Jambo! Jakarta traffic is legendary, so live maps and ride apps are non-negotiable. Install a JamboSim eSIM before you fly and land at CGK already online.
Terminal Wi-Fi works in patches, so your own data is the safer bet for Grab or Gojek pickups.
The airport rail link reaches BNI City in about 45 minutes; DAMRI buses serve many districts.
CGK has Terminal 1, 2 and 3, linked by the free Skytrain. Local time is WIB (UTC+7).
Gojek and Grab both very strong
Yes, your phone joins an Indonesian network as soon as you land.
Yes, Indonesia plans cover Bali and the other islands.
Install before departure and activate on arrival.
