Making phone calls, sending messages, surfing the internet - for most people, everyday life without a smartphone is almost unthinkable. This makes it all the more important to be able to rely on the devices. Which model is the test winner? Which has the best mobile camera or the most powerful battery?...

The Xiaomi Redmi Note 10S cuts a really good figure in the test, and at a low price. Above all, the enormously long-lasting battery is convincing. The performance is also good and can cope with most tasks. Although there is no 5G on board, the phone is otherwise nicely equipped with, for example, splash water protection and dual-Sim plus microSD card slot...

Update September: 29 new mobile phones in comparison New in Stiftung Warentest's mobile phone test: 29 current smartphones. Among them is the super-light Carbon Mobile Carbon 1 Mark II. The "mobile phone of the future" (as advertised) has a housing made of carbon fibre and weighs only 125 grams...