Android must be at least version 6 (Marshmallow) or higher.
You can download the app from here:
https://play.google.com/store/apps/details?id=com.dbnetsoft.RemoteRedirectarrow-up-right
The chip on the USB-RS232-adapter should be any of the following:
FTDI FT232R, FT232H, FT2232H, FT4232H, FT230X, FT231X, FT234XD
Prolific PL2303
https://www.amazon.de/gp/product/B0BYRW5J4K/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1arrow-up-right
https://www.amazon.de/gp/product/B07Y33RHB2/ref=ppx_yo_dt_b_asin_title_o02_s01?ie=UTF8&psc=1arrow-up-right
Last updated 4 months ago
