Follow these instructions carefully. Ensure your phone battery is charged to at least 50%. Step 1: Install the SPD Drivers

Download the Spreadtrum IMEI Tool v4.1 archive to your PC. Extract the contents using a tool like WinRAR or 7-Zip. Navigate into the extracted folder, right-click on the main executable file ( SPD_IMEI_Tool.exe or equivalent), and select . Step 2: Configure the Connection Settings

While this process targeting NVRAM shouldn't delete personal files, backing up data is highly recommended.

: Compatible with a wide range of brands using SPD chipsets, including Realme, Samsung, Tecno, iTel, Infinix, and Nokia.

Unlike older platforms that require specific BPLGU or APDB database files to match the firmware, version 4.1 can communicate directly with the phone's modem in calibration mode.

Check the box (if dual-SIM) and type the second 15-digit number. Click the Setting or Mode menu.