What to do when your Icom IP501H/ IP503H LTE radio won’t connect?
If your Icom IP501H or IP503H doesn’t connect, there are several simple steps you can take immediately. 1) Swap the radio aerial from a known working radio and see if that improves things. It's possible that the radio has been dropped and the aerial is damaged. 2) If this does not work, use the guide provided on this page to fix the radio to a single network provider. 23410 O223415 Vodafone
23420 “Three” If this does not work, please get in touch with your dealer or contact our LTE Support team at LTESupport@icomuk.co.uk for further assistance. 23/06/2025