How to clean Android ....

PeterMikeWarden · Jun 12, 2020

The question sounds stupid?
Somehow.
I was reading for hours now everything in the forum and couldn't find what I'm looking for.

What happend?

Samsung Tablet 10.1 T580 32GB, Android 8.1 (newest update), bought approx 1 year ago.
SD Card with 128GB.
And I get anoyd with permanent messages I have more as 82% RAM used.
I uninstalled like mad everything I found I don't need.
Cleaned again and again whatever I could and found and with every cleaner recommended.
At the end ...... 82% RAM is used.
Now I was pi..... sorry, not happy and I have done today a factory reset and installed everything new.
And ...... I checked it again not to say something wrong ..... the usage from my RAM is gone down from 82% to ..... 12% .......
I'm sitting here with a stupid face and don't know what to say.
I learned once if I uninstalled a apps it's clean gone.
Do I miss something?

How do you clean proper Android?

And why is there such a big difference between 82% and 12%?

How do I uninstall a app right?

Hadron · Jun 12, 2020

There is no such thing as a recommended cleaner app. People who understand how Android memory management works will tell you to uninstall all such things, forget about RAM usage and let the OS get on with managing things itself.

The way it works is that Android will keep frequently-used apps dormant in RAM. That way when you want to switch to them they will already be loaded, saving time and power. If you were to "clean" them all that happens is that the OS has to reload them later, which is slower and uses power. If the RAM is needed by the system or another app then the OS will free it up: by doing this yourself all you are achieving is leaving RAM empty and useless, plus using extra resources with the cleaner itself. You do not make the tablet faster, more stable or more efficient. In fact the "cleaner" app can come into conflict with the OS's own memory management, resulting in a less efficient system overall.

Android is supposed to keep the RAM quite full. That's by design. This isn't Windows 95, which is where the myths of it being a good thing to have lots of free RAM originate, and it's those myths that the developers of "cleaner" apps prey on to push their junkware. 80% RAM usage is normal and nothing to worry about. 12% is abnormal, but I imagine the system will soon sort that out.

Ditch the cleaner, and ignore whatever you are using to monitor RAM (which may be a system tool: Samsung stupidly installed a lot of crap derived from Cheetah Mobile's cleaner app a few years back - the same Cheetah Mobile who have since been banned from the Play Store. It's what happens when you let the marketing department decide what you include in your software).

Deleted User · Jun 12, 2020

NVM ^^ Wot he said was saided betterer.

=======
Hi I may have read that incorrectly, but are you confusing RAM with Storage / Rom.
This has been a long running topic that newbies to Android query, like myself once (and still).

Random* Access Memory is always kept partly full in Android, unlike Windows. Sorry I haven't a good link right now.

Is your issue to do with app and other Storage?

If not, that's a tablet from a few years ago it will have less RAM (2GB?) than current devices.

You don't need to clean Android, but it helps smooth running to Clear the Cache in Settings or better in Recovery Mode. Yes there are file / storage managers that can delete old or duplicate files.

Is it storage and less smooth performance that's the issue?

Hadron · Jun 12, 2020

Sorry to be pedantic, but RAM is actually "Random Access Memory".

It's a good point though, I never considered that storage might have been meant rather than RAM, and people do sometimes confuse them.

Incidentally cleaning the system cache via recovery is already an obsolete feature. An Android 8 tablet probably still does have that, but more recent devices don't (my Pixel 2, which originally came with Android 8, does not). Another few years and we'll have to drop this from the advice list

.

Deleted User · Jun 12, 2020

Hadron said:
Sorry to be pedantic, but RAM is actually "Random Access Memory".

It's a good point though, I never considered that storage might have been meant rather than RAM, and people do sometimes confuse them.

Incidentally cleaning the system cache via recovery is already an obsolete feature. An Android 8 tablet probably still does have that, but more recent devices don't (my Pixel 2, which originally came with Android 8, does not). Another few years and we'll have to drop this from the advice list .

Yes of course it's Random Access. I was on a choo choo and may have corrected myself eventually.

Yes too on Recovery Mode, I did it on older devices. I didn't look up the Samsung model but it may be on a later OS.
I was weaned on 2 Samsung's initially.

Hadron · Jun 12, 2020

Ah, I was weaned on HTC (though my one Samsung is still on Android 5.1, so I don't need to check whether that has the option).

svim · Jun 12, 2020

Just want to comment in agreement with @Hadron
You're supposed to see your tablet's RAM in the 82% usage, that's an indicator your tablet is functioning properly. It's why RAM exists in any computerized device.
And go into your Settings >> Apps menu, find and open the entry for that 'cleaner' app, tap on Force stop, then find and tap on Clear data'. Then if there's an Uninstall button tap on that; if it's a preinstalled app than tap on on the Disable button. You don't need that app and it's obviously just making things worse for you.

