How to solve anr caused by too large files read by Android?

This situation may be a system failure, and the solutions are: 1, backup important data and restore the factory settings of the mobile phone; 2. Brush the machine under the guidance of professionals: a. Open the "Brush Assistant" official website and download the brush assistant from the page. Install and start the brush assistant after downloading. B, connect the mobile phone to the computer with the original data cable of the mobile phone, and then wait for the brush assistant to finish the initialization. After the brush assistant successfully recognizes the mobile phone, he can click the "one-click brush" button to start the brush. Click the "Browse" button to select the previously downloaded brush package. If not, you can download the ROM package using the Brush Assistant Market. Select the model corresponding to the mobile phone and start downloading ROM. D, click "Next" button to back up the mobile phone data after selecting the brush package to avoid data loss. Before the backup starts, the brush assistant is allowed to read the SMS, contacts and other records in the mobile phone. Then click the "Brush Machine" button to start the backup brush machine and wait for the brush machine to be completed. 3. Contact the mobile phone repairer to solve the problem.