Download the official Cubot J3 firmware (Stock ROM) to resolve bootloop and restore your device. This file contains the Flashing Utility, USB Driver, and visual instructions. File Size: 612 MB.
Download Cubot J3 Stock Firmware
📂 Cubot J3 Firmware Specifications
| File Name | Cubot_J3_MT6580_20180525_8.1.0(Flash-Files.Net).zip |
| Device Model | Cubot J3 |
| Install Method | Guide How to Flash Firmware |
| Size | 612 MB |
| Flash Tool | |
| Download |
🛠️ Essential Tools
Installation Guide: Cubot J3
Follow these steps to flash the firmware on your Cubot J3 correctly. Make sure your battery is charged.
Phase 1: Setup
Get the firmware and extract it on your PC. Check that you have the Flash Tool and USB Drivers inside the folder.
Phase 2: Drivers
Setup the provided USB Drivers so your computer detects the Cubot J3.
Step 3: Flash
Launch the Flash Tool, load the firmware file, and connect your device as instructed. Click "Start" to commence flashing.
Frequently Asked Questions
Is this Cubot J3 firmware official?
Yes, the firmware provided here is 100% official from the manufacturer for Cubot J3.
Does flashing Cubot J3 delete data?
Yes, flashing Cubot J3 stock firmware typically wipes user data. Please backup your data before proceeding.
What is the Cubot J3 file size?
The Cubot J3 firmware file size is 612 MB. Make sure you have enough storage space.
Are the download links safe?
Yes, all download links provided are 100% safe and scanned for malware. We provide direct links to official firmware files.
If you face any issue installing Cubot J3, please comment below.
