The Innjoo Fire 3 Air LTE is a low-cost 4G smartphone running Android 6.0, offering a 5.5-inch display and impressive connectivity for its segment. However, many users experience issues like random bootloops, quick battery drain, frequent overheating, app crashes, and unreliable camera focus—especially after software or OTA updates. Touchscreen lag, unstable LTE connections, and failed system updates are common complaints. Installing the official firmware below can solve these issues, unbrick devices stuck at boot, remove FRP lock, and restore fast, bug-free operation.
Innjoo Fire 3 Air LTE Firmware Details
| Device Name: | Innjoo Fire 3 Air LTE |
| Model: | Fire 3 Air LTE |
| Chipset: | MediaTek MT6737 (Quad-Core 1.3GHz Cortex-A53) |
| GPU: | Mali-T720 MP2 |
| Android Version: | Android 6.0 Marshmallow |
| Firmware Version: | 20160812_6.0 |
| Build Date: | August 12, 2016 |
| File Size: | 1.02GB |
| File Type: | Scatter Firmware (.zip, SP Flash Tool) |
| Flashing Tool: | SP Flash Tool (for MTK) |
| Display: | 5.5-inch IPS LCD, 720 × 1280 pixels |
| RAM / Storage: | 1GB RAM / 16GB ROM (expandable via microSD, up to 128GB) |
| Rear Camera: | 8MP autofocus, LED flash |
| Front Camera: | 2MP |
| Battery: | 3000mAh Li-Po (non-removable) |
| SIM: | Dual SIM (micro) |
| Network: | 4G LTE (Band 3), 3G, 2G |
| Other: | Wi-Fi, Bluetooth 4.1, GPS, micro USB |
Download Official Firmware for Innjoo Fire 3 Air LTE
This firmware resolves boot failures, failed updates, reset errors, network bugs, severe lag, and persistent app crashes. Use it for unbricking, removing screen lock, or returning to stock performance after rooting attempts.
📄 Filename: Innjoo_Fire_3_Air_LTE_20160812_6.0.zip
📦 Size: 1.02GB
🗓️ Build Date: August 12, 2016
🔢 Build Version: 20160812_6.0
🤖 Android Version: 6.0 Marshmallow
⬇️ Download Link: MediaFire
How to Flash the Firmware
Follow these 5 quick steps to safely flash Innjoo_Fire_3_Air_LTE_20160812_6.0.zip to your phone:
- Download and extract
Innjoo_Fire_3_Air_LTE_20160812_6.0.zipand the SP Flash Tool on your PC. - Install the Mediatek USB drivers and open the SP Flash Tool.
- Load the firmware’s scatter file into SP Flash Tool from the extracted files.
- Turn off your Fire 3 Air LTE and connect to PC via USB cable.
- Click “Download” in SP Flash Tool and wait for completion before rebooting your phone.
See the complete flashing walkthrough with visuals at this MTK flashing guide.





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