(Photo source: BYD)

DiLink 4.0 supports dual-frequency positioning and navigation technology, with two times better positioning accuracy than previous versions, the company said.

Under DiLink 4.0, intelligent voice response speed rises 50 percent and child voice recognition and voice feedback are optimized.

BYD said the DiLink 4.0 upgrade package is worth RMB 18,000 yuan ($2,782), and Han EV users can enjoy a limited-time price of RMB 8,000 when they purchase the upgrade package before December 31 this year.

(Photo source: BYD)

The upgrade includes a 12 Jan audio system from Danish audio manufacturer Dynaudio HiFi, in addition to 5G support.

BYD launched the Han model on July 12, 2020, which includes the Han EV, a pure electric version with an NEDC range of 605 km, and the Han DM, a hybrid model with a range of only 81 km on pure electric power.

The Han models are priced in the range of RMB 219,800 to RMB 279,500, with the Han EV, the top-selling model, averaging more than RMB 260,000, accounting for 60 percent of overall Han sales.

Han EV's July sales were 5,907 units, up 1 percent from June. And Han DM's July sales were 2,615 units, up 1 percent from June, according to BYD.