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1. The DO Cleaner can make your phone faster and moreFirst of all I have to do understood that the actual functions,uses,benefits,n safety'z of aap (s's),because I am not able to operate properly a smrt phones and app's,gradually i must learn more about the every thing about the smartphones ,app's ,& (all )etc ,sorry n thankz to the Google, mobile Samsung(products company) galaxy ,Please take care of all the way back-up, update's, n always be with me (us)🙏🙏🙌🙋 ♂️📲📞🙏🙏.The worstest ,app of all the time,I just like to highlight that how it forces one person to install it, which is not fare.i don't even have the mood to give this app one singistar because of its wreck less behaviour.Worst apps i have ever had... Just after I clean it stuck in the same page, when I restart it again it shows the same as before I clean.Almost done updating the system request.

2. You bleady ideat what are you thinking about yourself I can't download any movies, songs and games because of your bleady ads just don't disturb me while downloading movie or anything's you are telling that virus is available in my phone if I download the app you recomended the add is coming repeatedly then what I can do I am not able to download any movies.please just remove your stupid ads from Google and chrome.Its not working properly now a days..its just showing all has been optimized .

3. But still vibrating and reminding it to update the said App to clean and boost my phone??? See?? So badly but still i give 1 star.Reality is it just bothering your phone system just to show it ads...so sad 🙄Your add comes manier times on my phone while using chrome but this is just a stupid app.

4. It's a humble requestWhen I open crome browser it always shows to do update otherwise you phone will slow in working but when we go through update it shows only to open not to update why this ads are appearing for disturbing us.this is worst.

5. Even though it did not given any update option from last few days...I don't understand why it is not removing from chrome after installing this app.

6. Of junk files to clean but below the option for optimize is not working its just showing optimized.

7. Plz do something.) and fastest applications for cleaning your phone.

8. My Google Chrome is not opening because of this app.

9. Every times adds are coming and wasting my time so therefore I deleted this app.

10. It is good but I'm not like that it is not removing even after installing this 😭.

11. It doesn't remove anyway .I'm in trouble.

1. Fix DO Cleaner Not Working/Crashes/Errors/Unresponsive & Black/White screen:

1. Restart DO Cleaner: Restarting the app will resolve most errors.
2. Update the DO Cleaner App. Here is how:
   1. On Android goto PlayStore » Search for "DO Cleaner" » Open DO Cleaner - master phone cleaner, Android Booster » click "Update".
   2. On iPhone, goto AppStore » Your profile » Available Updates » Check for DO Cleaner » click "UPDATE".
3. Clear DO Cleaner - master phone cleaner, Android Booster app cache: Clearing cached data will force your app to retrieve the latest data directly from DO Cleaner servers.
   1. On Android, goto Settings » Apps » Select "DO Cleaner - master phone cleaner, Android Booster" » click Storage » click "Clear Cache".
4. Check DO Cleaner app permissions. If any of these permissions required to use your device's features are disenabled, DO Cleaner might not work.
5. Uninstall and reinstall DO Cleaner. If nothing else has worked, completely uninstall DO Cleaner then reinstall.
6. Restart your device. Last, restarting your device can often clear most problems causing DO Cleaner not working

2. Fix DO Cleaner Server issues & Internet Connection

1. Check network connection: An unstable Internet will make DO Cleaner be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
2. Disable VPN: VPN can cause connection errors and lead to DO Cleaner not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, DO Cleaner may not be able to connect to the Internet when running in the background.