もともとキャリアSIMで使用していた端末をU-mobileに変更して運用
一度キャリアSIMに戻そうとしたところ「データ通信機能を起動できませんでした」と表示され正しく通信ができない、、、

確認済み

U-mobile→Softbank

U-mobile→docomo

以下のような表示があった場合の対処法

今回の場合U-mobileのプロファイルが問題なので、削除するとOK

![](https://web.archive.org/web/20200924135429im_/https://i2.wp.com/sho- kun.com/wp- content/uploads/2019/08/img_6698.jpg?resize=139%2C300&ssl=1)![](https://web.archive.org/web/20200924135429im_/https://i2.wp.com/sho- kun.com/wp-content/uploads/2019/08/img_6698.jpg?resize=139%2C300&ssl=1)

目次

    1. 確認済み
  1. 設定
  2. 一般
  3. プロファイル
  4. U-mobile
  5. プロファイルを削除
  6. パスワード入力

設定

![](https://web.archive.org/web/20200924135429im_/https://i0.wp.com/sho- kun.com/wp- content/uploads/2019/08/img_6699.jpg?resize=139%2C300&ssl=1)![](https://web.archive.org/web/20200924135429im_/https://i0.wp.com/sho- kun.com/wp-content/uploads/2019/08/img_6699.jpg?resize=139%2C300&ssl=1)

一般

![](https://web.archive.org/web/20200924135429im_/https://i1.wp.com/sho- kun.com/wp- content/uploads/2019/08/img_6700.jpg?resize=139%2C300&ssl=1)![](https://web.archive.org/web/20200924135429im_/https://i1.wp.com/sho- kun.com/wp-content/uploads/2019/08/img_6700.jpg?resize=139%2C300&ssl=1)

プロファイル

![](https://web.archive.org/web/20200924135429im_/https://i0.wp.com/sho- kun.com/wp- content/uploads/2019/08/img_6701.jpg?resize=139%2C300&ssl=1)![](https://web.archive.org/web/20200924135429im_/https://i0.wp.com/sho- kun.com/wp-content/uploads/2019/08/img_6701.jpg?resize=139%2C300&ssl=1)

U-mobile

![](https://web.archive.org/web/20200924135429im_/https://i2.wp.com/sho- kun.com/wp- content/uploads/2019/08/img_6702.jpg?resize=139%2C300&ssl=1)![](https://web.archive.org/web/20200924135429im_/https://i2.wp.com/sho- kun.com/wp-content/uploads/2019/08/img_6702.jpg?resize=139%2C300&ssl=1)

プロファイルを削除

![](https://web.archive.org/web/20200924135429im_/https://i1.wp.com/sho- kun.com/wp- content/uploads/2019/08/img_6704.jpg?resize=139%2C300&ssl=1)![](https://web.archive.org/web/20200924135429im_/https://i1.wp.com/sho- kun.com/wp-content/uploads/2019/08/img_6704.jpg?resize=139%2C300&ssl=1)

パスワード入力

![](https://web.archive.org/web/20200924135429im_/https://i2.wp.com/sho- kun.com/wp- content/uploads/2019/08/img_6703.jpg?resize=139%2C300&ssl=1)![](https://web.archive.org/web/20200924135429im_/https://i2.wp.com/sho- kun.com/wp-content/uploads/2019/08/img_6703.jpg?resize=139%2C300&ssl=1)

これで僕の場合は正常に通信できました。