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 Halo 2 3G is a compact Android device for affordable daily use, but many users encounter frustrating issues like bootloops, extreme battery drain, intermittent freezing, and glitchy apps. Long-term users also report slow charging, inaccessible storage, and persistent lag even after resets. A full firmware flash is the best way to restore your Halo 2 to healthy operation, eliminate deep-rooted software hiccups, and fix most performance and battery problems.
This official firmware package will help recover your phone if it’s stuck on the logo, soft-bricked after an update, or struggling with endless app crashes and slowdowns. After successful flashing, you’ll regain full stock performance, improved speed, and all default system features.
InnJoo Halo 2 3G Firmware Details
| Device Name | InnJoo Halo 2 3G |
| Model | Halo 2 3G |
| Chipset | Spreadtrum SC7731C (Quad-core 1.2GHz) |
| GPU | Mali-400 |
| Android Version | Android 6.0 Marshmallow |
| RAM / Storage | 1GB RAM / 8GB ROM, microSD up to 32GB |
| Display | 5-inch TN, 480×854 pixels |
| Camera | Rear: 5 MP (LED Flash), Front: 2 MP |
| Battery | 2000 mAh (removable) |
| SIM | Dual SIM (Mini) |
| Firmware Version | 20161227_6.0 |
| Build Date | December 27, 2016 |
| File Size | 830MB |
| File Type | ZIP (PAC file included) |
| Flashing Tool | SPD Upgrade Tool (ResearchDownload) |
| Region | Global (EMEA/Asia) |
⚠ Warning: Always confirm your device model. Flashing improper firmware or skipping steps can brick the phone or erase critical system info. Keep a backup—flashing wipes all data.
Download Official Firmware for InnJoo Halo 2 3G
Use this firmware to repair bootloop, restore lost performance, and resolve battery or stability issues:
📄 Filename: InnJoo_Halo_2_3G_20161227_6.0.zip
📦 Size: 830MB
🗓️ Build Date: December 27, 2016
🔢 Version: 20161227_6.0
🤖 Android Version: 6.0 Marshmallow
⬇️ Download Link: MediaFire (Direct Download)
How to Flash the Firmware
Follow these summarized steps to safely restore your InnJoo Halo 2 3G:
- Extract the ZIP on your PC and install Spreadtrum drivers plus SPD Upgrade Tool.
- Open SPD Upgrade Tool and load the included PAC file.
- Turn off your phone and connect it via USB while holding Volume Down.
- Click “Start” in the tool and wait until the process completes successfully.
- Disconnect and reboot the device.
See the full flashing guide with images at this tutorial for Spreadtrum devices.