2

I receive spam from "Bubbleroom" contact without contact details after pressing three dots regularly. I am thinking how you can block messages from "no phone number" and such cases. Those messages are just advertisements.

Fig. 1 Example 1, Fig. 2 Example 2 of spam messages

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It would be great to do it without 3rd party application. I know the thread Block SMS without number but it only offers 3rd party applications.

Phone: oneplus 3T
Android: 8.0 Oreo

  • 2
    which Android version? Is your device rooted – beeshyams Dec 21 '17 at 13:04
  • I'd also check with installed apps having the permission to write SMS (not necessarily send). Could be some "adware". – Izzy Dec 21 '17 at 16:51
  • Possible duplicate of Block SMS without number – Timothy Langer Dec 21 '17 at 17:57
  • @TimothyLanger Not, because I do not want to use 3rd party apps and do as much as possible without them. Please, read the body. – Léo Léopold Hertz 준영 Dec 21 '17 at 19:21
  • @LéoLéopoldHertz준영 you could e.g. use one of the Permission Checker (link goes to my site). Those should list all permissions – not just those Google deems the user worthy to see :) If you found some likely candidates, you could either uninstall them and see if the issue goes away – or first check e.g. at AppBrain what libraries they have and whether some ad libs are among them (if no libs are listed for an app, it might not yet have been scanned, though). – Izzy Dec 21 '17 at 20:12

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