If you actually need an academic paper or a formal engineering guide about mobile device flashing protocols (SPD FDL, PAC structure, secure boot bypass), I can generate that for you instead — just clarify your real use case (e.g., research, repair training, reverse engineering).
Nokia 105 (TA-1174) Go to product viewer dialog for this item. is a dual-SIM feature phone powered by a Spreadtrum (SPD) SC6531EFM chipset. The Infinity BB5 Easy Service Tool [BEST]
is widely considered one of the most reliable professional tools for servicing this model, especially for resolving "Hang on Logo" issues, unlocking forgotten security codes, and repairing corrupted firmware. Tool Capability & Performance
This technical brief is for educational and repair purposes only. Flashing firmware carries a risk of hard-bricking the device if interrupted. Ensure all data is backed up before proceeding, as flashing will wipe user data.
The Nokia 105 (2019) Dual SIM, known by its model number TA-1174, is a popular feature phone powered by a Spreadtrum (SPD) SC6531E processor. To resolve software issues such as "Hang on Logo," security code locks, or contact service errors, technicians often use the Infinity-Box BEST (BB5 Easy Service Tool) or the BEST2 dongle to flash a fresh firmware file. Essential Pre-requisites
Before beginning the flashing process, ensure you have the following components:
Flash File: Download a 100% tested firmware version (e.g., version 40.00.17.03) in .bin or .pac format.
Infinity BEST Tool: The BEST2 dongle is required to interface with the phone’s SPD chipset.
SPD USB Drivers: Install the correct Spreadtrum drivers on your PC so the device is recognized in "Spreadtrum Boot Block" mode.
Hardware: A high-quality micro-USB cable and a fully charged battery. Flashing Guide with Infinity BEST
Extract Files: Download the Nokia TA-1174 SPD flash file and extract the contents to a folder on your computer. nokia ta1174 spd flash file infinity best
Open BEST2 Tool: Launch the Infinity BEST software and navigate to the SPD or Feature Phone tab.
Select Model: Choose TA-1174 or the SC6531E CPU type from the dropdown menu.
Load Firmware: Click on the "Flash File" or "PAC" button to browse and select the downloaded firmware file.
Initiate Flash: Click the Write or Start button in the tool. Connect Device: Power off the phone and remove/reinsert the battery.
Hold the Boot Key (usually the center "OK" button or the call button). Connect the phone to your PC via USB while holding the key.
Monitor Progress: The tool should show "Spreadtrum Boot Block version 1.2" and begin writing the file. Do not disconnect the cable until you see a "Success" or "Finished" message. Common Fixes & Security Codes YouTube·AD MOBILE GSM SOLUTION
How to Flash Nokia 105 (TA-1174) SPD Flash File Using Infinity BEST If you are dealing with a Nokia 105 (TA-1174)
that is hanging on the logo, suffering from software glitches, or locked with a forgotten security code, flashing the stock firmware is often the most reliable fix. This specific model uses a Spreadtrum (SPD) SC6531EFM CPU , requiring specialized tools like the Infinity BEST (BB5 Easy Service Tool) or a compatible SPD flasher for a successful repair.
In this guide, we’ll walk through the process of using the Infinity BEST dongle to write the flash file and restore your device. Prerequisites for Flashing Before starting, ensure you have the following ready: Infinity BEST Dongle : Properly set up on your PC. Flash File : Download the tested Nokia TA-1174 firmware (usually a SPD USB Drivers
: Essential for the computer to communicate with the phone's Spreadtrum processor. Micro-USB Cable : A high-quality cable to prevent connection drops. Battery Charge : Ensure the phone has at least 50% battery. Step-by-Step Flashing Guide Extract the Firmware If you actually need an academic paper or
: Download and extract the Nokia TA-1174 flash file on your computer. Launch Infinity BEST : Open the Infinity BEST software on your PC. Select the Model : Navigate to the SPD/Service tab. Choose the correct CPU type—look for or the specific profile if available in your version of the tool. Load the Flash File : Click on the 'Write Flash' 'Select File'
button and browse to the folder where you extracted the firmware. Select the Prepare the Device : Power off your Nokia 105. Initiate the Process : Click the button in the tool. Connect the Phone : While the tool is waiting, hold the
(usually the center OK button or the 'Call' button) and connect the phone to your PC via USB. Flashing Progress
: Once the tool detects the device, the flashing progress bar will start. Do not disconnect the cable until the process is complete.
: Once you see a "Finished" or "Success" message, unplug the device and power it on. Common Issues Fixed by This Method Hang on Logo
: Restores the OS if the phone won't boot past the Nokia screen. Security Code Removal
: Resets forgotten passwords when a hard reset isn't possible. LCD White Screen : Fixes display issues caused by corrupted software. Auto-Restart
: Resolves software loops that cause the phone to reboot repeatedly. Important Safety Note
: Flashing will erase all personal data, including contacts and messages. Always attempt a backup if possible. Disclaimer
: Flashing firmware carries a small risk of "bricking" the device if the wrong file is used or power is interrupted. Proceed with caution. Need a different version? Official HMD Support Page for user guides and standard troubleshooting for the for other Nokia feature phone models? This technical brief is for educational and repair
To flash or service the Nokia 105 (TA-1174) Infinity BEST (BB5 Easy Service Tool) or tool, you need to use firmware compatible with its Spreadtrum (SPD) SC6531EFM . This device is often serviced using the Infinity-Box BEST2
module specifically designed for newer Nokia SPD and MTK phones. Firmware & Tool Details Device Model: Nokia 105 (2019) Spreadtrum (SPD) SC6531EFM. Latest Tested Version: 40.00.17.03. Required Software: Infinity-Box BEST2 (Chinese Miracle 2 Spreadtrum module). How to Flash using Infinity BEST2 Download Firmware: Obtain the tested flash file (often in Open Tool: Launch the Infinity BEST2 software on your PC. Select Model: Choose the Nokia 105 (TA-1174) from the device list. Load File:
Go to the "Flashing" or "Service" tab and select your downloaded firmware file. Connect Device: Power off the phone and remove the battery. "Write Flash" "Reset Settings" in the software.
Reinsert the battery and connect the phone to the PC via USB without holding any keys (or use the boot key if specified by the tool, usually the "OK" or center button). Flashing Process:
The software will recognize the SPD port and begin the flashing or reset process. Common Service Operations Hard Reset/Pattern Unlock:
Use the "Reset Settings" option in BEST2 to format the device and remove user codes. Hang on Logo Fix:
Flashing the full firmware typically resolves boot loops or "hang on logo" issues. back up your data
For a cheap phone like the Nokia TA1174, some technicians use free tools like Research Download R27. However, the risk of "BROM 0x7D8" errors is high. The Infinity Best box transforms a risky 10-minute operation into a safe, 2-minute process.
Using the correct Nokia TA1174 SPD flash file with Infinity Best ensures that you don't just fix the boot loop—you preserve the device's security partition, fix FRP in one click, and guarantee a profit on your repair time.