Subject: Technical Report on Nokia TA-1174 Flash File (SPD Spreadtrum) Date: October 26, 2023 Prepared For: Technical Support / Mobile Repair Technicians Device Model: Nokia TA-1174
1. Executive Summary This report outlines the technical specifications, firmware details, and flashing procedures for the Nokia TA-1174. This device utilizes a Spreadtrum (UNISOC) chipset, requiring specific SPD-based tools for firmware installation. The report details the file structure, necessary tools, and critical precautions to prevent device hard-bricking. 2. Device Specifications
Model Name: Nokia 110 (2023) / Nokia 110 Plus (Varies by region, generally entry-level feature phone). Model Number: TA-1174 Chipset (CPU): Spreadtrum (UNISOC) SC6531E or similar entry-level SPD processor. OS Type: Nokia Series S30+ (Feature Phone OS). Flash Interface: USB (Bootrom mode required for flashing).
3. Firmware (Flash File) Details The "Flash File" for this device is essentially the operating system image. Due to the Spreadtrum architecture, the firmware is usually provided in a specific binary format. nokia ta 1174 flash file spd
File Format: .pac (PAC Archive). This is the standard container for Spreadtrum firmware. Typical Firmware Contents:
fdl1.fd / fdl2.fd (Flash Downloader files - bootloader components). nvitem.bin (Non-volatile items - calibration data). prodnv.bin (Product NV - often contains default ringtones and settings). boot.img / main.bin (Main operating system).
FileVersion: Firmware versions typically follow nomenclature like 005.005 or similar regional variants. Subject: Technical Report on Nokia TA-1174 Flash File
4. Required Tools & Drivers To flash the Nokia TA-1174 using an SPD file, the following software environment is mandatory:
Spreadtrum Drivers (SCI USB Driver): Essential for the computer to recognize the device when it is in Download Mode. Flash Tool:
SPD Research Tool (Spreadtrum Upgrade Tool): This is the industry-standard tool for flashing .pac files. Nokia Online Service Tool: Alternative official tools used by Nokia Care centers. The report details the file structure, necessary tools,
5. Flashing Procedure (Methodology) Step 1: Driver Installation Install the Spreadtrum USB Drivers on the Windows PC. Without these, the device will not be detected in Bootrom mode. Step 2: Launch Tool Open the SPD Research Tool (often referenced as UpgradeDownload.exe or ResearchDownload.exe ). Step 3: Load Firmware Click on the "Load Packet" or "Browse" button (usually represented by a folder icon) and select the downloaded .pac file for the Nokia TA-1174. Wait for the tool to parse the file. Step 4: Configuration
Ensure the "Download" or "Upgrade" option is selected. Critical Note: If "Calibration" or "NV" items are unchecked in the tool, it will wipe user data but save calibration (signal/WiFi) data. If the phone is totally dead, all partitions must be flashed.