Which is better between Vivo S1, Samsung Galaxy M40 and Vivo Z1 Pro?
Vivo S1 smartphone has been launched in India. Vivo S1 has been launched in the price segment of less than Rs 20,000 in India, many useful features have been given in the smartphone such as in-display fingerprint sensor for security, 32 megapixel for selfie and video calling in Vivo S1. Front camera and triple rear…