Sp7731e1h10native — Sprd

As of 2025-2026, Unisoc (formerly Spreadtrum) has moved to the T-series (Tiger) chips like the T606 and T820. The SC7731E line is officially end-of-life.

However, because millions of devices (Nokia C1, Alcatel 1C, ZTE Blade A3, Lava Z61) still run this chip, developers are maintaining legacy LineageOS 18.1 (Android 11) builds specifically for the sp7731e1h10native board.

The SPRD SP7731E1H10 (often written as SC7731E or similar) is an ARM Cortex-A7 based SoC from Unisoc (formerly Spreadtrum). The term “native” in this context typically refers to bare-metal programming, the RTOS environment, or the low-level boot & firmware stack without a full Linux/Android kernel. Understanding its native environment is essential for bootloader development, secure firmware, power management, and proprietary RTOS tasks. sprd sp7731e1h10native

This suffix is the most technical part.

Thus, sprd sp7731e1h10native is the build fingerprint used by the ro.board.platform and ro.chipname properties in the build.prop file. As of 2025-2026, Unisoc (formerly Spreadtrum) has moved

To understand why you see this string in logcats (logcat | grep sp7731e1), you must understand the chip itself.

| Feature | Specification | | :--- | :--- | | Process | 28nm HPC+ | | CPU | 4x ARM Cortex-A7 @ 1.3 GHz | | GPU | ARM Mali-T820 MP1 @ 600 MHz (No Vulkan, only OpenGL ES 3.1) | | Memory | 32-bit LPDDR2/LPDDR3 (max 3GB, typically 1-2GB) | | Storage | eMMC 5.0 | | Modem | 4G LTE Cat4 (150 Mbps down, 50 Mbps up) – Dual SIM Dual Standby | | Display | 1440 x 720 (HD+) @ 60Hz | | Video | 1080p@30fps decode (H.264), 720p@30fps encode | | Android Version | Officially supports Android 10 (Go) and Android 11 (Go) | Thus, sprd sp7731e1h10native is the build fingerprint used

On a rooted device, the sprd sp7731e1h10native artifacts are stored in specific partitions. If you are backing up firmware, look here:

| Partition | Path (in root) | Contains | | :--- | :--- | :--- | | Vendor | /vendor/lib/hw/ | camera.sprd.so, gps.sprd.so, hwcomposer.sprd.so | | System | /system/build.prop | ro.product.board=sp7731e1h10native | | Persist | /mnt/vendor/persist/ | Wi-Fi MAC and native calibration data for the h10 board. | | ProdNV | /dev/block/by-name/prodnv | IMEI and modem configuration (unique to Spreadtrum). |

Warning: Do not erase the prodnv partition. If you do, the native modem firmware will not boot, and you will lose IMEI permanently.