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Fix “Data Plan Cannot be Added” on iPhone

Getting "This data plan cannot be added" when installing an eSIM on iPhone? Here are the causes and step-by-step fixes.

Last updated: June 2026 • Reviewed by Compare The Networks

The “This data plan can no longer be added to your iPhone” error usually means the eSIM profile has already been downloaded or there’s a conflict.

Causes

How to Fix

  1. Check if the eSIM is already installed — go to Settings > Mobile Service and look for the plan
  2. Remove unused eSIM profiles — if you have old/unused eSIMs, delete them to free space
  3. Update iOS — Settings > General > Software Update
  4. Reset network settings — Settings > General > Transfer or Reset > Reset > Reset Network Settings
  5. Contact your provider — ask them to reissue the eSIM QR code
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Compare The Networks Editorial Team

Free, impartial business telecoms comparison regulated by OFCOM. Over 15 years helping UK businesses find the best mobile, VoIP and connectivity deals.

Last verified: June 2026 • About usGet a free quote