: Your PC is failing to recognize the device over the USB port. Uninstall your existing phone drivers, install the certified Spreadtrum USB Driver pack, and test a different, physical USB port on the back of your computer motherboard.
Follow these instructions carefully to rewrite the .pac file using standard free tools. Step 1: Extract Files and Setup Drivers
Inside the tool interface, click the (Load Packet) located at the top-left corner.
| Error | Likely Fix | |-------|-------------| | ERROR: S_FT_ENABLE_DRAM_FAIL | Wrong PAC file (hardware revision mismatch) or dead battery. | | USB device not recognized | Reinstall SPD drivers; try different USB port (USB 2.0 preferred). | | Checksum error | Corrupt PAC file – re-download from another source. | | NVRAM write fail | Flash again with “Format All” unchecked; or manually restore NVRAM backup. |
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Before you begin, you need to gather the necessary tools. Flashing is a technical process that requires precision. Here’s what you'll need:
Usually the center "OK" button or the "Up" navigation key is held while connecting the USB cable to a powered-off phone. General Flashing Procedure
Your computer needs the right drivers to "talk" to your phone. The SPD tool package often includes the required drivers. If not, you can find them on forums like Hovatek or the official SPD Flash Tool website.
: Restores power to a device that has completely shut down due to an interrupted upgrade or system error. Prerequisites for Flashing : Your PC is failing to recognize the
Wait a few moments for the software to parse and load the packet details into the system path window. Step 3: Connect the Device via Boot Key Power off your
The is the official factory firmware required to repair software malfunctions on the Nokia 105 (2019) fourth-edition feature phone. Equipped with a Spreadtrum (SPD) / Unisoc SC6531EFM chipset, this device requires a specific .pac format firmware file to execute repair tasks such as removing lock codes, fixing boot loops, and restoring corrupted system memory.
When you download a flash file for the TA-1174 from a reputable source, it will often be a .pac file intended for use with SPD flashing tools. You may also encounter .spd format flash files in some support areas.
The key takeaways are to always use the correct PAC file for your specific model, install the proper drivers, use the correct boot key combination, and understand the common troubleshooting steps. By following this guide, you can effectively unbrick, update, or restore your Nokia TA-1174, keeping it running smoothly for years to come. Step 1: Extract Files and Setup Drivers Inside
Some users flash older PAC files to downgrade the security patch level to enable older exploits or roll back a buggy update.
Here’s what you need to know:
Fixes the "Hang on Logo" issue where the phone won't fully turn on. Forgotten Passcode: Removes the phone's security lock.
Install Spreadtrum USB Drivers on your computer so it can detect the device.
Flashing the official .pac stock ROM overwrites the core partition of the micro-system. It is commonly used to resolve the following software bugs: Nokia 105 2019 TA-1174 technical specifications