How to edit Service service tag of Dell Latitude.
Update 2.0
Available solution replace Service Tag support is 90% model new.

You need to be a hardware t you don't have an EEPROM (BIOS) programmer, don't buy this service. ( no refund )


List test.
Change Service Tag Latitude E5450, E5450
Update 1 Model:
Change Service Tag Latitude E5480 LA-E141P
Change Service Tag Latitude 7490 LA-F321P
Change Service Tag Dell Latitude 3470 14291-1
Change Service Tag Dell Latitude E5470 LA-C631P_2
Change Service Tag Dell Latitude E5470 LA-C631P
Change Service Tag Dell Latitude E5470 LA-C841P
Change Service Tag Dell Latitude E5570 LA-C641P
Change Service Tag Dell Latitude E5570 LA-C642P
Change Service Tag Dell Latitude E7470 LA-C641P
Change Service Tag Dell Precision 5510
Change Service Tag Dell Precision 7710 LA-C551P
Change Service Tag Dell Precision Tower 3620
Change Service Tag Dell XPS 8900
Change Service Tag Dell XPS 9350 LA-C881P
Change Service Tag Dell XPS15 9550 LA-C361P
Update 2 Model:
Change Service Tag Dell Latitude E7270
Change Service Tag Dell Latitude E7270 LA-C451P
Change Service Tag Dell Latitude E5470 LA-C832P
Change Service Tag Dell Latitude E5470 LA-C831P
Change Service Tag Dell Latitude E5270 LA-C621P
Change Service Tag Dell Latitude 3580 3480 16852 service Tag