ZTE Blade A610 (BA611C / BA611T) Firmware Flash File Download [Stock Rom]
This page provides the official stock firmware for the ZTE Blade A610, covering model variants such as BA611C and BA611T. This budget smartphone from 2016 was celebrated for its massive 4000 mAh battery. For owners of this device, flashing the stock firmware is the best way to resolve deep-seated software issues, fix battery calibration errors, and restore a phone to its original factory condition.
Important Note: This device is powered by a MediaTek MT6735 chipset and runs the outdated Android 5.1 Lollipop. The restoration process requires the use of SP Flash Tool.
Quick Device Specs
- Device
- ZTE Blade A610 (BA611C / BA611T)
- Release year
- 2016
- Chipset
- MediaTek MT6735P
- Display
- 5.0″ HD IPS LCD (1280×720)
- Battery
- 4000 mAh (Non-removable)
- Memory
- 1GB/2GB RAM + 8GB/16GB storage
- Camera
- 8MP/13MP rear, 5MP front
- OS
- Android 5.1 (Lollipop)
Required Downloads
| File / Tool | Download Link |
|---|---|
| SP Flash Tool | Download Tool |
| MediaTek USB VCOM Drivers | Download Drivers |
Stock ROM & Firmware
Please choose the firmware that matches your device’s specific model variant (check in Settings > About phone). While they may be cross-compatible, using the correct version is always safest.
| Model Variant | Android | Region | Type | Download | Size |
|---|---|---|---|---|---|
| BA611T | 5.1 (Lollipop) | Global | SP Flash Tool | Download | ~1.0 GB |
| BA611C | 5.1 (Lollipop) | China / Global | SP Flash Tool | Download | ~1.0 GB |
Quick Flashing Guide
- Download and install the MediaTek VCOM drivers and the SP Flash Tool on your computer.
- Extract your chosen firmware ZIP file to find the `MT6735_Android_scatter.txt` file.
- Launch SP Flash Tool, load the scatter file, and ensure the flashing mode is set to “Download Only.”
- Power off your phone, click the “Download” button in the tool, and then connect the phone to your PC via USB to begin.
For a complete, step-by-step tutorial with screenshots, please refer to our definitive guide:
How to Flash Stock Firmware on MediaTek (MTK) Smartphones
FAQs
Q1. What is the difference between the BA611C and BA611T models?
They are regional or carrier variants of the same ZTE Blade A610 phone. The core hardware is identical, but they may have different pre-loaded software or be configured for different cellular network bands. It is always best to flash the firmware that matches your specific model number.
Q2. Is this the same as the Blade A610 Plus / A612?
No. The Blade A610 is the smaller 5.0-inch model. The Blade A610 Plus (or A612) is a different, larger 5.5-inch phone with a more powerful chipset and a massive 5000 mAh battery. Their firmwares are not interchangeable.
Q3. My 4000 mAh battery drains very quickly. Will this fix it?
Yes, abnormal battery drain is often caused by software bugs or rogue background processes. A clean flash of the stock firmware will eliminate these software issues and restore the battery’s performance to its factory potential. After flashing, let the phone run through a few full charge cycles to recalibrate.
Device-Specific Troubleshooting
- “Invalid IMEI” or “NVRAM WARNING” after Flashing: This is the most critical risk when flashing MediaTek phones. It happens if you use the “Format All + Download” option in SP Flash Tool, which erases your phone’s unique network identifiers. To prevent this, ALWAYS use the “Download Only” mode. If your IMEI is already lost, restoring it is a very advanced process.
- Sudden Battery Percentage Drops: A common issue on this model is the battery percentage jumping or dropping suddenly. This is a software calibration error. A full firmware flash is the best way to fix this. After flashing, let the phone fully discharge until it turns off, then charge it to 100% without interruption to help the system re-learn the battery levels.
- Overheating While Charging: While it’s normal for a large 4000 mAh battery to get warm, excessive heat can indicate a problem. A firmware flash can fix software bugs causing the phone to draw too much power. If it still gets very hot after a clean flash, you may be using a non-original or faulty charger.
- SP Flash Tool Doesn’t Detect the Phone: This is almost always a driver issue. Reinstall the VCOM drivers (disabling driver signature enforcement in Windows first), restart your PC, and use a high-quality USB cable. Ensure the phone is completely powered off before connecting it.
