スマホ・アプリHas the dark mode of X (Twitter) disappeared? Reasons why you can't switch within the app and how to deal with it using iPhone shortcutsExplains the reason why the dark mode switch disappeared with the iOS version X update in March 2026, and how to make only X dark using iPhone settings and shortcut automation.2026.03.06佐藤 理香
スマホ・アプリAre you still paying for a subscription that you don't use? How to check and cancel your subscription on iPhone/AndroidDeleting the app will not cancel your subscription. We will explain how to check your subscriptions on both iPhone and Android, the correct cancellation procedure, and tips to prevent unnecessary payments.2026.03.06佐藤 理香
スマホ・アプリCan't cancel sending on LINE? Changes to the 1-hour limit and what to do if it cannot be canceled [2026 edition]LINE's send cancellation time was shortened from 24 hours to 1 hour in November 2025. We will explain the 6 reasons why you cannot cancel, the difference from "deletion", how to cancel LYP Premium without notice in 7 days, and what to do if you are unable to cancel.2026.03.04佐藤 理香
スマホ・アプリSwitch can't connect to Wi-Fi/communication is unstable? 6 causes and solutions you can try right away [including wired connection method]An explanation for beginners of 6 reasons why Nintendo Switch won't connect to Wi-Fi or communication is unstable and how to deal with it. From changing DNS settings, switching frequency bands, improving NAT types, to how to establish a stable connection with a wired LAN adapter.2026.03.048 min佐藤 理香
スマホ・アプリDid all your apps disappear after updating your iPhone? iOS 26 age limit change may be the cause | 6 ways to restoreAll apps disappeared after updating to iOS 26! The cause may be the automatic change in age restriction rating. We will explain six restoration methods and future preventive measures in an easy-to-understand manner.2026.03.04佐藤 理香
スマホ・アプリServer disappeared/cannot be viewed on iPhone version of Discord? 5 causes and solutions you can try now [2026 edition]Explaining the causes and solutions for servers suddenly disappearing or becoming unviewable on the iPhone version of Discord. We will introduce five causes and specific solutions, including iOS content restrictions, age restriction server settings, and age verification policy changes in 2026.2026.03.03佐藤 理香
スマホ・アプリWhy can't I listen to radiko? Why do I get an error? 6 causes and solutions you can try now [iPhone/Android/PC]An easy-to-understand explanation of the 6 main reasons why you can't listen to the radiko app or errors occur, and how to deal with it for iPhone, Android, and PC. We will also introduce alternative methods in the event of a failure and how to tell if it's just you or a server failure.2026.03.03佐藤 理香
スマホ・アプリIs the malware “Keenadu” mixed into cheap Android tablets? How to check the target model and what to do now [2026 edition]An issue where low-cost Android tablets were infected with the malware ``Keenadu'' from the factory. An easy-to-understand explanation of the list of target models (ALLDOCUBE, Headwolf, etc.), how to check for infection, why it won't disappear after initialization, and the correct solution.2026.03.01佐藤 理香
スマホ・アプリIs your smartphone charging port broken? 6 causes of not being able to charge/poor contact and how to deal with it yourself [iPhone/Android]Introducing 6 reasons why your smartphone's charging port (USB terminal) may be broken and not be able to charge or have poor contact, as well as solutions you can try on your own before sending it in for repair. We will explain everything from dust cleaning to first aid with wireless charging, and repair costs for iPhone and Android.2026.03.01佐藤 理香
スマホ・アプリHow to notify LINE of Google Calendar events | 3 alternatives after LINE Notify ends [2026 version]LINE Notify will end in March 2025, and for those who can no longer notify LINE of their Google Calendar events. We will explain three alternatives: Messaging API + GAS, no-code tools (Yoom/Make), and Remain-kun in a way that even those with no programming knowledge can understand.2026.02.27佐藤 理香
スマホ・アプリWi-Fi won't connect or disconnects immediately after iPhone update? 6 causes and solutions you can try now [Compatible with iOS 26]Explaining 6 reasons why Wi-Fi won't connect or disconnects quickly after updating iOS on iPhone and how to deal with it. We will introduce you to the simplest methods, such as resetting network settings and deleting VPN.2026.02.26佐藤 理香
スマホ・アプリiPhone is hot! 6 causes of heat generation while charging/gaming and the correct way to cool down [Also some NG actions you should not do]Explains 6 reasons why your iPhone gets hot while charging or playing games, and the correct way to cool it down. We'll also introduce things you shouldn't do, such as putting it in the refrigerator or cooling it with water, as well as preventive measures to prevent it from getting hot in the first place.2026.02.26佐藤 理香
