. This allowed technicians to fix "Invalid IMEI" issues even when the phone wouldn't boot fully into Android, a common problem for bricked SC7715 devices. Modern Alternatives : For those without professional boxes, the SPD WriteIMEI Tool
: A standard PC-based utility specifically for Spreadtrum devices. It requires the device to be connected in "Download Mode" via USB.
Do not do this. Writing a custom or fake IMEI number is often a criminal offense. These tools should only be used to restore the original IMEI that is printed on your phone's box.
Hold down the or Volume Up key (the boot key varies by device manufacturer) and connect the phone to the PC via the USB cable. Step 7: Complete the Process
Select (or choose SCI Android if a specific SC7715 profile is missing in your sub-version).
If you work with multiple Spreadtrum/Unisoc phones, the is a far more robust solution. It supports a very wide range of SPD and UniSoc CPUs, from older chips like the SC7715 to modern ones like the SC9863A.
Do not download random "SC7715 IMEI Tool" files from unknown forums. Many contain malware or are deliberately broken to sell "paid fixes." We will point you to verified, clean sources.
Most devices require being booted into Diag Mode or Factory Mode before connection. 📝 Usage Guide (Fixed Version) Launch: Open WriteIMEI.exe with Administrator privileges.
This is a more serious problem. If your baseband version is "unknown" in the settings (About Phone > Status), it means your phone's modem software is corrupted. In this case, you cannot repair the IMEI directly. You must first flash the for your exact phone model using a tool like the SPD Upgrade Tool, which will restore the baseband.
A popular multi-purpose service tool used by technicians. It features a dedicated "SPD" tab with an "Write IMEI" function that easily bypasses secure bootlocks on older platforms. Step 3: How to Fix the IMEI Using WriteIMEI Tool
Windows 7, 8, 10, or 11 (64-bit is recommended).
Download and install the latest SPD package to allow your computer to communicate with the phone in diagnostic mode.