ThePhoneTechDoc · Jun 12, 2020

download antivirus with cleaner app example:cm security 2020...this app can clean your android of virus,junks,boost memory and more

Davdi · Jun 13, 2020

There's really no point in 'Anti Virus' apps or memory manager/junk cleaners on android. See 'Hadron's posts above.

Hadron · Jun 13, 2020

ThePhoneTechDoc said:
download antivirus with cleaner app example:cm security 2020...this app can clean your android of virus,junks,boost memory and more

Cheetah Mobile, the original developers of "CM" apps, were banned from the Play Store for fraud, though anyone who knew anything about the company had been warning people not to use their apps for years before then, based on their basic business model of selling their users' data as well as previous fraudulent behavior.

There are now a number of apps using the CM brand in the Play Store, all allegedly from different developers. Whether these are people hoping to pick up CM users or are CM themselves pretending to be a group of independent developers I don't know, but either way I'd avoid them.

In short, whichever you are recommending I have to disagree with your advice. You don't want a "cleaner" app, and you definitely don't want any app with "CM" in the name.

mikedt · Jun 13, 2020

ThePhoneTechDoc said:
download antivirus with cleaner app example:cm security 2020...this app can clean your android of virus,junks,boost memory and more

"cm" meaning Cheetah Mobile. Well that won't clean your Android, in fact it will do quite the opposite, and will install more junk, spyware, and adware,

Deleted User · Jun 13, 2020

RIP again member Timothy Meador aka CrashDamage, who was the reason I had a look at Android Forums from AC. He couldn't stand CM either and gave great advice in general.

Dannydet · Jun 13, 2020

@ThePhoneTechDoc,
So far, you're batting 1000 in misleading information

PeterMikeWarden · Sep 6, 2020

That is possible right but .....
I recognised now also a few times if I install a App and uninstall it the app is gone but if I look with a file explorer in my phone the folders are still there?
And also I had apps I deinstalled them, and when I installed them again all the datas and stuff is still there and apps get started like they were never gone?
If I uninstall a app, II wanted to have everything gone.
Also folders and datas from the app.
I had such a windows programm for my laptop that controlled the installation and deinstalled everything 100%.
Something like that is what I'm looking for with my android phone.

Hadron said:
There is no such thing as a recommended cleaner app. People who understand how Android memory management works will tell you to uninstall all such things, forget about RAM usage and let the OS get on with managing things itself.

The way it works is that Android will keep frequently-used apps dormant in RAM. That way when you want to switch to them they will already be loaded, saving time and power. If you were to "clean" them all that happens is that the OS has to reload them later, which is slower and uses power. If the RAM is needed by the system or another app then the OS will free it up: by doing this yourself all you are achieving is leaving RAM empty and useless, plus using extra resources with the cleaner itself. You do not make the tablet faster, more stable or more efficient. In fact the "cleaner" app can come into conflict with the OS's own memory management, resulting in a less efficient system overall.

Android is supposed to keep the RAM quite full. That's by design. This isn't Windows 95, which is where the myths of it being a good thing to have lots of free RAM originate, and it's those myths that the developers of "cleaner" apps prey on to push their junkware. 80% RAM usage is normal and nothing to worry about. 12% is abnormal, but I imagine the system will soon sort that out.

Ditch the cleaner, and ignore whatever you are using to monitor RAM (which may be a system tool: Samsung stupidly installed a lot of crap derived from Cheetah Mobile's cleaner app a few years back - the same Cheetah Mobile who have since been banned from the Play Store. It's what happens when you let the marketing department decide what you include in your software).

PeterMikeWarden · Sep 6, 2020

Multiple times I uninstalled apps and still have all the folder on my phone.
Or re-installed a app and have again all the datas like password or adjustments like it was never gone.
I don't like this.
If I uninstall a app I want to have it gone with everything.
All folders, all datas, everthing.
Many apps don't do that.
My windows laptop hat a programm to check every file that get installed and after uninstall a programm every file got de-installed again.
That is what I'm looking for to get rid of old rubbish.

svim said:
Just want to comment in agreement with @Hadron
You're supposed to see your tablet's RAM in the 82% usage, that's an indicator your tablet is functioning properly. It's why RAM exists in any computerized device.
And go into your Settings >> Apps menu, find and open the entry for that 'cleaner' app, tap on Force stop, then find and tap on Clear data'. Then if there's an Uninstall button tap on that; if it's a preinstalled app than tap on on the Disable button. You don't need that app and it's obviously just making things worse for you.

