The ZTE Blade A611C (model BA611C) is a budget-friendly 4G smartphone from 2016 designed for users who prioritize battery life. Its key feature is a large 4000 mAh battery, which was exceptional for a device in its class, providing excellent endurance. Powered by a MediaTek MT6735 processor, it’s a reliable daily driver. This guide provides the official stock ROM, which is essential for unbricking the device, fixing software bugs, or restoring the phone to its original factory state.
Important: This firmware is specifically for the ZTE Blade A611C (BA611C). As a MediaTek device, it requires the SP Flash Tool for flashing. Flashing this on a different model will cause a hard brick. This process will erase all data on your device.
Quick Device Specs
- Device: ZTE Blade A611C (BA611C)
- Release year: 2016
- Chipset: MediaTek MT6735
- Display: 5.0″ IPS LCD, HD
- Battery: 4000 mAh
- Original OS: Android 5.1 Lollipop
Required Downloads
To flash a MediaTek device, you will need the specific drivers and flashing tool. You can find the downloads for these in our main guide linked below.
- SP Flash Tool
- MediaTek VCOM USB Drivers
Stock ROM (Firmware)
| Build Date | Android | Type | Download | Chipset |
|---|---|---|---|---|
| (Undated) | 5.1 | SP Flash Tool Firmware | Download | MediaTek |
How to Flash the Stock Firmware
Flashing the stock ROM onto your ZTE Blade A611C requires a Windows PC and the SP Flash Tool. The process involves installing the MediaTek VCOM drivers, loading the MT6735_Android_scatter.txt file from the firmware into the tool, and then connecting your powered-off phone to start the flash. This will completely restore your device to its original factory software.
For detailed, step-by-step instructions with screenshots and tool download links, please follow our comprehensive pillar guide: How to Flash Firmware with SP Flash Tool.
Device-Specific Troubleshooting for ZTE Blade A611C
- Correct Driver Installation: The most common failure point is incorrect drivers. If the tool doesn’t see your phone, you must install the MediaTek VCOM drivers, which often requires you to disable ‘Driver Signature Enforcement’ in Windows first.
- Using the “Boot Key”: To initiate the flash, power the phone off completely. Press and hold the Volume Down button, and while holding it, connect the phone to your PC. The tool should then detect it and begin the process. If Volume Down doesn’t work, try holding Volume Up.
- Fixing a “Dead” Phone That Won’t Charge: If your Blade A611C is completely dead and doesn’t show a charging animation, the issue could be a deep software crash. Flashing this stock ROM can sometimes revive the device by rewriting the bootloader and charging controller software. This is often a necessary first step before assuming a hardware fault.
- Safer Flashing (Uncheck Preloader): For a safer flashing process that is less likely to cause a hard brick, it is highly recommended to uncheck the `preloader` partition in SP Flash Tool before clicking Download. Flashing an incorrect preloader is the most common cause of a permanently dead phone.
FAQs
Q1. What was the main selling point of the Blade A611C?
Its primary feature was the massive 4000 mAh battery in a compact 5-inch phone, offering exceptional battery life that could easily last two days or more, a feature that was rare for its time.
Q2. What is the difference between the Blade A610 and A611C?
They are very similar devices often sold in different regions under different names. However, they can have minor hardware revisions or be for different carriers. It is always safest to flash the firmware that matches your exact model number to ensure full compatibility.
Q3. Will this fix a phone that is stuck on the ZTE logo?
Yes. Being stuck in a “bootloop” is a classic software issue. Flashing the stock ROM completely reinstalls the operating system and is the most reliable way to fix this problem.
Q4. Will this process erase my data?
Yes. Flashing the stock ROM with SP Flash Tool will perform a full factory reset and completely wipe all personal data, apps, and settings from your device.
