| Feature | Specification | |---|---| | | A4s / M760 | | Release Year | 2018 | | Operating System | Android 7.0 Nougat (upgradable to 7.1) | | Chipset | MediaTek MT6750N (28 nm) | | CPU | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | | GPU | Mali-T860 MP2 | | Memory | 2GB / 3GB RAM | | Storage | 16GB / 32GB (expandable via microSD) | | Display | 5.7-inch IPS LCD, 720 x 1440 pixels, 18:9 ratio | | Main Camera | 13 MP + 2 MP dual rear camera with LED flash | | Selfie Camera | 8 MP | | Battery | 3300 mAh Li-Polymer (non-removable) | | Connectivity | Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 4.2, GPS, GLONASS | | Sensors | Fingerprint (rear-mounted), accelerometer, proximity, gyro | | Dimensions | 152.3 x 73.0 x 8.4 mm | | Weight | 165 g | | Colors | Black, Blue, Gold |
Fixing connectivity drops or abnormal battery drain caused by corrupted system files. Important Precautions Before Flashing Your Phone
Firmware is the essential operating software that controls the hardware of your mobile device, acting as the bridge between the Android operating system and the physical components. It is stored in non-volatile memory, meaning it stays on the device even when powered off. for the China Mobile A4S Go to product viewer dialog for this item. The Android Operating System. System apps and drivers. The kernel and bootloader. The UI (User Interface) specific to China Mobile. Why Would You Need to Re-flash Firmware? china mobile a4s firmware
Unlike major manufacturers (Samsung, Xiaomi), China Mobile devices rarely have centralized support pages for firmware downloads.
In the SP Flash Tool interface, click on the button next to the Scatter-loading File field. Navigate to the extracted firmware folder. | Feature | Specification | |---|---| | |
Choose 'Download Only' (do not use 'Format All + Download' unless absolutely necessary, as it may erase your IMEI/NVRAM). Start Flashing: Click the 'Download' button.
You must install Spreadtrum USB Drivers on your PC. for the China Mobile A4S Go to product
Ensure your China Mobile A4S has at least 50% to 60% battery charge. If the phone shuts down mid-flash due to power loss, it can permanently brick the hardware. 2. Back Up Your Data