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How to Flash Nokia 105 (TA-1174) SPD Flash File (PAC) Nokia 105 (TA-1174)
is stuck on the logo, experiencing software bugs, or you need to remove a password, flashing the stock firmware is the most effective solution. This model uses the Spreadtrum (SPD) SC6531EFM chipset, which requires specific tools and a flash file. Pre-Flashing Checklist Backup Data:
Flashing will erase all personal data, including contacts and messages. Battery Level:
Ensure the phone has at least 50% charge to prevent it from turning off mid-process. USB Cable: Use a high-quality micro-USB cable for a stable connection. Required Tools & Files Nokia TA-1174 Flash File: Download the tested firmware (e.g., version 40.00.17.03). SPD USB Drivers:
Essential for your PC to recognize the device in "Boot Mode". Flash Tool: Use a compatible tool like SPD Upgrade Tool Avenger Spreadtrum Module Infinity-Box BEST Step-by-Step Flashing Guide Install Drivers: Download and install the SPD USB Drivers on your computer. Extract Files:
Extract the downloaded firmware and flash tool to your desktop. Load Firmware: Open your flash tool (e.g., SPD Upgrade Tool). "Load Packet" (gear icon) and select the TA-1174 .pac file from your extracted folder. Configure Settings: Ensure the boot block version is set correctly (typically Spreadtrum Boot Block version 1.2 Initiate Flash: button in the tool. your Nokia 105.
(usually the center OK button or the "call" button) and connect the phone to the PC via USB. Flashing Process: nokia ta-1174 spd flash file pac
The tool will show a progress bar. Once finished, you will see a "Passed" or "Finish" message.
Disconnect the USB cable, remove and reinsert the battery, and power on your device. Troubleshooting Common Issues Device Not Detected: Re-install the SPD drivers or try a different USB port. Stuck on Logo after Flash: Perform a hard reset or try a different version of the tested flash file Wrong CPU: Verify your phone is indeed the version, as some older Nokia 105 models use download link for the latest tested version of the TA-1174 firmware?
Nokia 105 (TA-1174) Flash File (PAC) Download & Flashing Guide
If your Nokia 105 (2019) TA-1174 is stuck on the logo, experiencing frequent restarts, or locked with a forgotten passcode, flashing the stock firmware is often the best solution. This model typically uses the Spreadtrum (SPD) SC6531EFM chipset, which requires a specific .pac or .bin flash file to restore the system.
Below is a complete guide to finding the right file and successfully flashing your device. Nokia TA-1174 Flash File Details
Before proceeding, ensure your file matches these specifications to avoid a "dead boot" scenario: Device Model: Nokia 105 (2019) Dual SIM Model Number: TA-1174 Chipset: Spreadtrum (SPD) SC6531EFM Firmware Format: .PAC (Spreadtrum standard) Common Version: 40.00.17.03 File Size: Approx. 2.73 MB Why Flash Your Nokia TA-1174? How to Flash Nokia 105 (TA-1174) SPD Flash
Flashing the stock ROM can resolve several critical software issues, including:
Bootloop: Fixes the "Hang on Logo" issue where the phone won't fully turn on. Forgotten Passcode: Removes the phone's security lock.
Software Glitches: Repairs corrupted OS files or "Contact Service" errors.
IMEI Repair: Useful for restoring original IMEI information if it has been corrupted. Pre-Requisites for Flashing To perform the flash, you will need the following tools:
If the device shows "IMEI = 0" or "Null," the NVRAM partition is damaged. Flashing a full PAC restores default NVRAM. (Note: You may need to write original IMEIs using tools like Maui META or SPD Write IMEI after flashing.)
Before downloading any file, verify you have the correct model: Only flash firmware meant for your exact device
| Feature | Specification | | :--- | :--- | | Model | TA-1174 (Global variant) | | Chipset | Unisoc SC9863A (28nm) | | CPU | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) | | OS at Launch | Android 9.0 (Pie), upgradable to Android 11 | | Memory | 2GB/3GB RAM; 16GB/32GB eMMC | | Display | 5.71 inches, IPS LCD |
Important: Do not mix firmware for TA-1188, TA-1182, or TA-1157. Although they share the same chipset, partition tables differ. A wrong PAC file will hard-brick your device.
A PAC (Package) file is a proprietary firmware format used exclusively for Spreadtrum/Unisoc processors. Unlike the scatter-based format used by MediaTek or the tarball format used by Qualcomm, a PAC file is a single compressed archive.
For the Nokia TA-1174, the PAC file contains all the critical partitions of the phone's memory, including:
Unisoc devices enter flash mode via BROM (Boot ROM). When the battery is connected and the phone is powered off, pressing certain buttons (usually Volume Up) while connecting USB triggers BROM. Windows will detect "SPRD U2S Diag" or an unknown device. Install the SPD drivers manually via Device Manager.