You will need a fine-point pair of tweezers, a precision screwdriver set for disassembly, and a compatible service tool like the Phoenix Service Tool , UnlockTool , or UMT Unisoc Tool . Step-by-Step Guide: Nokia TA-1452 Test Point Power Down & Disassemble: Turn off the device completely.
To enter EDL mode on the Nokia TA-1452, you must short the while connecting the USB cable to a computer. Nokia Ta-1452 Test Point UPD
The exact location of the test point is not documented in Nokia’s public service manuals, but reverse engineering has revealed the standard Unisoc layout for this model. You will need a fine-point pair of tweezers,
. It should show a new port, typically listed as "Unisoc USB Serial" or "SPRD U2S". Flash/Unlock: The exact location of the test point is
Since the TA-1452 can have its BROM (Boot ROM) mode disabled by security e-fuses, specialized tools are often required to communicate with the device once it is in EDL mode:
: If successful, your computer's Device Manager will recognize the phone as "Qualcomm HS-USB QDLoader 9008" or a similar Unisoc port, depending on the specific chipset revision. Common Uses for TA-1452 Test Points