2010–2017: Rebrand as M1, introduction of LTE and NB-IoT
In April 2010, MobileOne officially changed its name to M1.[32] In September of that year, M1 became the first Singaporean company to announce a 1 Gbit/s fiber optic internet plan. It also began offering four other internet plans to businesses and consumers.[33] In June 2011, M1 launched the first commercial LTE service in Southeast Asia, with coverage initially centered on the financial district.[34]
In April 2013, M1 announced that it would spend up to $85 million to modernize its mobile networks, as well as to deploy a nationwide 3G radio network on the 900 MHz frequency band. The project was completed by the first quarter of 2014.[35]
In 2015, M1 was named the service provider of the Home Access program by the Infocomm Development Authority Of Singapore, which would see the company offer subsidised rates for broadband internet access to low-income households.[36] In April that year, it began offering Voice over LTE (VoLTE) on its 3G and 4G networks.[37] The following month, M1 acquired a 15% stake in the Oman telecom company, TeO, through its subsidiary, M1 TeliNet.[38] In June 2015, M1 launched a cashless, mobile point of sale service in collaboration with Mastercard, CIMB, and Wirecard. The service allows small businesses to accept credit, debit, and prepaid card payments using their smartphones or tablets.[39] M1 entered into an agreement in July 2015 to host the postpaid mobile virtual network operator (MVNO), Liberty Wireless, on its network under the brand name Circles Asia.[40] In April 2017, M1's 2G network (along with all other 2G networks in Singapore) was shut down.[41]
In early 2016, M1 achieved 4G peak download speeds of more than 1 Gbit/s and peak upload speeds in excess of 130 Mbit/s through a collaboration with Huawei.[42] In March of that year, M1 introduced an NFC-enabled service that would allow users to pay transit fares with their smartphones.[43] It also began providing Wi-Fi for M1 customers on public transit vehicles.[44] In April 2017, M1's 2G network (along with all other 2G networks in Singapore) was shut down.[45] That month, M1 also introduced a digital mobile remittance service.[46] In August 2017, M1 launched Southeast Asia's first commercial nationwide narrowband Internet of Things (NB-IoT) network.[47] Throughout 2017 and 2018, M1 worked with both Huawei and Nokia on a series of