Nokia Ta-1452 Test Point Upd -
Once in BROM mode, the computer can communicate directly with the processor’s internal boot ROM. The technician can then write a fresh, full firmware image (the “UPD” or update) to the phone’s flash memory, effectively resurrecting the device.
: Use a pair of metal tweezers to short (connect) these two dots together while simultaneously plugging in a USB cable connected to your PC. Nokia Ta-1452 Test Point UPD