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.
