based methods, as Vivo does not provide an official toggle for "OEM Unlocking" that works as easily as on Pixel or OnePlus devices.
Risks: Attempting to bypass these locks can lead to "bricking" the device, where it becomes stuck in a boot loop or fails to turn on entirely. Common ROM Choices and GSI Workarounds Because dedicated custom ROMs specifically built for the
are rare, many enthusiasts turn to Generic System Images (GSIs).
What is a GSI?: A GSI is a standardized version of Android that can run on any device supporting Project Treble. Since the
launched with Android 8.1, it is Treble-compatible, allowing users to flash ROMs like LineageOS or crDroid as GSIs.
Stock Firmware: Before experimenting, it is crucial to have the original Vivo Y71 Stock ROM
saved. This allows you to revert the device to its factory state if the custom installation fails. The Installation Path While the specific steps vary, the general process for the After testing multiple builds from the XDA community,
Backup: Protecting all data, as the process wipes the device entirely.
Drivers: Installing the necessary Vivo USB Drivers on a PC to communicate with the phone in Fastboot mode.
Unlocking & Recovery: Utilizing a tool to unlock the bootloader and flash a custom recovery like TWRP (Team Win Recovery Project).
Flashing: Using the recovery to "wipe" the system and "flash" the custom ROM zip file or GSI image. In conclusion, while the
can be revitalized with a custom ROM to offer better performance and a cleaner interface, the process is technically demanding due to Vivo's security restrictions. It remains a popular project for hobbyists looking to extend the life of their hardware beyond official manufacturer limits.
(commonly known as the Go to product viewer dialog for this item.
) is a popular candidate for custom ROM installations to bypass Vivo's restrictive FunTouch OS. By installing a custom ROM, users can enjoy a cleaner, Stock Android-like experience and potentially newer versions of Android than those officially supported. Getting Started: The Essentials
Before you begin, you must fulfill three critical prerequisites:
Unlock the Bootloader: This is the most difficult step for Vivo devices, as the manufacturer often locks it for security. You may need to use specific third-party tools or scripts found on communities like XDA-Developers.
Install a Custom Recovery: You will need a tool like TWRP (Team Win Recovery Project) or OrangeFox Recovery to "flash" (install) the new system files.
Backup Your Data: Flashing a ROM will completely erase your internal storage. Ensure you have backed up all photos and documents. Top Custom ROMs for )
While official support varies, these ROMs are frequently ported to the
The essay explores the technical, practical, and community-driven aspects of installing a custom ROM on the Vivo 1801 (also known as the Vivo V9 or V9 Pro in some markets), a device known for its strong hardware but restrictive software.
Meta Description: Looking for a Vivo 1801 custom ROM full package? Unlock the true potential of your Vivo Y71 (1801) with our complete guide. Learn about the best Android 13/14 ROMs, installation steps, risks, and where to find stable builds.
Even the best full ROMs have bugs. Here’s how to solve the most frequent problems on the Vivo 1801.
| Issue | Solution |
|-------|----------|
| IMEI = 0 (No network) | Restore EFS backup from TWRP. Or flash persist.img from stock firmware. |
| Camera not working | Install a third-party camera (Open Camera). Use GCam mod for 1801 (SD425 version). |
| Wi-Fi MAC address changes | Edit /persist/wlan_mac.bin (requires root). |
| Screen stays black after call | Disable "Prevent accidental wake-up" in Display settings. |
| Slow charging | Flash a custom kernel (e.g., Chimera kernel for 1801). | Meta Description: Looking for a Vivo 1801 custom
100% Yes. A Vivo 1801 running LineageOS 18.1 feels like a brand new phone. The RAM management is better, the UI is fluid, and you finally get a modern dark mode and notification panel.
Final Warning: Flashing custom ROMs voids your warranty and requires technical skill. If you don't know what "SP Flash Tool" or "MTK Bypass" means, pay a professional to do this for you.
Have you flashed your Vivo 1801? Let me know which ROM you are using in the comments below!
Disclaimer: I am not responsible for bricked devices or lost IMEIs. Follow guides on XDA Forums for the "Vivo 1801" specifically.
The Go to product viewer dialog for this item. , commonly known as the Go to product viewer dialog for this item.
, is a budget-friendly device originally released with Android 8.1 Oreo. Finding a "full" custom ROM specifically built for this model can be challenging because Vivo devices often have locked bootloaders that are difficult to bypass. However, for users looking to refresh their device, Generic System Images (GSIs) and virtual ROM environments are the most viable modern solutions. ) Hardware Overview
Before flashing any software, confirm your device matches these specifications to ensure compatibility: Model Number: (also referred to as 1801i or 1724). Processor: Qualcomm Snapdragon 425 (MSM8917). RAM/Storage: 2GB/3GB RAM with 16GB internal storage. Original OS: Funtouch OS 4.0 (based on Android 8.1 Oreo). Custom ROM Options for
Because official device-specific builds (like LineageOS or Pixel Experience) are rare for this specific model, you should explore these three main avenues: 1. Generic System Images (GSI)
launched with Android 8.1, it supports Project Treble, which allows it to run Generic System Images.
Compatible ROMs: You can find GSI versions of Evolution X, LineageOS, and crDroid. Prerequisite: You must successfully unlock the bootloader , which is the primary hurdle for most 2. Virtual Custom ROMs (Non-Root Method)
If you cannot unlock your bootloader, you can use a "Virtual ROM" app like VMOS Pro. This creates a rooted Android environment inside your existing Funtouch OS.
Benefits: No risk of bricking, works without unlocking the bootloader, and provides root access within the virtual space.
Downsides: Consumes more system resources (RAM/Battery) since two operating systems are running simultaneously. 3. Unofficial TWRP & Rooting vivo Y71 - Full phone specifications - GSMArena.com
This is a generalized guide. Always follow the specific instructions from the ROM developer.
Disclaimer: Installing custom ROMs can void your warranty, risk data loss, or brick your device if done incorrectly. Back up all data and ensure you understand the steps before proceeding.