Indonesia

QWhich travel eSIM brands actually ride Telkomsel in Indonesia?

AYonoSIM, Nomad, and Saily connect to Telkomsel in Indonesia; Saily's Indonesia page names Telkomsel 4G/5G as its only network. Holafly lists XL and Telkomsel, so which one you land on isn't guaranteed. Airalo's Indonesia plan lists Indosat Ooredoo as its primary network, with Telkomsel and Tri as alternatives (checked 3 November 2026), so whether you're on Telkomsel depends on which network your phone picks. If you're going to Nusa Penida, Lombok, or the Gilis, pick a brand with a confirmed Telkomsel connection.

QWhich Indonesian carrier is best for Bali and the islands?

ATelkomsel is Southeast Asia's largest carrier with by far the best geographical coverage, and the only network with reliable signal on smaller islands like Nusa Penida, Lombok, and the Gilis. For anything beyond beach clubs, choose a Telkomsel-backed eSIM.

QHow much data do I need for a week in Bali?

AA standard week of maps, Gojek/Grab, WhatsApp, and social fits 10–20 GB. A Telkomsel-backed 20 GB tourist plan runs about US$24; lighter users can pick a 10 GB plan for about US$13.

QCan I use my Bali eSIM as a hotspot?

AOn YonoSIM, yes: hotspot is allowed on every Indonesia plan. Saily says its Indonesia plans have no hotspot restrictions. Holafly's unlimited plans cap hotspot at 1 GB per day of the plan (7 GB on a 7-day plan). If you'll tether a laptop, check the hotspot rule before you check the price.

QIs there 5G in Bali in 2026?

A5G is available in Denpasar and major Indonesian cities like Jakarta on Telkomsel, fast enough to upload reels or join video calls. Most of Bali still runs on solid 4G/LTE at roughly 15–50 Mbps, which is plenty for travel use.

QDo I need to register a SIM in Indonesia?

APhysical tourist SIMs require passport registration on arrival, but eSIMs skip that entirely. Install and activate before your flight and your data works the moment you land in Denpasar — no kiosk, no paperwork.

QMy Bali eSIM won't connect. What should I check?

ACheck that the travel line is turned on and set as your mobile-data line, and that data roaming is on for that line. Then toggle airplane mode or restart the phone, and try picking Telkomsel manually in network selection. If it worked and then stopped, check your remaining data and expiry date before buying another plan.