EOFY deal: 50% off Southern Phone’s most popular mobile plan
Grab a huge mobile saving just in time for tax season for up to six months.
The EOFY sales is one of the best times to score a cheap mobile plan as telcos scramble to attract new customers for the new financial year.
This year, Southern Phone is leading the charge with one of the best offers of FY26.
For a limited time, you can score 50% off Southern Phone's Small SIM Only Plan for the first 6 months.
You'll pay just $12 a month for half a year, which works out to a total saving of $72.
The price then jumps to $24 a month, but there's no lock-in contract so you're free to cancel at anytime.
Here's what the plan includes:
- 20GB of data per month
- Unlimited standard national calls and texts
- $50 international call credit
Southern Phone runs on the Optus network with access to both 4G and 5G.
Provided you have a compatible phone and live in a supported area, this translates to speeds of up to 100Mbps.
More Southern Phone EOFY deals
The only caveat with the plan above is the absence of data banking.
If you need more data, Southern Phone has knocked $10 off its Medium SIM Only Plan for the first 6 months. It's down to $19, a saving of $60 over the duration of the deal.
You can also snag $50 bill credit on the Large SIM Only Plan when you stay connected until 1 September 2025.
To get the deals, refer to the table below. These offers are set to end on 30 June 2025.
| Plan | Offer | |
|---|---|---|
| Small SIM Only Plan | $12 a month for the first 6 months, then $24 a month ongoing | |
| Medium SIM Only Plan | $19 a month for the first 6 months, then $29 a month ongoing | |
| Large SIM Only Plan | $50 bill credit when you stay on the plan until 1 September 2025 |
Check out our roundup of the best EOFY mobile plan deals.
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