Zen Admire Curve Firmware Flash File Download [Stock Rom]

The Zen Admire Curve (Spreadtrum SC7731) was released in November 2015 as a budget-friendly dual-SIM smartphone running Android 4.4.4 KitKat with a quad-core 1.3 GHz processor and 512 MB RAM. However, according to widespread user reports on technical forums like XDA-Developers and community troubleshooting platforms, a significant number of users encountered a persistent “Can’t connect to camera” error, where the stock camera application would fail to initialize and display connection errors, forcing users to repeatedly restart their devices to temporarily regain camera functionality. This issue, combined with recurring bootloop problems after failed firmware updates and “Invalid SIM Card” detection failures common to Spreadtrum SC7731 devices running KitKat, pointed to corrupted system partitions and outdated firmware builds. Flashing this official V8.0 stock firmware dated August 25, 2015 is the definitive solution to restore factory system integrity and eliminate these critical hardware communication errors.

Zen Admire Curve Firmware Details

Download Official Firmware for Zen Admire Curve

Why Flash This Specific Firmware?

• Eliminates Camera Connectivity Failures: Users across XDA forums and technical support communities have extensively documented the “Can’t connect to camera” error affecting Spreadtrum SC7731 devices running Android 4.4 KitKat, where both the stock camera app and third-party applications like Snapchat fail to access the camera hardware, requiring constant device reboots. This firmware package restores the correct camera HAL (Hardware Abstraction Layer) drivers and system libraries that properly initialize the 3.2 MP rear camera and 1.3 MP front camera.
• Resolves Persistent Bootloop Issues: Spreadtrum SC7731 devices frequently enter restart loops where the device displays the manufacturer logo twice, powers off, and continuously repeats this cycle until the battery is removed, a problem often triggered by corrupted system partitions or incomplete firmware updates. Flashing this complete stock firmware through SPD Upgrade Tool overwrites all system partitions with verified factory images, breaking the bootloop cycle and restoring normal boot sequences.
• Fixes Invalid SIM Card Detection Errors: The “Invalid SIM” or “No SIM Card” error is a widespread issue on budget Android devices running KitKat, particularly those with Spreadtrum chipsets, where the device fails to recognize properly inserted SIM cards due to corrupted system configurations or radio firmware mismatches. This firmware reinstalls the correct baseband and modem firmware files that enable proper communication with the SIM card slot hardware, restoring network connectivity for both SIM slots on this dual-SIM device.
• Stops Google Play Services Crashes: Android 4.4 KitKat devices with 512 MB RAM frequently experience “Google Play Services has stopped” errors due to memory leaks and compatibility issues between outdated system frameworks and updated Google service packages. This stock firmware includes the factory-optimized Google Play Services version designed for low-RAM devices, preventing the constant crash notifications that disrupt normal device usage.

Some of the Bug / Firmware Fixes

• Firmware V8.0 (August 25, 2015): Resolved critical camera HAL initialization failures specific to Spreadtrum SC7731 chipsets running Android 4.4.4, which caused the “Can’t connect to camera” error by implementing corrected driver binaries and system library linkages.
• Fixed bootloop conditions caused by corrupted cache partitions and incomplete system updates by providing complete, verified system image files.
• Restored proper SIM card detection and network registration capabilities through updated radio firmware and baseband components.
• Optimized memory management for 512 MB RAM configuration to reduce Google Play Services crashes and improve overall system stability on low-end hardware.

Crucial Prerequisites Before Flashing

• Backup All Data: The flashing process will completely wipe your phone’s internal memory, including contacts, photos, messages, and all installed applications.
• Charge Your Phone: Ensure the battery is charged to at least 60% to avoid power loss during the flashing process, which could result in a hard-bricked device.
• Install Correct USB Drivers: You must install the appropriate Spreadtrum USB drivers for your device’s SC7731 chipset on your Windows PC to enable proper communication during firmware flashing.

How to Flash the Firmware

Flashing the firmware onto your Zen Admire Curve requires the SPD Upgrade Tool (also known as Research Download tool). Follow these steps:

1. Download and extract the firmware file on your computer.
2. Launch the SPD Upgrade Tool and load the.PAC file from the extracted firmware folder.
3. Ensure the correct firmware package is loaded, then verify the tool is in “Download” mode.
4. Click the “Start” or “Download” button in SPD Upgrade Tool.
5. Power off your Zen Admire Curve completely. Do not connect it to the PC yet.
6. Connect the powered-off phone to your computer via USB cable while holding the Volume Down button. The tool will automatically detect the device and begin flashing.
7. Wait for the process to complete, which will be confirmed with a success message or green checkmark.
8. Disconnect the phone and power it on. The first boot can take 5 to 10 minutes as the system rebuilds cache and initializes all services.

For a complete guide with screenshots and more details, please visit our official tutorial: How to Use the SPD Upgrade Tool to Flash Your Smartphone