11
votes
How do I delete a single calendar in Android (not just hide it)?
Since it seems there is no easy free way to do this, I created my own =)
Here is the app: Calendar Toolbox
If someone needs to create, delete, or update a local calendar, it will do it.
- 219
10
votes
Accepted
How to make a complete factory reset, without anyone being able to retrieve my data?
HOW DELETED DATA IS RECOVERED?
Data (un)deletion strongly depends on how a storage media (HDD, SSD, eMMC etc.), filesystem (NTFS, FAT32, ext4 etc.) and OS save and delete files.
File carving / ...
- 21.2k
6
votes
Can I delete an app I got on sale?
From play store support:
You can use apps you bought on Google Play on any Android device
without paying again. However, each device must have the same Google
Account on it.
You can:
...
- 2,549
5
votes
Accepted
Which Google apps can be deleted or disabled without harm to the system?
This very much depends on the device and the Android version running on it, plus where you've bought it – as the lot of pre-installed apps might differ based on that. I'm not sure about Gmail – but ...
- 91.3k
4
votes
Accepted
Can I Delete a WhatsApp Message After 7 Min. Deadline?
Yes, there is a simple way to trick WhatsApp into thinking that 7 min. haven't passed yet.
This would involve A few simple steps.
(Note: this will only work within 5 days of sending the message)
...
- 2,549
4
votes
How do I delete a single calendar in Android (not just hide it)?
Android devices have a local calendar storage database that is opaque and difficult to modify with app-level programmatic. You can, however, clear all local calendar data, which should remove the ...
- 41
3
votes
How to delete an app without deleting app data?
Assuming you are talking about apps you've installed yourself (and not about pre-installed apps), you can utilise adb for this. You need to know the app's package name first (the part shown in the ...
- 91.3k
3
votes
Accepted
Why deleting system files on a rooted Android says "device or resource is busy"?
If you are using Magisk modules, you must be trying to delete a bind mounted (1) directory. Enable Core Only Mode (no modules) in Magisk app and reboot. Then delete the stuff you want to.
- 21.2k
3
votes
Deleted thumbnail file but no space was freed
The .thumbnails folder has a file of the format .thumbdata4* whose size is shown to be really big usually. But in reality, it's not a big file and it's size is shown as such is because it's not a ...
- 141
3
votes
Accepted
Can I delete an app I got on sale?
Bochur's answer is correct. By way of additional information in your Play Store → Account → Order History , these apps will be shown as 0 price payment apps as the screenshot below shows - ...
- 41.3k
3
votes
How can I delete ALL alarms in the stock Clock app?
Incredibly, this is still an unaddressed issue in 2022.
I have noticed that it's possible to ask google assistant to delete all of your active alarms -- meaning the ones that are scheduled to ring.
So ...
- 31
3
votes
How can I secure-wipe free space?
The most reliable method is to manually copy large non-sensitive files (such as Linux images or the LibreOffice Installer Setup File) to the partition that you wish to erase the free space from, ...
- 31
3
votes
Accepted
With Android, does a factory reset truly reset the device to the same as it was when it left the factory (unlike an iPhone)?
It is the same as an iPhone I believe. A "factory reset" removes all information in the data and user partition, but leaves everything in the system and associated partitions as is. That ...
- 6,217
3
votes
Accepted
How to safely delete/destroy data from a bricked phone?
Unless you have a means to power the device on and wipe the data properly, you need to physically destroy it. The data lives inside an eMMC chip which is conceptually just a SD card soldered to the ...
2
votes
How can I delete synchronized Google data? (contacts, app data etc)
Back up your contacts on phone using any app from play store ( see Restore: Any Solution?)
(also note the contacts app has an export and import function built-in, so you won't necessarily need any 3rd ...
- 41.3k
2
votes
Accepted
Android phone automatically deletes photos?
Photos could be removed by a cloud sync/back up application.
One example is Google Photos. You may have chosen to remove photos which have already been backed up. You may not see them in the Gallery,...
- 136
2
votes
I deleted my Gmail account but I keep recieving the notification "Account Action Required" but I can't access the account since it's already deleted
Even if you deleted the account on Google, your phone is still trying to log into that account, and giving you the notification to tell you it's not working. You need to remove the account from your ...
- 35k
2
votes
How to delete a date and time tab in setting to prevent user from changing it?
Please understand my awkward English (I am writing with an English dictionary.)
As you can see comments on this question, I have solved this problem by FireLord's help, but it not perfect, because I ...
- 41
2
votes
"Clear data" does not clear login details
You probably also need to remove the program account details from Settings -> Accounts and Backup -> Accounts
It is probably there that the account details are being saved. Mainly to allow you to ...
- 462
2
votes
Unable to delete .apk file
You could try rebooting your phone and deleting the file. It's possible that a running app or service has that file handle open and won't let you delete it for that reason.
It's also possible that ...
- 201
2
votes
How can I delete Hotmail emails when using the Gmail app on my phone
What do you know... Shortly after posting this, I found a thread in the Gmail help forum with a solution that worked for me, by user Nico P.
Quoting here, for reference:
If you look at your ...
- 313
2
votes
Accepted
Will deleted images be safe in thumbnails folder?
Thumbnails are not really the exact images you deleted. They are just the cached images of extremely low quality which your phone used to show you images with more speed. Your phone save a Thumbnail ...
2
votes
Launcher or whatever to limit user actions (for elderly)
I am using Nova because my pocket was doing some of these things. The home screen gets locked. And requires a long press on the screen followed by a long press on a lock icon to unlock it. I would ...
- 2,364
1
vote
Data deleted after encryption - recoverable?
Answer is too late, but may be helpful for future visitors.
when I have data on my phone and factory-reset the phone, the data is unrecoverable, since a new key for the encryption is being created ...
- 21.2k
1
vote
Removing images created by Linux Deploy
I made it to delete the file using ES File explorer.
1
vote
How to restrict an app to make changes in a folder?
Restricting an app from writing storage in modern Android is just impossible. In specially Android 4.4.4 it was possible by the Application Permissions option that was in Settings. In the modern ...
- 719
1
vote
How to delete Alcatel File Manager?
I just found a post that said, "This issue is there in most of the cheap Chinese phones and tablets. These phones have a pre-installed trojan program which cannot be removed from the phone."
They ...
- 41
1
vote
A questions about "wipe" in CWM Recovery
I wonder What is the difference between a wipe and format In terms of safe deletion of data?
A wipe is, in any method, removes selected data from filesystem. It can be plain deletion or formatting ...
- 7,887
Only top scored, non community-wiki answers of a minimum length are eligible