You must install SPD USB Drivers on your PC so the computer recognizes the phone in "BOOT" mode. Basic Flashing Steps Install the SPD Drivers on your computer. Open your chosen Flash Tool (e.g., SPD Upgrade Tool). Load the TA-1174 firmware file into the tool. Click the Start button.

Here is a blog post looking into what this file is, why you might need it, and how to use it safely.

Examples

SPD stands for , a Chinese semiconductor company now merged into Unisoc. Unlike Qualcomm or MediaTek, Spreadtrum chips require specialized flashing protocols.

Bypasses or resets a forgotten user lock or security PIN when manual hardware resets fail.

If you are determined to flash the Nokia TA-1174:

Flashing the firmware can resolve a variety of issues, including:

Once the computer detects the phone via the SPD driver, the software will show a progress bar. You can now release the boot key.