Telkomsel is the largest wireless carrier in the country with 163 million customer base as of 2018. The company Operates their GSM network on the 900–1800 MHz frequency range, as well as 3G and 4G services on other frequencies. Telkomsel operates a variety of sim card brands, chief among them are simPATI and kartuHALO. These brands differ on their payment model (pre-paid vs. post-paid) as well as pricing. As of 31 March 2015, Telkomsel has 46% of the Indonesian wireless service market share.
Telkomsel was incorporated on 26 May 1995 in Jakarta, Indonesia. It is majority owned by Telkom Indonesia with 65% of the shares, with Singapore Telecommunications Limited owning the minority 35%. In November 1997, Telkomsel became the first wireless carrier in Asia to introduce rechargeable GSM pre-paid services. In September 2006, Telkomsel became the first carrier in the country to launch a 3G service.
On 20 March 2009, Telkomsel and Apple South Asia Pte. Ltd. launched the iPhone 3G in Indonesia with customised price plans for all of Telkomsel's customers. Three years later, Telkomsel had acquired more than 100 million active customers.
In April 2017, the company website was hacked, and a message protesting about high charges and unnecessary extra services was posted. There was widespread support for the hacker on social media.
The company has 323 international roaming partners in 170 countries (September 2008). In addition, Telkomsel has worked with network carriers in neighboring countries to offer the co-branded simPATI Kangen product for Indonesians living abroad.
- ^ "Continuing to Win in the Digital Era" (PDF). Telkomsel.com. Retrieved 26 April 2017.
- ^ "Shareholding Pattern | Bharti Airtel". Airtel.in. Archived from the original on 24 May 2012. Retrieved 28 June 2012.
- ^ "Shareholding Pattern as of Dec 2011| Bharti Airtel" (PDF). Airtel.in. Archived from the original (PDF) on 26 August 2012. Retrieved 28 June 2012.
- ^ "Telkomsel 2018 Annual Report" (PDF).
- ^ "Annual Report 2014" (PDF). Info.singtel.com. Retrieved 26 April 2017.
- ^ "Telkomsel on BusinessWeek". Investing.businessweek.com. Retrieved 23 July 2010.
- ^ "Archived copy". Archived from the original on 17 December 2011. Retrieved 7 December 2011.
- ^ "Telekomunikasi Indonesia – Telkom – Indonesia Investments". Indonesia-investments.com. Retrieved 26 April 2017.
- ^ Dion Bisara; Herman (18 April 2017). "Telkomsel Hacked, Customers Vent Frustration Over Internet Price". The Jakarta Globe. Retrieved 15 May 2017.
- ^ Center, PT. Indonesia News. "Pelanggan Telkomsel Membludak, Jumlah BTS Digenjot". inilahcom. Retrieved 25 July 2018.