A locked-in handset plan bundles the phone into your monthly bill over 24 to 36 months. A SIM-only plan skips the device entirely and just charges for calls, texts and data – which is why it’s almost always the cheaper option once you do the maths properly.
That sounds simple enough, but the actual difference between the two shows up in places most people never check: total cost over the contract term, what happens if you want to leave early, and whether you’re even allowed to bring your own phone. If you’re weighing up Pear Australia’s mobile SIM plans against a carrier’s handset deal, here’s what each option genuinely gets you.
What You’re Actually Signing Up For With a Locked-In Handset Plan
A locked-in handset plan is really two products stapled together: a phone repayment agreement and a mobile service plan. Providers rarely separate these clearly on the sign-up page, which is part of the problem.
Over a 24-month term, you’re repaying the retail price of the handset in instalments, plus whatever markup the carrier has built in. Miss that, and the “cheap” $59-a-month plan can end up costing considerably more than buying the phone outright and pairing it with a basic SIM.
The lock-in also cuts both ways. If your phone breaks, gets lost, or you simply want to switch providers, you’re often still on the hook for the remaining device repayments even after you cancel the service component.
What You’re Actually Getting With a SIM-Only Plan
SIM-only mobile plans in Australia strip the handset repayment out entirely. You bring your own phone – new, secondhand, or the one already in your pocket – and pay only for network access.
That structure means:
- No device debt sitting inside your monthly bill
- Freedom to upgrade your phone whenever it suits you, not on the carrier’s schedule
- Plans that can run month-to-month instead of locking you in for two or three years
- A clearer bill, since there’s nothing to untangle between “phone cost” and “plan cost”
This is the core appeal of no lock-in SIM plans: you can leave next month if the service doesn’t suit you, without a termination fee tied to a phone you’ve already paid for.
The Real Cost Difference, Side by Side
| Locked-In Handset Plan | SIM-Only Plan | |
| Contract length | Typically 24-36 months | Often 30 days, some 12-month options |
| What’s included | Device repayments + plan | Calls, texts, data only |
| Exit cost | Remaining device balance | Little to none |
| Upgrade flexibility | Fixed until contract ends | Any time |
| Ownership | You own the phone once fully repaid | You already own or supply the phone |
The numbers matter more for anyone managing several lines. A single line might not show the gap, but multiply a $30-a-month device repayment across a team of ten, and you’re looking at thousands of dollars a year sitting inside plans that never needed to include a handset at all.
Business SIM Only Plans: Why More Companies Are Making the Switch
For businesses, the math gets sharper. Most workplaces already run a bring-your-own-device policy, or replace staff phones on their own schedule rather than a carrier’s contract cycle.
Business SIM-only plans let a company set its mobile spend without financing devices it doesn’t need to finance. Finance teams get predictable monthly costs. IT gets the flexibility to add or drop lines as the team grows or contracts, without waiting out a locked-in term on every device.
It’s similar logic to why more businesses are moving their phone systems off aging hardware and onto something like Pear Australia’s Cloud Hosted PBX – separating the service from the hardware means you’re not stuck paying for equipment long after it’s stopped being useful. Mobile plans work the same way once you take the handset out of the equation.
Business mobile phone plans built around SIM-only structures also make it far easier to scale. Adding a new starter is a quick SIM activation rather than a fresh 24-month device commitment, and offboarding someone doesn’t leave you paying out a contract on a phone that’s now sitting in a drawer.
Who Actually Benefits Most
People who already own a decent phone. If your current handset still works, a locked-in plan is paying to finance a device you don’t need. SIM-only plans let that phone keep doing its job for free.
Small and medium businesses managing multiple lines. The savings compound fast once you’re not financing five, ten, or fifty handsets inside the mobile bill.
Anyone unsure how long they’ll stay with a provider. No lock-in SIM plans mean you can test a network’s coverage and support before committing long-term.
Frequent phone upgraders. If you replace your phone every 12-18 months anyway, a 24-month device contract rarely lines up with your actual habits.
Locked-in handset plans still make sense for one group: people who genuinely need a new phone right now and would rather spread the cost than pay upfront. There’s nothing wrong with that choice – it just needs to be made with eyes open about the total cost, not just the monthly figure.
Switching From a Locked-In Plan to SIM-Only: What Actually Happens
Moving off a locked-in handset plan isn’t usually as complicated as people expect. If the device is fully paid off, cancelling and porting your number across to a SIM-only plan can often be done in a single call or online sign-up, with the new SIM active the same day.
If you’re still repaying the device, the provider will typically let you keep making those repayments as a standalone device plan while switching the service side to SIM-only, or you can pay out the remaining balance to close it off completely. Either way, your number stays with you – number porting in Australia is a standard, regulated process, not something you need to negotiate.
The main thing to check before switching is whether your current phone is unlocked. Most handsets bought outright in Australia are unlocked by default, but phones still under a device repayment plan can sometimes carry a network lock until the balance is cleared. A quick call to your current provider will confirm it either way, and once it’s sorted, SIM-only plans typically activate within minutes.
Questions to Ask Before Choosing Either Option
- What’s the total cost over the full contract term, not just the monthly price?
- Is the handset cost itemised separately from the plan cost?
- What happens to the device repayment if you cancel early?
- Can you bring your own phone, and does that change the price?
- Is there a cheaper SIM-only mobile plan Australia-wide covering the same network coverage?
Every telco selling SIM-only plans or handset plans in Australia has to publish a Critical Information Summary covering exactly this – minimum charges, contract length, and early termination costs – under the ACMA’s consumer protection requirements. It’s worth reading before signing anything, and it makes comparing a handset plan against a SIM-only plan far more straightforward than relying on the advertised monthly price alone.
Does the Plan Type Change Which Network You’re On?
No. Handset plans Australia-wide are typically tied to the same networks as their SIM-only equivalents, so coverage isn’t a reason to choose one structure over the other.
What does change is who controls the hardware decision. On a locked-in plan, the carrier picks the financing terms, and you inherit them. With SIM-only plans, you decide when to upgrade and how much to spend on a device, completely separate from the mobile service itself.
Getting the Right Fit for Your Business
If your business is still running staff on individual handset contracts, it’s worth auditing what that’s actually costing across the whole team – not line by line, but the total device debt sitting inside the bill each month. Most audits like this land on the same conclusion: SIM-only plans would have covered the same usage for less.
Switching to business mobile plans built on SIM-only plans doesn’t mean giving staff worse phones. It means separating the phone decision from the plan decision, so you’re only paying for network access you actually use.
Pear Australia can walk through your current mobile spend and show where a SIM-only structure would genuinely save money, without the guesswork. Contact Pear Australia today on 1300 007 327 or visit peartelco.com.au to get started – our team can put together a plan comparison specific to your team size and usage.