Follow these instructions precisely to flash the PAC firmware file onto your device. Step 1: Install the USB Drivers
Press and hold the button for roughly 10 seconds to force the phone to reboot.
You must download the following files onto a Windows PC before proceeding:
Before connecting your phone, install the proper drivers so Windows can recognize it in flash mode. nokia ta1165 firmware pac file install
Only use PAC files from your ISP’s official channel. Unauthorized firmware can permanently lock your TA1165’s bootloader.
Before starting the flashing process, complete these preparation steps to prevent data loss or device damage.
Browse to the folder where you extracted the firmware and select the file. Wait a few moments for the tool to load the data. 4. Start the Flashing Process Click the Start Downloading button (the "Play" icon). Completely power off your Nokia TA-1165. Follow these instructions precisely to flash the PAC
Open the extracted SPD Upgrade Tool folder and double-click on UpgradeDownload.exe . Step 2: Load the PAC Firmware
Before beginning the installation process, you must gather the necessary tools and prepare your device to prevent permanent damage or bricking. 1. Backup Your Data
Flashing will erase all data on the device. Ensure you have backed up your important files. Only use PAC files from your ISP’s official channel
Download QFIL (Qualcomm Flash Image Loader) , which is bundled inside the QPST Tool suite, or the Nokia Online Service Tool (OST) .
Release the key immediately when the SPD Flash Tool detects the device. You will know it connected because the progress bar will turn blue or green and display messages like "Downloading", "Inprogress", or "Formatting".
The SPD Upgrade Tool (also known as ResearchDownload) is the standard utility for PAC files. Some variants might require the OST Tool . Step-by-Step Installation Guide 1. Install the USB Drivers