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144 Stars 72 Forks GNU General Public License v3.0 28 Commits 0 Opened issues


Silent Ping SMS for Android (does not require rooted device)

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Android Silent SMS Ping

Get it on F-Droid Download APK from GitHub

  • Does not require rooted device
  • SMS will not be delivered as standard SMS, target user will receive no visual notification about SMS being received


  • Payload looks like this:
    byte[]{0x0A, 0x06, 0x03, (byte) 0xB0, (byte) 0xAF, (byte) 0x82, 0x03, 0x06, 0x6A, 0x00, 0x05}
  • Full SMS PDU looks like this:
    03050020 01f61fe0c91246066833682000412 06050423f00000 0a0603b0af8203066a0005
    • Where first segment is SMSC (SMS Center), second is user-defined data SMS, last segment is payload specified in userspace
    • Using this payload, remote mobile station (baseband) will not deliver or correctly process the SMS, will only provide ACK (delivery report)


  • 3GPP 23.040 (originally GSM 03.40)
  • 3GPP 23.038 (originally GSM 03.38)


  • Compile it yourself and install on Android connected device
    • ./gradle clean installDebug


The project is licensed under the GNU General Public License version 3 (or newer)

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