What is 4G failover?
4G/5G failover explained — automatic internet backup that keeps your business online.
What 4G failover means
4G failover (or 4G/5G failover) is an automatic backup internet connection over the mobile network. If your main broadband or leased line drops, failover kicks in within seconds and keeps your business online — calls, card payments and cloud apps keep working.
It’s the difference between a brief, invisible blip and hours of downtime.
Who needs it
Any business that can’t afford to be offline — shops taking card payments, offices running on cloud apps, anyone using VoIP phones. For critical sites, failover pays for itself the first time the main line fails.
We can also provide Starlink as a resilient backup where mobile coverage is poor.
Frequently asked questions
How does 4G failover work?
A backup device automatically switches to the mobile network if your main line drops, then switches back when it returns.
Is the switchover automatic?
Yes — it happens in seconds with no action needed.
Do I need it?
If downtime costs you money — payments, calls, cloud apps — yes.