Devices trouble The device I want to use isn’t available… Can each model’s settings be changed from the smartphone settings screen? Why are there some unsupported carriers? The device is not connecting to WiFi, what should I do? The device is not responding to keyboard inputs correctly. On the rented device, a SIM error or device-specific configuration-related message is displayed. The software closed in mid-operation. What should I do? I can’t launch the device. What should I do? I cannot use a certain device because someone else is renting it. When can I use that device? Why does the screen seem to flicker? Flickering menu on iPhone home screen I can't enter password at iOS 13 devices. How can I solve it? Function trouble Is it possible to use the camera? Is it possible to use the device’s motion sensors? Can the device be turned on and off? The device’s buttons aren’t responding… When running the device from Eclipse, I get a timeout error. Connection trouble It won’t connect to the server. When does the service is unavailable? Why is the device connection speed sometimes slow?