For dedicated Spreadtrum/Unisoc users, v41 is the best free option available.
🛑 : Software modifications should only be used to restore original, lost IMEI numbers after firmware corruptions. spreadtrum imei tool v41 updated
: Works with various Spreadtrum processors (SC6531, SC7731, etc.) and supports both firmware formats. Updated Driver Support For dedicated Spreadtrum/Unisoc users, v41 is the best