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
スマホ・アプリCan't do anything because your smartphone is full? 7 ways to free up space on your iPhone/Android right awayAre you having trouble with the “Storage is full” notification on your smartphone? From organizing photos, apps, and cache to using the cloud and using SD cards, we will explain 7 ways to increase free space on both iPhone and Android, in order of effectiveness.2026.02.24佐藤 理香
スマホ・アプリHow to listen to radio on an old smartphone that cannot install radiko | 5 alternative apps and tricks [2026 edition]Explains how to listen to the radio on an old smartphone where radiko cannot be installed. We will introduce how to check the recommended OS requirements, 5 alternative apps such as RAJIRU★RAJIRU and WIZ RADIO, and tricks to listen to music in your browser.2026.02.23佐藤 理香
スマホ・アプリDoes the app say "not supported" on your old smartphone? How to identify the cause and 5 remedies [Android]4 reasons why you can't install apps because Google Play says "Your device is not compatible with this version" and 5 solutions. Solve the problem of not being able to use LINE or radiko on a used or old Android smartphone.2026.02.23佐藤 理香
スマホ・アプリCan't use Suma Ticket/Electronic Ticket due to smartphone malfunction? Reissue procedure by platform and 3 preparations to make in advanceWe explain what to do when you can't display your electronic ticket (Smartphone, Law Ticket, TicketPla) due to a smartphone malfunction or model change, for each platform. We will also introduce you to identity verification on the day of admission and 3 things you should do in advance.2026.02.23佐藤 理香
スマホ・アプリCan't buy books from the Kindle app on your smartphone? How to display the purchase button and how to purchase changed due to the new smartphone law [2026 edition]Explains why you can't buy books from the Kindle app on your smartphone and how to use the "getbook" purchase button added under the new smartphone law that will come into effect in December 2025. We will introduce the purchase procedure and troubleshooting methods for both iPhone and Android.2026.02.22佐藤 理香
スマホ・アプリIs your smartphone broken and you can't receive the SMS verification code? What to do when you can't log in and 5 things to prepare in advanceWe will explain 5 ways to deal with the problem of not being able to log in because the SMS authentication code did not arrive when your smartphone is broken or lost, and 5 preventive measures to prevent this from happening again. We will introduce specific steps such as backup code, passkey, SIM replacement, etc.2026.02.22佐藤 理香
スマホ・アプリWhy does my smartphone freeze or operate slowly? 6 causes and solutions you can try now [iPhone/Android]There are six reasons why your smartphone freezes or runs slow, including insufficient storage, insufficient memory, and not updating the OS. We will explain in an easy-to-understand way how to deal with each iPhone and Android, as well as the criteria for deciding whether to initialize or replace the device.2026.02.21佐藤 理香
スマホ・アプリ8 reasons why you can't send or receive messages on LINE and solutions you can try now [iPhone/Android]We explain 8 causes and solutions for troubles where you can't send or receive messages on LINE for iPhone and Android. Covers common causes such as communication environment, app updates, reception refusal settings, and server failures.2026.02.21佐藤 理香
