: Ensure the SPD USB Drivers are installed so your PC can recognize the device in "Diag" or "Calibration" mode.
This tool is commonly used for brands utilizing Unisoc/SPD chips, such as:
: Type the 15-digit IMEI number into the corresponding input fields in the main window. Connect the Device : Power off your phone completely. Click Write or Start in the tool.
is a Windows-based utility used to repair or write IMEI numbers, Bluetooth addresses, and Wi-Fi MAC addresses on mobile devices powered by Spreadtrum (SPD) or Unisoc chipsets. Prerequisites
: Unzip download-writeimei-r17-0001-zip and launch WriteIMEI.exe as an administrator. Configure Settings : Click the Set or Mode Select button.