Turn Off Adaptive Battery
We all want our batteries to last as long as possible. Adaptive Battery is meant to help with this, but it can actually cause issues with your text message notifications being delivered. It turns out that keeping this off will still result in decent battery life while allowing you to get your text messages. If you’re having issues with receiving text messages, try turning off Adaptive Battery. To do this, go to “Settings -> Battery” and turn off Adaptive Battery.
Deactivate iMessage
iMessage is a messaging system provided by Apple that only works with iOS devices. If you recently switched from an Apple device to an Android phone and aren’t receiving some text messages, then iMessage might be playing a role in this. If you forgot to turn off iMessage before making the switch to Android, then text messages from Apple devices to your Android phone might actually be sent to your iMessage account. To resolve this issue, place your sim card into an iPhone, go to Settings on the iPhone, followed by Messages, and then switch the iMessage toggle off. You should also switch the toggle next to Facetime to the off position.
Contacts May Be Unintentionally on Spam List
Spam is a real problem that Android has recognized. Both the Messaging and Phone apps in recent versions of Android have the ability to detect spam calls and messages. Make sure that none of your contacts have been relegated to your text message spam list. To check for this, open your Messages app and then open the“hamburger” menu. Select “Spam and blocked.” Check to see if any of your contacts have been included on the spam list. Select “Not spam” to ensure that these messages aren’t flagged as spam in the future. Hopefully the above methods will fix your Android phone not receiving text messages issue. If you have difficulty sending text messages instead, try to send it from your PC. Also, check out the ways to back up your SMS in Android.