There are four major mobile phone networks in Indonesia – Telkomsel, XL Axiata, Indosat Ooredoo, and Tri.
Telkomsel is the largest provider in the country, with around 63% market share. It uses the GSM 900 and 1800 networks.
XL Axiata is the second largest provider, with around 26% market share. It uses the GSM 900 and 1800 networks.
Indosat Ooredoo is the third largest provider, with around 10% market share. It uses the GSM 900 and 2100 networks.
Tri is …