スマホ・アプリ5 causes of "Unable to connect to iCloud Private Relay from Safari" and solutions you can try now [iPhone/Mac]Explaining 5 causes and solutions when the "Unable to connect to iCloud Private Relay" error occurs in Safari. This can be resolved by reviewing Wi-Fi, VPN, and settings.2026.02.20佐藤 理香
スマホ・アプリCan't unlock your smartphone after your parent passes away? Correct way to deal with digital belongings and settings to be done before deathAfter a parent passes away, the number of problems such as not being able to unlock a smartphone because one does not know the passcode is rapidly increasing. We will explain how to deactivate iPhone and Android, and the Apple Legacy Contact and Google account deactivation management tools that you should set up before you die.2026.02.19佐藤 理香
スマホ・アプリCan't save videos on LINE? 5 causes and what to do when the storage period has expired [iPhone/Android]Explains the causes and solutions when videos received on LINE cannot be saved. Introducing solutions for five causes, including expired retention period, insufficient storage, and permission settings. Alternative methods after LINE Keep ends and how to use LYP Premium.2026.02.19佐藤 理香
スマホ・アプリAll my drafts on X (Twitter) disappeared after changing the model! Thorough explanation of causes and countermeasuresAll my drafts on X (Twitter) disappeared when I changed my smartphone model! Explains the reasons why it disappears, how to back it up, and how to use scheduled posts.2026.02.157 min佐藤 理香
スマホ・アプリHow to change iPhone charging sound to your favorite sound | Easy setting with shortcut appExplaining how to change your iPhone's charging sound to your favorite sound using the Shortcuts app. You can set your own charging sound, such as a voice of encouragement or sound effects.2026.02.15佐藤 理香
スマホ・アプリIs your Google Photos full? 5 ways to free up space5 things to do when your Google Photos is full. We've put together a list of methods you can try right away, including bulk deletion of unnecessary files, image quality conversion, organizing Gmail, and Google One pricing.2026.02.15佐藤 理香
スマホ・アプリWhat to do when you can't receive via AirDrop or the other party is not displayed [iPhone]Introducing 7 things to do when the other party is not displayed or cannot be received using AirDrop. You can try checking reception settings, Wi-Fi/Bluetooth, tethering, restarting, and resetting the network in order.2026.02.15佐藤 理香
スマホ・アプリCan't open iPhone photos with HEIC? Summary of how to convert to JPEGSolved the problem that HEIC files of photos taken with iPhone could not be opened. We have summarized how to save as JPEG in iPhone settings, how to automatically convert only when transferring, and how to convert using a PC or online tools.2026.02.15佐藤 理香