If you already have a .mobi file, the most reliable way to get it onto a Kindle device today is via a direct USB connection.
: Use the "Share" sheet on your iPhone/iPad and select the Kindle app. Download Leave AlxWBrt mobi
Ensure you are downloading from a reputable source like Project Gutenberg or Standard Ebooks . Avoid sites with "AlxWBrt" or similar random strings in the URL, as these are often associated with malware or "click-wrap" advertising. Step 2: Transfer to Kindle via USB If you already have a
: As of late 2022, Amazon no longer supports sending new .mobi files via their Send to Kindle service. Avoid sites with "AlxWBrt" or similar random strings
: Drag and drop your .mobi file directly into that folder. Eject : Safely eject the Kindle before unplugging it. Step 3: Use the Kindle App (Mobile/PC)
Since .mobi is outdated, you can use the free Calibre software to convert your files to EPUB. This allows you to use the modern Send to Kindle for Web tool, which handles the syncing and covers much better than manual USB transfers.