FAQs about Smartphones FAQs about Smartphones 1. Why does my phone become slower and slower as I use it? 2 2. Why does it take so long to boot up? 2 3. When does electricity use up the fastest? 2 4. How can I save electricity? 2 5. How do I copy MP3s, movies, etc. to the card? 2 6. Why is there no sound but an image when playing a video, or an image but no sound? 3 7. Why does it take several seconds to turn on the machine after playing the media? 3 8. Why is there no image when playing a video after installing TCPMP? 3 9. How do I set my favorite song as a ringtone? 3 10. What should I do if the touch screen doesn\'t click accurately? 3 11. What should I do if there is insufficient space when installing software? 4 12. Why does the installation of JAVA fail when it is placed in the T card? 4 13. Can text messages be stored on the SIM card by default? 4 14. Where can the recorded content be stored? 4 15. Can the phone book be managed by other software? Can it be exported for backup? 4 16. Why does the phone freeze when running downloaded third-party software? 4 17. When sending or receiving text messages, a ? appears. What should I do if restarting the phone does not solve the problem? 5 18. How do I set the phone to ring + vibrate? 5 19. I think the screen is too bright. Can I adjust the contrast and brightness? 5 20. How do I send files using Bluetooth? 5 21. How do I check the available space on my phone? 5 22. Is there a shutdown alarm? 5 23. How do I delete the software? 6 24. Can I play videos in rm format? 6 25. Why can\'t I see the specific sending and receiving time of the received text messages? 6 26. ...
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