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Understand the difference between the new version and the old version seen backstage.
The new version has more pages for recording screen anomalies.

In the app store, I inquired about the previous version of Xue Tong, and found that the background of the new version of Xue Tong has more functions than the old version to detect the split screen, clipboard and floating window of the mobile phone, as well as a table to record the abnormal times of the screen.

Xue Tong is a free application developed by Beijing Century Superstar Information Technology Development Co., Ltd. on 20 16, which integrates mobile teaching, mobile learning, mobile reading and mobile socialization. It only supports mobile terminals.