www.itmedia.co.jp/news/articles/2604/02/news133.html

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ドコモ、一部4G端末で通話・データ通信できず 「3G停波に伴う事象」 - ITmedia NEWS

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Apr 2, 2026, 01:39 PM

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https://www.itmedia.co.jp/news/articles/2604/02/news133.html

About this page

This page reports on a communication issue affecting certain NTT Docomo 4G devices following the 3G (FOMA) service termination on March 31st. Three models—P-smart Keitai, AQUOS Keitai, and Raku-raku Phone—are experiencing voice call and data transmission failures. These devices require VoLTE to be enabled, but users report inability to activate the setting or use communication services. Docomo recommends troubleshooting steps including device restart and SIM card reinsertion, with further assistance available at Docomo shops. The root cause remains under investigation.

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