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Phone is extremely slow and apps are nonresponsive


AC Question

I bought Asus zenfone max just 10 days ago and for the first week it worked fine but the last few days it became very slow and I get the message that apps (browser for example, even if I just scroll the page) are not responding. I tried cleaning it with Clean master, but it didn't help. Typing is also delayed. Apart from pre-installed apps, i downloaded only few basic apps like fb messenger and whatsapp. Clean master says I have 56% storage, 77% ram. Omg, even switching my keyboard for letters to numbers takes time.

Thank you in advance and sorry for my bad English.


Q&A Team
Jul 21, 2010
I'm going to assume you've tried rebooting your device? Sounds like you have a rogue app hogging your cpu cycles. Have you installed any apps recently? Try uninstalling apps one at a time and try to determine if that's the issue. Keep us posted.

Javier P

Feb 21, 2014
Also, do you use an SD card? If so, unmount it temporarily and see if it makes a difference. I'd recommend you to uninstall or disable Clean Master and any other app by Cheetah Mobile. They can do more harm than good and it's possible they are the source of some of your problems.