Smart upgrades Signature Plan 599 with double data and a shorter lock-in period

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Smart has boosted its Signature Plan 599 by adding more data and shortening the lock-in period.

The value-for-money SIM-only Signature Plan 599 now comes with 10GB data every month, which is double its previous 5GB monthly data allocation, for only PHP 599 per month.

The plan also comes with Unlimited Calls & Texts to all networks, including calls to landline numbers. The lock-in period has also been shortened from 12 months to 6 months only.

Smart’s Signature Plan 599 is best suited for subscribers who top up on a regular basis and end up spending hundreds per month to cover all their data, call, and text needs.

With 10GB open access data, subscribers can accomplish more – whether it’s for uploading and downloading large files or going online for virtual presentations at work or school, with data left for accomplishing daily digital tasks and services like cab-hailing, online shopping, and food delivery, among others.

Subscribers can also use their monthly data for their mobile entertainment needs – from binge-watching movies and TV series, playing mobile games, streaming music, and staying updated on different social media apps. 

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Customers can sign up for the Signature Plan 599 in Smart Stores nationwide or via the Smart Online Store at

Extensive network nationwide

Signature Plan 599 is powered by Smart, whose parent company PLDT operates the country’s most extensive fiber network, which spanned more than 1.09 million kilometers in international and domestic fiber as of end-September 2022. 

This fiber infrastructure also supports Smart’s 77,200 base stations, including 7,300 5G base stations and close to 40,000 4G/LTE base stations deployed nationwide. Smart’s network covers 97% of the population with 3G, LTE, and 5G.

These connectivity efforts are also part of the PLDT Group’s contribution to helping the Philippines meet the United Nations Sustainable Development Goal # 9: Industry, Innovation, and Infrastructure. is one of the most active tech sites in the Philippines. We enjoy sharing interesting and relevant stories about the latest trends in technology, developments in mobile phones and social media, and modern digital and geek culture.

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