Nokia Ta-1452 Test Point Upd

After a successful flash, the phone may not boot into the OS immediately. It might hang on the logo, or go into a boot loop, as the system partitions are now likely empty. You will need to perform a full factory reset from the device's recovery menu. The key is that the bootloader (preloader) has been restored.

Once the computer detects the device (usually as "Spreadtrum U2S Diag"), remove the tweezers. Proceed with flashing or unlocking using your tool. Troubleshooting & Safety Nokia Ta-1452 Test Point UPD

UPD in this context likely refers to a software update or a process related to updating or modifying the device's firmware. After a successful flash, the phone may not