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Network Guarantee
Because We Back Ourselves
We reckon our network’s better than yours. So much so, that if you’re new and find the coverage isn’t cutting it in your first 30 days, you’re free to bail and we’ll refund your plan fee.
Please note: our Network Guarantee applies to 30 day plans only and does not apply to 365 day plans.
GSIM's Got A Bloody Good Network That Just Works
Network Information
GSIM runs on the powerhouse TPG/Vodafone 5G and 4G network and in 2025, our coverage has doubled. With fast speeds and loads of data, don’t be surprised if your mates start sniffing around your GSIM hotspot.

More Coverage For More Aussies
We’ve stretched our network from around 400,000 to a million square kilometres, meaning stronger coverage and fewer dead spots where people actually live, work, and play.
Now covering 98.4% of the Aussie population
Network footprint has more than doubled
More mobile sites firing up around the country
Want 5G speeds? Just pick one of GSIM’s larger data plans with 5G included. Otherwise, you’ll slide onto 4G wherever 5G hasn’t landed yet — easy as. So whether you’re streaming, scrolling, or googling if that rash is normal, GSIM’s got you sorted.
Ready To Ride 5G?
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