Musk Pledges HW3-to-HW4 Upgrades for FSD
Elon Musk pledged to upgrade 2019-2023 Tesla Hardware 3 vehicles to Hardware 4 for unsupervised Full Self-Driving, citing HW3's insufficient memory bandwidth. Tesla plans microfactories for efficient upgrades and FSD v14 release for HW3 by end of June. Fremont factory will start Optimus robot production in late July.





