スマホ・アプリCan't take screenshots with your smartphone? Screen turns black? Reasons for prohibiting screenshots for each app and 5 solutions [iPhone/Android]If the screenshots on Netflix or banking apps turn black, it is not a malfunction of your smartphone. We will explain the reasons for prohibiting screenshots for each app (DRM/FLAG_SECURE) and 5 solutions for preserving screen information for iPhone and Android.2026.03.11ワカラン？編集部
スマホ・アプリCan't post or reply to X (Twitter) from your smartphone? 7 causes and solutions you can try now [iPhone/Android]Explains 7 reasons why you can't post or reply to X (formerly Twitter) from your smartphone and how to deal with it. Covers 7 patterns: server failure, communication environment, Android permission reset, cache, posting restrictions, account lock, and app bugs. Compatible with both iPhone and Android.2026.03.10ワカラン？編集部
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Bluetooth earphones disconnect or cannot connect? 7 causes and solutions you can try now [iPhone/Android]We explain 7 reasons why Bluetooth earphones cut out, can't connect, or can't hear in one ear, and how to deal with them for iPhone and Android. We will introduce methods you can try right away, such as re-pairing and resetting network settings.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Does your iPhone move on its own or respond even when you don't touch it? 6 causes of ghost touch and how to deal with it yourselfAn easy-to-understand explanation of 6 causes of ``ghost touch'' that causes your iPhone to move on its own (dirt, film, cracked screen, battery swelling, iOS bugs, charger) and 7 solutions you can try right away. We will also introduce the estimated cost and preventive measures if repairs are required.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
