Danette Colbert was charged with fraud after Adan Manzano’s death, and police say they have since heard from others who allege they or a loved one were also victims, including one man who died.

Vivo Electronics Corp. is a phone brand based in Dongguan, Guangdong, China. It was founded in 2009. The company is another Chinese smartphone maker to enter India recently. It makes low-cost Android ...