Can an emergency number be called without a SIM?

Can an emergency number be called without a SIM?

Anil Kumar Anil Kumar

Anil Kumar

Lead Experience Engineer

发布日期: 2020年9月29日
+ 关注

Mobile phones have a ability to make a call based on any available network. Even it does not require any SIM. It searches network based on mobile antenna.

Most GSM mobile phones can dial emergency numbers even when the phone keyboard is locked. #mobile #security #educational

要查看或添加评论，请登录

Anil Kumar的更多文章

  • Difference between "Write off" & "Waive off"
    2021年1月1日

    Difference between "Write off" & "Waive off"

    Waive-off -The loan-taker is released from the burden of paying back the loan amount Write-off- In Simple word…

  • npm CLI v7.0.0
    2020年10月14日

    npm CLI v7.0.0

    If you would like to try it out now, you can install today by running npm i -g npm@7 in terminal npm 7 comes with…

  • Setup a Proxy for API Calls in Development(React)
    2020年8月15日

    Setup a Proxy for API Calls in Development(React)

    When we develop an React app which needs a back end to persist data, the back end is often served on another port of…

  • What is Plasma? - Donating Plasma
    2020年6月14日

    What is Plasma? - Donating Plasma

    What Is Plasma? Plasma is the largest part of your blood. It, makes around 55% of its overall content.

  • DarkMode in Phone/Laptop/WhatsApp
    2020年5月17日

    DarkMode in Phone/Laptop/WhatsApp

    Battery saving Dark mode apps can prolong the battery life of your smartphone. Google has confirmed that using dark…

  • Zoom video-conferencing app is not a safe
    2020年4月19日

    Zoom video-conferencing app is not a safe

    Ministry of Home Affairs (MHA) has warned the Zoom app users that the video-conferencing application is not safe for…

  • Aarogya Setu- Coronavirus Tracker App
    2020年4月12日

    Aarogya Setu- Coronavirus Tracker App

    Aarogya Setu, the government’s COVID Tracker App. It is helping the Government in Contact, Tracing and raising the…

  • useeffect vs uselayouteffect
    2020年4月1日

    useeffect vs uselayouteffect

    useLayoutEffect: If you need to mutate the DOM and/or DO need to perform measurements useEffect: If you don't need to…

  • Difference between RuPay Card, VISA Card and Master Card?
    2020年1月22日

    Difference between RuPay Card, VISA Card and Master Card?

    Rupay Card is an Indian domestic card launched by NPCI in 2012. Rupay Card was launched in the Indian payment system to…

  • Global Navigation Satellite Systems (GNSS)
    2019年12月8日

    Global Navigation Satellite Systems (GNSS)

    Dual frequency GNSS means that receiver tracks more than one radio signal from each satellites on different…

社区洞察

其他会员也浏览了