Way 1: Delete Android Text Messages Manually One by One
You can perform the SMS deletion on your Android phone directly. On the Android phone, enter the message screen by clicking the Messaging app. Tap the button next to the home button to show the message management menu, and then click the "Delete messages" button. Choose the Android messages you want to delete, and if you want to remove all, you can simply choose "Select all" and then click "Delete".
Pros: Totally free without the need of any third-party tool.
Cons: Can't delete a batch of text messages at one time, really time-consuming.
Way 2: Delete Multiple Text Messages from Android with Third-party Tool
If you find it's too slow to delete messages on Android manually like above, especially when you have hundreds and thousand of text messages stored on your phone, you can ask help from third-party software like the Coolmuster Android Assistant (Windows) or its Mac version of Coolmuster Android Assistant for Mac, which is specially designed for Android users to manage Android data on computer. No matter you are Windows or Mac owner, the software can help you finish downloading text messages from Android phone in batch quickly and easily. It is a full-featured Android manager to manage Android SMS, edit Android contacts, and backup Android data on computer.
Just download the right trial version of the Android Assistant on your PC or Mac and check the following guide to see what an easy task to use it to remove unwanted text messages from Android device. Let's start with the Windows version.
Step 1. Begin with running Android Assistant
After downloading and installing the recommended Android SMS deleting software, launch it and you are allowed to connect your Android phone to the PC via two ways: USB or WiFi. Both ways require you to enable the USB debugging on your Android device firstly. If you have already set it, you can skip to the next step.
Follow the below instruction to enable USB debugging:
1) For Android 2.3 or earlier: Enter "Settings" < Click "Applications" < Click "Development" < Check "USB debugging".
2) For Android 3.0 to 4.1: Enter "Settings" < Click "Developer options" < Check "USB debugging".
3) For Android 4.2 or newer: Enter "Settings" < Click "About Phone" < Tap "Build number" for several times until getting a note "You are under developer mode" < Back to "Settings" < Click "Developer options" < Check "USB debugging".
When the USB debugging is enabled, click "Allow" on your phone to allow the program super user authorization when an Superuser Request pops up.
Step 2: Delete text messages on Android mobile phone
In the left column, choose "SMS" to enter the SMS management window. Preview and select the text message conversations you want to erase by ticking the boxes in front of them. Or if you want to delete them all, you can directly tick the box next to "Content". After that, you can tap on the "Delete" button from top line to begin the SMS deletion.
Pros: Convenient to delete multiple text messages at one time.
Cons: Cost you a small amount of money.