Is OTA code flashing possible with SAMD21 Pro Rf?

Wireless & IoT LoRa (Long Range)
1

Since SAMD21 Pro Rf has LoRa, is it possible to upload sketches to the board OTA for hard to reach devices? Would it be possible with some extra hardware?

2

Do you mean Open Travel Alliance (OTA)?

3

Over-the-air. Like via LoRa