Shorting these pads to the ground (any metal shield on the board) while connecting the USB cable forces the phone into a pre-loader state. This allows the computer to recognize it as an MTK USB Port . Tools Used for Servicing via Test Point
The sound from the PC was different this time. A low, double-pitched chime.
Incompatible Download Agent (DA) file or authentication block.
This procedure is for informational and educational purposes only. It requires disassembling your phone, which will void your warranty. There is a high risk of causing permanent, irreparable damage to your device if a mistake is made. Proceed entirely at your own risk. The author and this website are not responsible for any damage to your phone or data loss. nokia ta 1468 test point
Check Device Manager on your PC. It should appear as "Unisoc USB Serial" or similar under the Ports section. ⚠️ Critical Prerequisites
Carefully pry open the plastic back cover using a guitar pick or plastic opening tool.
He carefully removed the metal shield covering the CPU and flash memory. Underneath lay a miniature city of gold traces and black chips. Shorting these pads to the ground (any metal
Press the button within the software so that it sits actively listening for a device handshake.
Using excessive force or shorting the wrong pins can permanently kill the motherboard.
Opening your device and shorting motherboard pins carries inherent risks. This process will void your warranty and can permanently damage the hardware if executed incorrectly. Proceed with caution. Step 1: Disassemble the Device Power off the Nokia TA-1468 completely. Remove the SIM card tray. A low, double-pitched chime
Unless.
: Once the test points are shorted and the device is connected to a PC via USB, it should appear in the Device Manager as a specialized COM port (e.g., "MediaTek USB Port" or "Unisoc USB Serial"). Step-by-Step Procedure
Before we look at its test point, let's first understand what the Nokia TA-1468 actually is. The model number TA-1468 refers to the Nokia C2 2nd Edition, a budget-friendly entry-level smartphone announced on February 28, 2022, and released on April 19, 2022.
