What is an OTA update (over-the-air update)?

An over-the-air (OTA) update is the wireless delivery of new software, firmware or other data to mobile devices.

Which BLE modules do they have OTA function?

Here is the list of BLE modules with OTA function.

a) RF-star-based modules: RS02A1-A, RS02A1-B

• RS02A1-A: RSBRS02AA, RSBRS02AI
• RS02A1-B: RSBRS02ABR, RSBRS02ABRI

APP: RF-star OTA. Support batch upgrading. Contact us at info@szrfstar.com.

b) Silicon Labs-based modules: EFR32BG22 series:

• EFR32BG22C112: RF-BM-BG22A1
• EFR32BG22C224: RF-BM-BG22A3

APP: EFR Connect

c) Nordic Semiconductor-based modules: nRF52810, nRF52832, nRF52840, nRF52811, nRF52833 and nRF52805:

• nRF52832: RF-BM-ND04, RF-BM-ND04I, RF-BM-ND08
• nRF52810: RF-BM-ND04C, RF-BM-ND04CI, RF-BM-ND08C
• nRF52805: RF-BM-ND09, RF-BM-ND09A
• nRF52811: RF-BM-ND04A, RF-BM-ND08A
• nRF52833: RF-BM-ND07
• nRF52840: RF-BM-ND05, RF-BM-ND05I, RF-BM-ND06

APP: nRF Connect

d) TI-based modules: CC2642R, CC2652R

• CC2642R: RF-BM-2642B1
• CC2652R: RF-BM-2652B1

TIPS: Due to different SDKs, even the module is the same one, it cannot be upgraded. They can only upgrade iteratively on the original firmware.