Following in the footsteps of Optus, Telstra will also offer AU$450 credit to customers breaking contract, as well as making its "new phone feeling" deal free for a limited time.
Optus is focusing on regional Australia with its latest network expansion, promising faster mobile data speeds in 200 new locations in the next 6 months.
Optus now has Carrier Aggregation available via its 2300MHz spectrum in Sydney, Melbourne, Canberra and Adelaide
Optus is offering more data and up to $450 credit to entice new customers to upgrade their smartphone on the Optus network, while existing customers are also being offered credit for a trade-in.
The mobile provider unveils new daily prepaid plans starting from a dollar a day, with six months credit expiry.
Both telcos have begun offering commercial access to 700MHz 4G networks in a small number of capital cities and regional areas around Australia.
Both Vodafone and Optus are facing the ire of their customers after network issues prevented users from making calls, sending texts or use data on mobile devices.
Melbourne commuters will be able to say goodbye to mobile black spots on trains with Optus set to bring mobile coverage underground on parts of the network by the end of the year.
As Optus' market share lags behind Telstra, the company has announced plans to expand 4G coverage to 90 percent of Australians within the year.
Optus has announced an overhaul of its mobile plans to make it easier for customers to share data across multiple devices while keeping a single plan with a single bill.