Setting up your Cellesim eSIM for Istanbul is simple. Purchase your desired data plan online. You'll then receive an email containing a QR code. Scan this QR code with your phone's camera (usually via Settings > Mobile Data/Cellular > Add eSIM), follow the prompts, and your eSIM profile will be installed and ready to activate upon arrival in Turkey.
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How do I set up an eSIM for my trip to Istanbul before I leave?
Updated May 30, 2026
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