eSIM for Indonesia. eSIM for Indonesia: Telkomsel and Indosat Ooredoo coverage, what a local SIM really costs, and how to keep your own number live in Bali. No roaming bill.
Indonesia is served by Telkomsel, Indosat Ooredoo, XL Axiata. Telkomsel LTE covers Bali comprehensively including Canggu, Uluwatu and the Ubud valley. 5G is live in Jakarta and parts of Bali. Coverage thins quickly on Nusa Penida and the Gili islands.
Prepaid registration requires your passport and is enforced at the point of sale. Telkomsel is the only network most people should consider outside Java, and it is also the most expensive.
Indonesia registers device IMEIs, and a foreign handset used on a local SIM beyond the allowed window can be blocked from local networks entirely. Travelers on a three-month Bali stay hit this. A line that routes through international partner networks rather than a local prepaid SIM does not run into the same wall.
Indonesia falls outside standard EU and UK roaming bundles. US day passes cover it at the usual daily rate, which for a month in Bali reaches several hundred dollars.
The alternative to both: Ringo is a global eSIM subscription that ports your existing phone number, so calls, SMS and two-factor codes keep working in Indonesia and 180+ other countries on one flat monthly plan.
Indonesia maintains a registry of device IMEIs permitted on its networks. Foreign phones running local SIMs are allowed for a limited window, after which the device can be blocked from connecting until the IMEI is registered and duty paid. It surprises long-stay visitors far more often than short-trip tourists.
Outside the Canggu and Seminyak strip, yes. Telkomsel is the only network with consistent reach into the interior, the north coast and the eastern islands. Indosat and XL are fine in Denpasar and price-competitive, and noticeably weaker elsewhere.
Many people do, though it is worth having a villa or coworking connection as the primary link and mobile as a backup. Power cuts in Bali are common enough that a charged phone with its own data is the thing that keeps a call alive.
Ringo Light Indonesia data eSIM, on sale now: 10 GB, 30 days €29.99; 20 GB, 30 days €44.99; Unlimited, 3 days €8.99; Unlimited, 7 days €17.99; Unlimited, 30 days €59.99. Works across Indonesia. 10 or 20 GB of data for 30 days at full speed with no daily cap, one payment. Unlimited data (fair use policy applies) for 3, 7 or 30 days. Installed once, next to your own SIM and number.
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