Introduction
The Infinix Smart 3 Plus (Model: X627) is an affordable Android smartphone known for its triple rear cameras, HD+ waterdrop display, and smooth performance thanks to its MediaTek Helio A22 chipset. It runs on Android 9 Pie with Infinix's XOS interface and is ideal for everyday use like browsing, media, and social apps.
However, software issues such as boot loops, system crashes, or failed updates can affect performance. If your device isn’t working as it should, flashing the official stock firmware (flash file) can help restore it to its original, stable state.
In this article, you’ll find the full guide to flashing the Infinix Smart 3 Plus X627 firmware, including its benefits, technical info, requirements, and flashing steps.
What Is Stock Firmware?
Stock firmware (or flash file/ROM) is the official operating system released by Infinix for your phone model. It includes:
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Android OS (Android 9.0 Pie)
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XOS interface
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Pre-installed apps and system drivers
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Factory settings and security patches
Flashing this ROM replaces your current system software with a clean version, helping to fix most software-related problems.
Why Flash the Infinix Smart 3 Plus Firmware?
You might need to flash the firmware for reasons like:
🔁 Phone stuck on boot screen or boot loop
🧱 Device soft-bricked after failed root or ROM mod
🔒 Forgotten password, PIN, or pattern
⚠️ Apps crashing, lagging, or freezing frequently
🆙 Manual OS upgrade/downgrade
🔄 Fix FRP (Google account lock)
📶 Issues with signal, network, or IMEI
Infinix Smart 3 Plus (X627) Firmware Information
| Property | Details |
|---|---|
| Device Name | Infinix Smart 3 Plus |
| Model Number | X627 |
| Android Version | Android 9.0 Pie |
| XOS Version | XOS 5 |
| Processor (SoC) | MediaTek Helio A22 (MT6761) |
| Firmware Type | Official Stock ROM |
| Firmware Format | Scatter File (.txt) |
| Flash Tool Needed | SP Flash Tool |
| File Size | ~1.5 – 2.0 GB |
⚠️ Important: Always flash the firmware that matches your exact model number X627 to avoid bricking your device.
Before You Begin – Requirements
Prepare the following:
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A Windows PC or laptop
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Infinix Smart 3 Plus X627 firmware package (unzipped)
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SP Flash Tool
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MediaTek USB VCOM Drivers installed
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A good quality USB data cable
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At least 60% battery charge
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Backup of all personal data (flashing erases everything)
👇 𝗖𝗹𝗶𝗰𝗸 𝗛𝗲𝗿𝗲 𝗧𝗼 𝗗𝗼𝘄𝗻𝗹𝗼𝗮𝗱
How to Flash Infinix Smart 3 Plus (X627) Stock Firmware
⚠️ Disclaimer: Flashing firmware can be risky if done incorrectly. Follow each step carefully. Proceed at your own risk.
🔧 Flashing Instructions
Step 1: Extract Firmware Package
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Download and unzip the firmware file
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Locate the scatter file (e.g.,
MT6761_Android_scatter.txt)
Step 2: Install USB Drivers
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Install the MediaTek USB VCOM drivers on your PC
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Reboot the PC if required
Step 3: Open SP Flash Tool
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Launch SP Flash Tool as Administrator
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Click Scatter-loading and browse for the
.txtscatter file
Step 4: Load and Configure
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SP Flash Tool loads all partitions
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Select Download Only mode
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(Optional) Uncheck Preloader to reduce risk of hard brick
Step 5: Connect Phone
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Power off the phone completely
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Click Download in SP Flash Tool
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Connect the phone to your PC via USB
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(Hold Volume Down or Up if the tool doesn't detect the phone)
Step 6: Flashing Process
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Wait for flashing to complete
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A green checkmark "Download OK" means success
Step 7: Reboot Device
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Disconnect the phone
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Power it on — the first boot may take a few minutes
After Flashing
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Set up your phone: language, Wi-Fi, Google account, etc.
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Check essential features: calls, messages, Wi-Fi, camera
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Dial *#06# to verify IMEI number
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Update apps and system (if required)
Common Flashing Issues & Fixes
| Issue | Fix |
|---|---|
| Phone not detected | Reinstall USB drivers, try another USB port/cable |
| Flash stuck at 0% | Restart SP Flash Tool, reselect scatter file |
| Authentication error | Try a different tool version or correct DA file |
| Bootloop after flashing | Perform factory reset from recovery mode |
| IMEI lost or null | Use SN Writer or Maui META Tool to restore IMEI |
Tips & Precautions
✅ Confirm your model is X627 before flashing
🔌 Use a reliable USB cable and avoid interruptions
🧠 Stick to Download Only mode unless full format is necessary
🔐 Some firmware versions may remove FRP lock automatically
📁 Always backup your data before flashing
Final Thoughts
Flashing the Infinix Smart 3 Plus (X627) stock firmware is a powerful method to recover your device from software issues or soft-brick situations. Just be sure to follow the correct procedure and use the right files for your model.
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