If you access your online English classes from a computer, we recommend the use of Google Chrome. If you do it from a mobile or tablet, if it is iPhone or iPad, do it using Safari, if you use an Android device, we recommend the use of Google Chrome for these devices. Refresh your class page if not you enter once you press the START CLASS button, or you are alone in class and you do not see the teacher or your classmates. If they do not hear you or do not see you, you can verify the operation of the microphone and the camera on the third-party website https://webcammictest.com. If you have used any application that previously required the use of the camera or microphone, it may be necessary to restart the device to be able to have these resources again for your English classes for children. If you do not know how to solve If you have a problem accessing and doing your English class online, you can always contact our technical service through the chat that you will find anywhere. Any of the Oxinity web pages, or our application, and any of our support people will help you solve any of your eventualities.