TomTom GO 620 "First patching failed"

this is nav5,
have you followed the steps in the tutorial??
It says that you have to unmount the device, with the device turned off, make the bridge, in device manager you have to see the COM port, run _restore_fdt_userdata.bat then put the COM port number, remember that in the same folder you have to have the files you made from the copy, fdt and userdata.
says that it has a white screen has been OFF, when it does the bridge is still off.

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regards

simba Reviewed by simba on 28th September 2022. TomTom GO 620 "First patching failed" Hello. GO620 patch problem. The procedure is successful and at the end the message is as shown in the picture. Zdjęcie: 20220730-235350 — ImgBB (https://ibb.co/hCbfwBv) Rating: 5

hi simba .can you help me I lost my tomtom 6000 trucker due to the wrong backup files of tomtom go 6000 (not truck) now after the flash complet my device doesn't turn on anymore is any J-TAG method to revive my devices ..