ZTE Blade A612 Firmware Flash File Download [Stock Rom]
The ZTE Blade A612, also known in some markets as the ZTE Blade A610 Plus or Voyage 5 Plus, was a popular mid-range smartphone from 2016, best known for its enormous 5000 mAh battery that offered exceptional endurance. For users who wish to manually update their device or restore a specific software version, this official OTA package is the correct file.
Important Note: This is an OTA (Over-The-Air) update package. It is designed to be installed on a functioning device through the settings menu or the stock recovery. It is not a full firmware for unbricking a dead device and cannot be used with PC-based tools like SP Flash Tool. Your phone must be running official, un-rooted stock software for the installation to succeed.
Quick Device Specs
- Device: ZTE Blade A612 (also Blade A610 Plus / Voyage 5 Plus)
- Release year: 2016
- Chipset: MediaTek MT6750T
- Display: 5.5″ IPS LCD, 1920×1080
- Battery: 5000 mAh (Non-removable)
- Memory: 2GB/3GB/4GB RAM + 16GB/32GB storage
- Camera: 13MP rear, 8MP front
- OS: Android 6.0 (Marshmallow)
Required Downloads
You do not need any special PC software or drivers to install this update. The only file required is the firmware package itself.
Stock ROM & Firmware
| Version | Android | Region | Type | Download | Size |
|---|---|---|---|---|---|
| V3.0 | 6.0 (Marshmallow) | Global | OTA | Download | ~1.3 GB |
How to Install the OTA Update Package
Before you begin, ensure your phone is charged to at least 50% and back up any important data as a safety precaution.
Method 1: Update via Settings (Local Update)
- Download and Place the File: Download the ZTE_Blade_A612…OTA.zip file. Using a file manager, place the ZIP file in the main root directory of your phone’s internal storage or on an SD card (not inside any folder).
- Navigate to System Updates: Go to Settings > About phone > System updates.
- Choose Local Update: Tap on the settings (gear) icon in the top corner and select an option like Install from SD card or Choose update package.
- Select the Package: Navigate to the .zip file you placed in the root directory and select it.
- Install: Confirm the installation. The phone will reboot, apply the update, and then restart into the updated system.
Method 2: Update via Stock Recovery
- Download and Place the File: Follow step 1 from the method above.
- Boot into Recovery Mode: Power off your phone completely. Press and hold the Volume Up + Power buttons together until the ZTE logo appears, then release to boot into recovery.
- Apply Update: In the recovery menu, use the Volume keys to scroll to Apply update from SD card and select it with the Power button.
- Choose the ZIP File: Navigate to the location of the …OTA.zip file and select it with the Power button to begin the installation.
- Reboot: Once the process is complete, select Reboot system now from the main menu.
FAQs
Q1. Can I use this file to fix my phone that won’t turn on?
No. This is an OTA update package, which requires a working phone to be installed. To fix a “bricked” MediaTek device like this one, you would need a full scatter-based firmware package and the SP Flash Tool for PC.
Q2. Will this update my phone to a newer Android version like Nougat or Oreo?
No. This is an incremental update for Android 6.0 Marshmallow. Official software support for the Blade A612 ended with Android 6.0, and there are no official newer versions available.
Q3. My phone is rooted. Why does the update installation fail?
Official OTA updates perform a system integrity check before installation. If they detect any modifications, such as root access or a custom recovery (like TWRP), the update will fail to prevent potential issues. Your device must be 100% stock to apply this update.
Q4. Will this update improve the amazing battery life of my phone?
This update may contain minor power optimizations, but the primary reason for the device’s long battery life is its massive 5000 mAh hardware capacity. The main purpose of this update is to apply bug fixes and security patches from the Android 6.0 era.
Troubleshooting (ZTE Blade A612)
- “Update failed” or “Signature verification failed”: This error almost always means your device’s system has been modified (rooted) or the downloaded file is corrupted. Ensure your device is on official stock software and try re-downloading the firmware file.
- Stuck on the ZTE logo after updating: The first boot can take 10-15 minutes. If it remains stuck, boot into recovery mode (Vol Up + Power) and select Wipe cache partition. This is a non-destructive process that can resolve boot issues. If that fails, a Wipe data/factory reset will be necessary (this will erase all personal data).
- Cannot find the update file in Settings or Recovery: Double-check that the .zip file is in the main root directory of your internal storage or SD card, not inside the “Download” folder or any other sub-folder.
- Performance issues after updating: For an older device, performance can be limited. Wiping the cache partition from recovery after an update can help clear out old temporary files and smooth out performance.
