you will still face the battery life issue though, and with an old phone even more so.tykeboy2003 wrote: ↑7 Oct 2021, 4:31pm Buy an old android phone and load an app using WiFi and like others have said, don't put a SIM card in it. Probably the cheapest option by some considerable margin. Also buy a gel case like in the picture and punch a few holes into it and strap it to your bike with cable ties.20211007_162358.jpg
Not a problem for a standalone (subject of thread) which takes AAs like the etrexes.