If you transfer personal documents to your Kindle, two usual methods currently unavailable

If you transfer personal documents to your Amazon Kindle, you may be using one of two easy methods that can be put the item on your Kindle and in  your archived content at the same time. Unfortunately, neither the Send to Kindle app method and emailing it to the Kindle currently work. They stopped working at the end of October. The only method that works is a transfer by USB cable from your computer. The tech experts above the people who answer the phone know about the problem and are working on it.