What is a Flash SMS? SMS that automatically appears on mobile

When you send a Flash SMS , it is automatically displayed on the recipient’s phone screen (no need to click to open it). The message is “forced” until it is read, but not stored in the phone. This method may seem intrusive, but for the transmitter, playback is guaranteed. Note that the option Flash SMS is free and can be used occasionally or permanently.
Flash SMS service is known by the  acronym  ( Short Message Service) is sending a mini message that automatically appears on the mobile screen. The  SMS Flash  does not leave traces on laptops, it does not save in the phone memory or in the SIM card.
The SMS Service CLEVERSMS can send flash SMS on the mobile of your contacts with the automatic opening of the message.
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