Yes, but the mobile network is often better and more secure.
WiFi is available in many hotels and restaurants, but the quality is not always that good.
The 3G and 4G network in Indonesia, on the other hand, is pretty good and often faster (and more secure) than the average WiFi connection.
Most phones are suitable for an eSIM card. With an eSIM you can use a reliable Indonesion network, without high costs and without changing your SIM-card. Just download an eSIM card and choose a package that fits your needs.
This way you can continue to use the internet cheaply and quickly as you are used to.
Nomad is a reliable provider which offers packages for many countries including Indonesia. You can easily install the eSIM card by using the app or a QR code.
Nomad’s motto is: No contract, no hidden fees, no unexpected roaming charges
The eSIM-card only offers an internet bundle. You cannot call with this eSIM card, but you can of course use the internet to make a call (for example Whatsapp).