Match the exact model, region, and branch name. Similar model numbers are not the same device.
Firmware files are here on Inar Guide. Tutorials, flash tools and USB drivers are on FlashGuideHub.
The InnJoo Spark, powered by MediaTek MT6737M, is a compact device known for offering good value, but many owners deal with issues like random reboots, bootloop, laggy performance, app crashes, and touchscreen glitches. Other complaints include slow charging, Wi-Fi drops, and storage errors after updates or malware attacks. Flashing the official firmware restores factory performance, solves stuck-on-logo and soft-brick issues, and refreshes the Android OS for improved stability.
This firmware file is designed to repair repeated app crashes, deep OS bugs, touchscreen faults, bricking after failed mods, and any general instability. Use it to recover your phone from failed updates or to remove custom ROM problems and malware.
InnJoo Spark Firmware Details
| Device Name | InnJoo Spark |
| Model | Spark |
| Chipset | MediaTek MT6737M, Quad-core 1.25GHz Cortex-A53 |
| GPU | Mali-T720 MP1 |
| Android Version | Android 6.0 Marshmallow |
| RAM / Storage | 1GB RAM / 8GB ROM, microSD up to 32GB |
| Display | 5.0-inch IPS, 720×1280 pixels |
| Camera | Rear: 5 MP, Front: 2 MP |
| Battery | 2000 mAh |
| SIM | Dual SIM (Micro) |
| Firmware Version | V02_20180510_6.0 |
| Build Date | May 10, 2018 |
| File Size | 672MB |
| File Type | ZIP (Scatter File included) |
| Flashing Tool | SP Flash Tool (MediaTek) |
| Region | Global |
⚠ Warning: Only flash firmware that matches your device model. Using the wrong file can brick your device or erase IMEI. Backup all user data before flashing as this process wipes storage.
Download Official Firmware for InnJoo Spark
Fix persistent lag, crash loops, boot logo errors, dead phones, and failed updates by flashing this firmware:
📄 Filename: InnJoo_Spark_MT6737M_V02_20180510_6.0.zip
📦 Size: 672MB
🗓️ Build Date: May 10, 2018
🔢 Firmware Version: V02_20180510_6.0
🤖 Android Version: 6.0 Marshmallow
⬇️ Download Link: MediaFire (Direct Download)
How to Flash the Firmware
Use these steps to safely flash the firmware and revive your InnJoo Spark:
- Extract the ZIP and install MediaTek USB drivers and SP Flash Tool on your PC.
- Open SP Flash Tool, load the included scatter file from the firmware folder.
- Turn off your phone and connect it to PC while holding Volume Down (if required).
- In SP Flash Tool, click “Download” to start flashing. Wait for the green checkmark of success.
- Disconnect your device and reboot after the successful flash.
View the full illustrated flashing guide for MediaTek phones at this tutorial.