# English

## English

- [What is Proxmark3 X?](https://proxmark3x.mtoolstec.com/what-is-proxmark3-x.md)
- [Use Proxmark3 X on Android](https://proxmark3x.mtoolstec.com/guides/use-proxmark3-x-on-android.md): Learn how to use Proxmark3 X with Android phone with USB and Bluetooth Connection.
- [Use Proxmark3 X on Windows](https://proxmark3x.mtoolstec.com/guides/use-proxmark3-x-on-windows.md): Learn how to use Proxmark3 X on Windows.
- [Use Proxmark3 X on MacOS / Linux](https://proxmark3x.mtoolstec.com/guides/use-proxmark3-x-on-macos-linux.md): Learn how to use Proxmark3 X on MacOS /  Linux.
- [How to Flash Firmware](https://proxmark3x.mtoolstec.com/guides/how-to-flash-firmware.md)
- [Low Frequency](https://proxmark3x.mtoolstec.com/commands/low-frequency.md): Learn how to use commands of low frequency on Proxmark3 X.
- [Troubleshooting Writing to T55xx Cards with Proxmark3](https://proxmark3x.mtoolstec.com/commands/low-frequency/troubleshooting-writing-to-t55xx-cards-with-proxmark3.md)
- [High Frequency](https://proxmark3x.mtoolstec.com/commands/high-frequency.md): Learn how to use commands of high frequency on Proxmark3 X.
- [Marketing](https://proxmark3x.mtoolstec.com/marketing.md)