How to complain about Xiaomi after-sales 123 15?

Just dial 12 135 to explain your personal situation in detail and wait for processing.

Xiaomi Company pioneered the development of mobile phone operating system in Internet mode, and enthusiasts participated in the development and improvement mode. Xiaomi is also the fourth technology company with self-research capability of mobile phone chips after Apple, Samsung and Huawei. 20/KLOC-0 was listed on the main board of the Hong Kong Stock Exchange on July 9, 2008, becoming the first listed company to adopt different voting rights structure after the listing system reform of the Hong Kong Stock Exchange.

In 20 19, Xiaomi shipped 65,438+25 million mobile phones, ranking fourth in the world, and domestic TV sets sold 102 1000, ranking first. Shortlisted in the list of the top 100 global innovations in 2020, AI and other patents rank among the top in the world. The battery capacity of Xiaomi 9 Pro is 4000mAh.

In terms of charging technology, Xiaomi upgraded again. 40W wired +30W wireless+10W wireless charging constitutes the triple fast charging in the 5G era, and it is the first batch of mobile phones that have passed the certification of T V Rheinland Safe Fast Charging 3.0. The world's fastest 30W wireless charging can fully charge 4000mAh Xiaomi 9 Pro in 69 minutes, and the charging speed is comparable to mainstream wired charging.

Xiaomi 9 Pro charges with in-band and out-of-band communication through dual-frequency transmission technology, so that "data transmission" and "charging" take "independent lanes" respectively, which are independent of each other and do not interfere with each other, improving charging speed and increasing safety.