For reliable mobile data in Istanbul, Cellesim offers excellent eSIM options. They typically partner with major Turkish carriers like Türk Telekom or Vodafone, ensuring strong 4G/5G coverage across popular areas like Sultanahmet, Beyoğlu, and Kadıköy. Look for plans with at least 5GB for a week-long trip to cover maps, social media, and communication.
Planning the trip? See our Istanbul eSIM plans, install in one tap before you fly, and land online. Free VPN included.
