PT Indosat Tbk, trading as Indosat Ooredoo Hutchison (abbreviated as IOH), is a telecommunications provider in Indonesia which is owned by Ooredoo Hutchison Asia, a joint venture between Ooredoo and Hutchison Asia Telecom Group (a part of CK Hutchison Holdings) since 2022. The company offers wireless services for mobile phones, and to a lesser extent, broadband internet lines for homes. Indosat operates their wireless services under two brands: IM3 and Three (3). These brands differ by their payment model (pre-paid vs. post-paid) as well as pricing. Indosat also provides other services such as IDD, fixed telecommunications, and multimedia. In February 2013, Qtel, a majority stakeholder in Indosat, rebranded itself as Ooredoo. This was followed by a renaming of all their subsidiaries across multiple countries. As such, Indosat was renamed Indosat Ooredoo on November 19, 2015. , Indosat had 58 million subscribers. This is a sharp decrease from 2017, where the number was reported as 110 million. The market share was 16.5%, making them the second largest mobile network operator in the country. History 1967 Indosat was established as the first foreign investment company in Indonesia that provides international telecommunication services using an international satellite. It was owned by American conglomerate company ITT until 1980. 1980 Indosat expanded into becoming the first international company that was acquired and 100% owned by the Indonesian Government. 1994–2003 Indosat acquired Satelindo and SLI through share majority. They also established PT Indosat Multimedia Mobile (IM3) to provide and operate a nationwide GPRS network, a first for the country. In 2003, Indosat merged with its 3 subsidiaries—Satelindo, IM3, and Bimagraha—and established itself as a mobile network operator. 2003–2009 Indosat was granted a 3G network license and introduced a 3.5G service in Jakarta and Surabaya. In 2009, Qtel bought 24.19% of series B shares from the public and became Indosat's majority shareholder with a 65% ownership. They were granted the use of additional 3G frequencies later that same year. Indosat also won the WiMAX bid from the government during this period. 2012–2020 In 2014, Indosat launched and commercialized a 4G service at 900 MHz, with a download speed of up to 42 Mbit/s. The service was first rolled out in the major cities, with planned expansions to rural areas. In November 2015, Indosat rebranded itself as Indosat Ooredoo. In 2016, Indosat teamed up with Swedish based music streaming service Spotify to become the first operator to offer