デュアルSIMとeSIMでメイン番号維持。
主なポイント
- 電話がデュアルSIM対応か?
- メインSIMを通話用にアクティブ維持。
- eSIMをデータ用にインストール。
- メインSIMでデータローミング無効化。
- eSIMをデータ用デフォルトに。
結論
ほとんどの現代電話がデュアルSIM対応。
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