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1. For me it is much easier to use a basic plug timer to charge 90 minutes before I wake up and have battery for the whole day.This is an amazing app I literally have no idea what my phone and I would do Without it it's free and doesn't waste time it gets on the job very quickly there is not a single app that could replace this one I think my phone agrees with me Download this app it saves a lot of time.

2. If u did the app turn on your charging will be very slowly less 1 percent will be for 20 mins Awesome bro Awesome 😀😊😊I have been using this apk for sometime and it functions well, but every time I plug or unplug my power this apk pops up a screen telling me unneeded information that I can't shut off.

3. I always have the app on Mega charge with the Optimising, which also shows the apps that I need to close down during the charging & also shows me how long it will be before my battery is full.

4. Alerts are fine but not sure why a battery cooler, fast charge & optimiser would need and ask for permissions modifying my system & app access.

5. There are additional options like disabling Bluetooth and other functions if during charging the phone is not being used.

6. I am an "EXTREMELY HAPPY LADY".😋I'm just learning about how simple apps like battery optimisers can turn out to be very useful indeed.

7. Then today I received a popup asking me to rate your app when I selected that I was unhappy I was only given the choice to correspond with email, I'm sure that this was an oversight on your part [wink].

8. It prolly cant work like that because that counts as internet but if the program could distinguish and execute, no more improvement would be needed i think.Like, WOW I cannot say that there is a better app out there that actually does work.

9. David LGBT (THE PROGRAM).Though it might save 5 to 10% of the battery I foud anoying the fact that it can change the brightness even I have setted not to.

10. I need 2 hours to full my battery but it takes 1 hour 30 mins .

11. Have tried it on Galaxy J7-06.This would have to be 1 of the 'BEST' apps that I have downloaded for charging my S8.

1. Fix Fast Charging Not Working/Crashes/Errors/Unresponsive & Black/White screen:

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

2. Fix Fast Charging Server issues & Internet Connection

1. Check network connection: An unstable Internet will make Fast Charging 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 Fast Charging not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, Fast Charging may not be able to connect to the Internet when running in the background.