Wi-Fi speed is slow ... the cause is too old router?Ask an expert about the tips for replacement (bizspa! Fresh) --Yahoo! News

Bizspa! Fresh

　"Cheap smartphone" that can reduce monthly smartphone charges cheaply.In recent years, the variety has increased, and should I use a cheap smartphone?Which career is right?I guess there are many people who are worried.This time, "Smartphone Manager" (@fitlife_jp), who has been engaged in mobile phones and optical lines for about 19 years and has sent about smartphones and online lines on his own YouTube channel, how to choose a cheap smartphone.Following the first part of the interview after hearing, I asked the second part in detail how to switch to a cheap smartphone and how to increase the WiFi speed.

What to do before switching to a cheap smartphone

――Please tell us if you need to change the model to a cheap smartphone. Smartphone manager: First of all, be sure to check if the terminal you are using can be used properly at the transfer destination. The iPhone is a terminal used worldwide, so it can be used in any career, but in the case of Android, some terminals cannot be used depending on their career. --I see. If you do not confirm that, there is a possibility that you will not be able to use your smartphone even if you switch with great effort. Smartphone manager: That's right. The other point is that the "SIM unlock" has been confirmed, which is common to the iPhone. SIM unlocking means eliminating the restrictions on available carriers. A smartphone that has unlocked the SIM lock will be available on any carrier line.

Be sure to check if you can unlock SIM

Bizspa! Fresh

―― If you do not unlock SIM, the line that can be used will still be limited.Smartphone manager: Yes.For example, if you buy a smartphone in DoCoMo, you can use only the SIM of the docomo line.By unlocking it, you can use it not only in docomo but also in other carriers.――Is you always unlock SIM?Smartphone Manager: Basically, if you are buying a terminal at once, you can unlock the SIM at any time.However, if you buy it in split and the terminal has not yet been paid, you may not be able to unlock the SIM.So be sure to check if you can unlock the SIM.

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