I experienced a failure of the power button exactly after 2 years (as I understand the warranty), after researching the solutions on the internet, I realized that the reviews on the problem are quite popular and for a long time they have been selling "better and more reliable" buttons for replacement on ali, I had to have a lot of fun to replace, and purchase a thin s2t8 screwdriver for complete disassembly of the device, since the most unreliable (in the natural course of If a company is trying to portray themselves as a premium brand, it is not very worthy for the manufacturer to actively sponsor its service centers.