MrJavi · Sep 6, 2020

Try SD Maid

https://play.google.com/store/apps/details?id=eu.thedarken.sdm

It’s a general cleanup app with some options locked behind a premium paywall. The ability to clean up dead files, however, isn’t locked away.

Install and tap "CorpseFinder"

PeterMikeWarden · Sep 6, 2020

The issue is simple.

I install for example a game like "Little Soldier 2" and one day I uninstall it .... but ....
The game is gone but the folder is still there and different others folder from the game are still there too like in android/data.

If I uninstall a app then I want it have gone.
Complete.
My mobile is not a rubbish bin.

My tablet has 64gb and us from it 3gb for whatever (I mix up always ram and rom) and I have a 128 gb card in but that is still not a reason to fill all the gb with rubbish from old apps.

If I uninstall a app I want it gone.
Complete.

Madasa said:
NVM ^^ Wot he said was saided betterer.

=======
Hi I may have read that incorrectly, but are you confusing RAM with Storage / Rom.
This has been a long running topic that newbies to Android query, like myself once (and still).

Random* Access Memory is always kept partly full in Android, unlike Windows. Sorry I haven't a good link right now.

Is your issue to do with app and other Storage?

If not, that's a tablet from a few years ago it will have less RAM (2GB?) than current devices.

You don't need to clean Android, but it helps smooth running to Clear the Cache in Settings or better in Recovery Mode. Yes there are file / storage managers that can delete old or duplicate files.

Is it storage and less smooth performance that's the issue?

PeterMikeWarden · Sep 6, 2020

Possible we talk not about the same thing.

My problem is, I install a app and uninstall it and the programm is gone but the folders are still there.
I want to have everything away if I uninstall a app.
Doesn't matter it calls rom ram or rum.

svim said:
Just want to comment in agreement with @Hadron
You're supposed to see your tablet's RAM in the 82% usage, that's an indicator your tablet is functioning properly. It's why RAM exists in any computerized device.
And go into your Settings >> Apps menu, find and open the entry for that 'cleaner' app, tap on Force stop, then find and tap on Clear data'. Then if there's an Uninstall button tap on that; if it's a preinstalled app than tap on on the Disable button. You don't need that app and it's obviously just making things worse for you.

PeterMikeWarden · Sep 6, 2020

I tried it.
It was fast installed and started and .... ask for the permission from the sd card.
I gave the permission and came direct back to the point to give permission for the sd card and gave the permission and came back to the point to give permission for the sd card .... and and and .....
Funny, but not really a help .....

And after deinstalling the app I had the typical problem.
The app was "uninstalled" but I found still in a search a folder from it.

And that is what I'm looking for.
A clead deinstallation from apps.

MrJavi said:
Try SD Maid

https://play.google.com/store/apps/details?id=eu.thedarken.sdm

It’s a general cleanup app with some options locked behind a premium paywall. The ability to clean up dead files, however, isn’t locked away.

Install and tap "CorpseFinder"

MrJavi · Sep 6, 2020

PeterMikeWarden said:
I tried it.
It was fast installed and started and .... ask for the permission from the sd card.
I gave the permission and came direct back to the point to give permission for the sd card and gave the permission and came back to the point to give permission for the sd card .... and and and .....
Funny, but not really a help .....

You would have to manually run the setting "coups finder" within "SD Maid" as unfortunately it's not automatic The difference is instead of clearing data before unistalling each app with SD Maid you could unistall 3 apps and run "courps finder" instead. I am aware you would like the convince of unimstalling and all data deleted simultaneously.
With my rooted device I have run an exposed module and enable a setting to unistall an app but keep its data.

And after deinstalling the app I had the typical problem.
The app was "uninstalled" but I found still in a search a folder from it.

And that is what I'm looking for.
A clead deinstallation from apps.

Hadron · Sep 7, 2020

You describe two differen things.

1) Folders left behind in the user-accessible part of the storage after you uninstall an app. That does happen, and the best answer is to know which of your apps create such folders and delete them manually. But you can use an app like SD Maid, mentioned above, to try to identify orphaned folders like this.

2) App data being back when you restore an app. Are you certain you don't have Google's option to automatically back up such data turned on? Because if you have its' that, rather than the data remaining in your device's storage, that is behind this.

Personally I'm old school: I always use the system Settings to uninstall apps, never the Play Store, and I always clear the app's data manually before uninstalling. That way there is no possibility of anything being left. But as said above, these "private" data are different from the contents of any folders the app may create in the internal storage or on the SD card.

How to clean Android ....

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