@MarkS Hi there and welcome to 3Community. It's not ideal when your speeds are varying a lot. Tell me, does this happen in all areas or just one? Have you noticed this just recently or has it been ongoing for a while? The more info I have the better 👍 Also, if you haven't already, be sure to check out the tips and tricks over on All about: Phone Coverage
@MarkS Thanks for getting back to me. Let me know your general area and I'll check for alarms on the masts in your vicinity. Also, how old is your SIM card? It may need updating and that can be done free of charge by popping over here 👉 click here
I am having the exact same issue, using a three router, my laptop, a cat 5 cable directly into the router and a perfect clear view of your cell tower out of my window. From 40mbps to 0.1mb on both my router and phone.
@MarkS I've taken a look and there is an alarm on a mast near you that may be affecting your speeds, I'm linking in with our tech team about this and will let you know as soon as I have news. In the meantime, have you tried changing to '3G only' in your settings? Does that make any difference? Regarding your SIM, there's no harm in updating it if you can't remember how old it is, use the link above to order a new one 👍
@MeathB Hi there, tell me, are you in the same area as @MarkS based on the Eircode above? Let me know and we'll go from there 👌