Learning how to register your phone’s IMEI in Bali Indonesia takes 15 minutes at the airport skip it and your local SIM card won’t work. If you plan to use a local SIM card in Bali, you need to register your phone’s IMEI in Indonesia before your trip or on arrival day at the airport. Indonesia requires all foreign phones to have an active IMEI registration to work on local networks. Skip this step and your phone stops working on Indonesian carriers. The rules differ based on how long you’re staying, so read the section that applies to your trip. This guide covers tourist registration, long-stay rules, Bali airport procedures, tax calculations, and what to do if you missed the