Xiaomi Redmi Note 4 has been launched in China. The smartphone is quite similar to its predecessor Redmi Note 3 in terms of design and specifications, but has a Type-C USB port. The Redmi Note 4 is listed in two storage options on company's China website - 2GB+16GB and 3GB+64GB. The price starts at for 899 yuan (Rs 9,000 approx) for the 2GB variant and 1199 yuan (Rs 12,081 approx) for the 3GB versiom. Xiaomi Redmi Note 4 features a full metal unibody design and a big 4,100 mAh battery. Also, Xiaomi has announced the company has sold close to 110 million units of Redmi smartphones in 3 year of sales. Xiaomi Redmi Note 4 comes with a 5.5-inch full HD display (1920x1080 pixels) with 2.5D arc glass design. The smartphone is powered by a 2.1 GHz 10-core Helio X20 processor claimed to improve performance by 62 per cent and reduce power consumption by 30 per cent. The storage is expandable up to 128GB via micro SD card. Redmi Note 4 runs on company's latest MIUI 8 OS. There's a 13MP primary camera, and 5MP front camera. Just like Redmi Note 3, the Note 4 also features a fingerprint scanner at the back. The fingerprint scanner can also be used to pay for purchases and view private files. The Redmi Note 4 is listed in three colour variants. Xiaomi Redmi Note 4 comes with a 4,100 mAh battery. The battery is claimed to last up to 1 day for heavy mobile phone users. Xiaomi Redmi Note 3 comes with a slightly smaller 4,050 mAh battery battery. In our review, we observed battery is a really strong suit with the Redmi Note 3. Even with constant notifications on WhatsApp, Facebook alerts, browsing, gaming, the phone easily lasted one-and-a-half days. The smartphone support 4G VoLTE. Also read: Xiaomi Redmi Note 3 review & video: A stellar comeback indeed Xiaomi recently launched the Redmi 3S and Redmi 3S Prime in India, but these phones are completely made in India. The Chinese start-up claims the Redmi Note 3 is the highest selling online phone in India and added that it sold over 1.75 million of the device since it was first introduced in the country. Xiaomi has been expanding the Redmi series in China and also introduced a Redmi Pro smartphone there with a dual-rear camera. It is not clear if the new Redmi phones will be coming to India, but given the popularity of the budget devices, Xiaomi could plan so in the future.