The top 11 Android secret security code you need to know

Android is the most popular mobile operating system in the world today, powering more than 2.5 billion devices.Also, if you’ve been using An Android device for a while, you probably already know the USSD code.USSD code, also known as “secret code”, is simply code used to unlock hidden actions in a smartphone.Unstructured Supplementary Service Data… Read more The top 11 Android secret security code you need to know

Attention | Communication big data travel card can be one click access

In public places such as airports and high-speed trains, when health codes and trip codes need to be checked at the same time, verification codes need to be sent when switching back and forth, causing traffic congestion and a large number of people stranded.Now this problem has finally been solved, we can obtain the travel… Read more Attention | Communication big data travel card can be one click access

Please be sure to protect your mobile phone verification code!

Verification code for payment to login to verification code to change a password to verification code……Captcha is everywhere in life watch out!Verification code can not be random!Do you know that every insignificant verification code will be related to your property security!Why are scammers always staring at your TEXT captcha?As we all know, the most critical… Read more Please be sure to protect your mobile phone verification code!