The nvram partition on the A10s stores Bluetooth MAC, Wi-Fi address, and . If you use “Format All + Download” without an NVRAM backup, your cellular radio will die.
Flashing modifies the device software at a hardware-near level. Proceed at your own risk. The author and platform are not responsible for IMEI nullification, hardware damage, or voided warranties. Some steps may violate Samsung’s terms of service in certain jurisdictions. Always comply with local laws. A10s SM-A107F Scatter Firmware