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13 votes

How do I delete a single calendar in Android (not just hide it)?

i just ran into the same problem. I created a local calendar with an app and then removed the app before deleting the calendar. I could re-install the app and delete the calendar there. So for you as ...
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11 votes
Accepted

How to allow apps to delete SD card content

Since 4.4 the "WRITE_EXTERNAL_STORAGE" permission no longer grants WRITE access to the secondary(external) sdcard. (This is a simplified explanation, 4.4 did not force this change.) The necessary ...
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  • 251
10 votes
Accepted

How can I delete AVG Antivirus on my Xperia Z1?

You need to go into Settings > Security > Device administrators and uncheck the box next to the AVG app. You will then be able to uninstall the application normally.
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  • 8,699
10 votes
Accepted

What really happens during a factory reset? Does it securely erase all data?

A factory reset reformats the phone's user-data partition, but it's not a "secure" wipe; it doesn't overwrite everything with zeroes. If you want to be sure everything is erased, you can encrypt the ...
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  • 1,412
8 votes
Accepted

Is there a way to eliminate Google Play Books / Newsstand?

Since Android 4.0, it is possible to "disable" apps without root. However, not all apps can be "disabled": some (pre-installed) system-apps are protected against this. Still, it's always worth a try ...
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  • 88.9k
8 votes

Is there a way to delete the picture on hangouts so they cant see it? retrieve picture

Share and delete your photos from Hangouts messages and Google Voice MMS: You can delete photos that you sent through a Hangouts message or through a Google Voice multimedia message in Hangouts. ...
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  • 630
8 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 / ...
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  • 17.5k
7 votes

How do I delete a single calendar in Android (not just hide it)?

Since it seems there is no easy free way to to this, I created my own =) Here is the app: https://play.google.com/store/apps/details?id=com.whitebox.calendartoolbox If someone needs to create, delete, ...
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  • 179
6 votes

Will deleting my whatsapp account delete my messages from my contacts phone?

The messages you sent will still reside in the recipient's Whatsapp even if you delete your Whatsapp account.
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  • 61
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: ...
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  • 2,491
5 votes
Accepted

How to clear a Folder (e.g. Downloads) automatically on a regular/scheduled basis?

MacroDroid (free up to five macros) can do the job. The macro would be: Trigger: Day/Time Trigger → select all the days and choose the time for trigger activation Action: File Operation → ...
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  • 23.3k
4 votes

I Deleted files on internal storage but free space remains the same

Sometimes it may not reflect until restart. Moreover, thumbnails would be recreated once you open the images again. Perform a restart or reboot.
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4 votes
Accepted

I Deleted files on internal storage but free space remains the same

I found a way to release the memory: Connect you phone to a PC. Open the memory with the File Explorer. Either "Card" or "Phone" Open the file LOST.Dir Erase the files in that folder. This seems ...
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  • 56
4 votes

Is there a native way to find all the installed apps that have access to a phone feature?

In case, you ever decide to go with a command-line way, you can try my approach. Dependencies Requires adb to be setup in PC. Requires busybox binary. If the device is rooted, install Busybox app. ...
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  • 23.3k
4 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 ...
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  • 88.9k
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) ...
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  • 2,491
3 votes
Accepted

How to get a confirmation when deleting images?

I have a G4, and you're right. The Gallery app doesn't have a confirmation message, just a floating dialog that has an Undo button which disappears after a while. I'd recommend using another app ...
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  • 17.2k
3 votes

How do I delete a single calendar in Android (not just hide it)?

Android devices have 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 ...
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  • 31
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 - ...
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  • 37.7k
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 ...
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  • 88.9k
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 ...
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  • 5,816
2 votes

How do you delete thousands of text messages at once?

Here the step: Backup All SMS using "SMS Backup & Restore" app to your externalCard Your devices must be rooted Open root explorer, go to /data/data/com.android.providers.telephony/databeses/...
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2 votes

Is there a way to eliminate Google Play Books / Newsstand?

Yes. Your device need have root. Search for make root on my device (put here the device model). After having done root on your device, download Titanium Backup and write backup your apps and after ...
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2 votes

What will happen if I "Clear data" for the "Settings" app? (com.android.settings)

I did it a few days ago for the same problem (CyanogenMod M8 for i9100): I didn't lose anything; It fixes the problem =)
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  • 158
2 votes
Accepted

If I delete all photos on my phone, will contacts pictures also be deleted?

No. Contacts' pictures are kept separately from the original photos you added them from. They're stored with the contacts database, not with the photos on the SD card. Deleting photos from the Gallery ...
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  • 34.3k
2 votes

Touchwiz deleted Galaxy S Duos. Phone doesnt work beyond language setting

Grab yourself a stock-firmware from sammobile.com or from the xda forum. Install Odin v3.XX on your PC, start Odin and boot your phone into the download Mode ( Volume Down + Power ) Use Odin to flash ...
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  • 1,823
2 votes

How to clear an Android device without losing root?

Performing a factory reset doesn't make you lose root access, since the root handling app (SuperSU or KingUser or whatever) is installed as a system app and only the /data and /cache partitions are ...
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  • 1,917
2 votes
Accepted

Wipe /data/ but not /data/media/ through ADB shell or fastboot

Boot into your custom Recovery, mount the data partition either using command-line or via GUI, and choose any of the following method: (Note that TWRP already has the option to clear /data without ...
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  • 23.3k

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