How to solve the problem of Apple's mobile phone flashing back after receiving SMS?

You try to enter (settings), enter (general), enter (restore), enter (restore keyboard dictionary), and then enter (restore dictionary).

There are the following methods:

First, download and install QQ address book:

1. Locate the "App Store" icon on the iPhone and click Open.

2. Click the "Search" button at the bottom, enter "QQ Address Book" in the search box, and click the "Search" button in the lower right corner. Find "QQ Address Book" in the search results and click "Free" to install.

3. Then enter the password of Apple ID and click OK.

Second, close iMessage and display the subject bar.

1, in order to ensure normal mass texting, we first turn off iMessage and display the subject bar in Settings-Info. First find the "Settings" icon on the iPhone, and click Enter.

2. Slide your finger up in the settings list, find the Info option, and then click Enter.

3. In the information settings, turn off the "iMessage and Show Subject Bar" options.