2003–2015[]
2015–2020[]
During that period Sun Cellular became Smart's mobile virtual network operator instead of running on their separate legacy Digitel-era mobile network.
2020 (Sun Prepaid), 2020–2022 (Sun Postpaid)[]
Sun adopted a new logo in February 2020 to reflect as a full-blown brand of Smart ("Powered by SMART".)
On October 21, 2020, Sun's prepaid service was merged and rebranded to Smart Prepaid.
On April 25, 2022, Sun Postpaid was merged and rebranded to Smart Signature. Thus, the Sun Cellular brand was officially retired after two decades.
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| A subsidiary of PLDT
Smart (Infinity | Prepaid | Signature) | Smart Bro (Home Wi-Fi) | Maya (Center) | TNT Others Defunct  |
| Fixed-line telecommunications: Mobile telecommunications: Internet services: Television service: MediaQuest Holdings: Utilities: Sports teams: Others: Defunct: 1Former joint ventures news website of TV5 Network Inc. and News5.  |